Xfinity dns server unavailable Those do ping fine. If you have questions about your services, we're here to answer them. *) as these addresses aren't routable over the There are several sorts of DNS servers, but our focus today is on DNS servers supplied by your internet service provider and those you may set up on your own. 8. " Need Help? Find Solutions, share knowledge and get answers from customers and experts. The one thing I am not happy with is they have me locked out on being able to choose my own DNS. 198 etc. and the Alternate DNS server to 8. I would like to look over your account and help in more detail. Now, select the Use the following DNS server addresses option. I got on my routers' web page and saw they have the DNS set to Comcast servers and there is I am pleased to report that as of 6:00 am EDT (at least until 6:45 am EDT ) the "service unavailable" responses from comcast's authenticated SMTP relay on port 587/TLS appears to be corrected. Dns server issues Instead, type "Comcast Business" there • - As you are typing a drop-down list appears. Tried route table prints to no avail. Set the Preferred DNS server to 8. DoH secures the connection between you and the DNS provider, but, in this case, Comcast is the DNS provider and, therefore, can still see the queries. 75? Discussion Can anyone explain this? Use Alternative DNS Servers Unless you’ve configured a third-party DNS server, your Windows PC uses your internet service provider’s default DNS servers. Domain Name System (DNS) registrations of SRV and domain controller (DC) locator A records (registered by Netlogon) and NS records (added by the authoritative DNS servers) in an Active Directory-integrated DNS zone for some DCs may not The Plex Media Server is smart software that makes playing Movies, TV Shows and other media on your computer simple. Set your DHCP leases very low, 5 minutes or so, until you figure this out, that way if you need to make a change the clients will check in much quicker. It's the only way to DNS configuration is always unavailable. 75 and 75. Sometimes, a simple restart can resolve the issue. 76 to the Xfinity Flex device and allowing it through the firewall to get to those DNS servers resolved the issue. F. First, Go to the Xfinity website and log in to your account. 74. You may need Whatever DNS servers are my ISP is using do not have the sophistication to detect the authentication issue, and they let the sleep mode requests pass through to Comcast. I’ve tried everything on the internet from resetting my router, flushing the DNS, using 1. be. 2 which are Cloudflare DNS servers. Select "Comcast Business" from that list • - An "Comcast Business" graphic replaces the "To:" line • Type your message in the text area near the bottom of the window • Press Enter to send it Xfinity Community Forum Need Help? Step 1: Restart Your Device. Try connecting this computer again. So my understanding is that Comcast uses its own DNS servers so when I set my pfSense WAN interface to DHCP so that I can obtain all of the relevant information. New. New DNS protocols now enable encryption of these DNS lookups between a user’s What DNS server does Xfinity use? There are many DNS servers that Xfinity use including 68. Common Reasons Why Your DNS Server May be Unavailable. Thursday, February 13th, 2025 5:16 AM. The only chance is to put the router in bridgemode and I don't want to do that with my setup. Find out how we send proactive text messages to customers in outages. The method above may not work for most versions on iPhone 6/6S Plus and other models of devices. Xfinity brand was This article covers how to use the network settings and Advanced Settings in Xfinity xFi using the Xfinity app. They will be able to poll the CMTS to see whether or not everything @user_md6z7f Thanks for coming to our community for help with your internet connection and proactively advising the bot recommended a tech. The xFi router/modem is setup to use Comcast/Xfinity DNS. Advantages are many including choosing your own DNS servers such as google, 4. 4; couldn't be happier. 12. 8 as well as providing QoS scheduling so you get to determine what activities get what share of the available bandwidth. Port 587: smtp. should help. The Domain Name System (DNS) translates the names you type in your browser address bar into the network address of a website. which i assured i did but played their games anyways. 8. Get app Get the Reddit app Log In Log in to Reddit. 1,1 as a primary DNS server on Bypass Comcast Activation Page Dns Servers Unavailable How to Bypass iPhone 6/6S Plus Activation Lock without Dial Pad. – Step by Step ️ How to change the DNS of the Xfinity router. Internet. Please take a look !!! -- Linux Enterprise Application-Linux server application information. Q&A. The most effective method for fixing the issue with the DNS server being unavailable is to flush it using Command Prompt. if it works then you can manually specify the DNS servers under your network settings for the adapter. 166 68. Comcast DNS Servers Comcast is one of the largest and most popular Welcome to the Xfinity community! Our community is your official source on Reddit for help with Xfinity services. Restart Your Device: The first step in troubleshooting DNS server not responding issues is to restart your device. 76. I had the same issue everybody else does with comcast's new modem/router combo. If these quick fixes did not solve the issue, let’s look into more complex troubleshooting options. " There seems to be a revolving number of email issues that continuously being unresolved, from accounts temporarily being unavailable to accounts disappearing abruptly and needing to be recovered on the back end to Alert messages that stop access to my emails. net email accounts are suddenly blocked for the first time ever (we've been send through Sendgrid for ten years). Flush your DNS cache: You can flush your DNS cache on your device or computer to help resolve any DNS-related C omcast is the largest home Internet service provider in the United States, providing cable television, broadband Internet, and telephone service to both residential and commercial customers. I've tried all the above steps listed by Edg-R. From other source IPs, I get as far as EHLO, but immediately get "421 Service unavailable; closing control channel" back from the server. 51 -> FWIW, I've use the default Comcast DNS servers for years and have had no issues. These may Significantly, now the IPv4 DNS server addresses (1. Xfinity DNS trouble . 13 (made up). I checked my firewall settings and found that as a DHCP client it received new DNS servers: 162. There a couple of reasons this could happen, DNS server is overloaded and could not respond, The load balancers have a configuration issue, there is an issue with the load balancers, The timeout setting on the DNS server does not have the proper Hi we are xfinity customers we have been with xfintiy for 20 years and we have a white xfinity modem/router at our house and I am trying to change the dns server 1 ip address and the dns server 2 ip address on the admin tool site which for xfinity i believe is 10. 4) as an alternative to your ISP's DNS servers. Master configuration file named. 1 Message. resomta-a1p-077245. r/Comcast_Xfinity A chip A close button. 0. I have Xfinity wifi and the router settings are hard to find sometimes. xfinity. Then Look for the “Network Settings” or “Advanced Settings” option. Resort to Google’s DNS Servers. 1), but then you have to ask Comcast, send my traffic to 10. 75. io View all United States of America DNS Servers Support Me If you find this service useful for checking DNS propagation, please consider donating to help pay hosting costs and keeping the site up to date. 8 and hit enter then try again. From some source IPs, the connection is refused outright. if not type in server 8. I have a Pixel 4 running Android 13. For a cursory Google search, it seems that DNS issues are a common problem with Comcast, but it isn't clear to me if I am experiencing the same problem as most (which seem to be To be clear, the MG8702 is acting as a DHCP server. You use a different DNS server like cloudflare (1. Perfect to run on a Raspberry Pi or a local server. " I have also tried connecting the laptop manually via the system properties dialogue, but I get "The specified domain either does not exist or could not be contacted. same issue. fyrebyrds76. Once Run a test to 75. Both times I can connect to their wifi with my laptop but not my telephone. Click on the Start button in My power went out for about 2 mins and since then my router has been saying that I can’t connect to the internet due to DNS server being unavailable. It is happening multiple times a day over the last several weeks, preventing me from using my email account until the server apparently becomes available again and the message disappears. 1 Find outage information for Xfinity Internet, TV, & phone services in your area. I also suspect Comcast hiding a serious problem with their DNS servers, when trying to open any new site it oftens takes forever and I also see 'site If the Comcast DNS servers are unresponsive, try configuring on your local PC some 3rd pary external DNS servers like Googles 8. They can also see ipv6 dns servers and settings I've used xfinity for 6 years and always had ipv6 connectivity. When I run diagnostics, "Your DNS server might be unavailable". Offers. net regardless of how you get your internet. For details, refer to the following section. By changing your DNS settings on your device, you can easily switch to a new DNS server and enjoy a faster, more secure, and more customizable This certificate was issued from register. db "; Statistics-file "da Learn how to determine Xfinity service availability at your address. 25. net resomta-a1p-077245. Try restarting your device and see if the issue persists. ; In this section, You can enter the DNS servers you prefer. Save your settings, then restart your browser. 1 DNS addresses: For IPv4: 1. Controversial. which Comcast already knows is google. The only changes I made to my own local configuration were: intermittently; the root cause appeared to be use of 1. Powered by a worldwide community of tinkerers and DIY enthusiasts. g. I've been on Xfinity for years now, using my own modem, and separate router. The verification process between the MAIL app on the iPhone & the Comcast email server should connect now. net Excessive failed authentication, ESMTP server temporarily not available. Is their anyway I can bypass this through dns tunneling or dnscrypt. I was a bit confused by the Xfinity employee's comments about the issue being traced back to a specific private address (e. com and see if it resolves the hostname. A VPN is the only way, If and only if you use it appropriately. The issue I receive is no response from the DNS server. Primary DNS IP: 68. Original KB number: 267855 Applies to: Supported versions of Windows Server Symptoms. 1. The server is temporarily unable to service your request. So, you navigate to 192. Switching to Cloudlfare's DNS servers have solved a lot of problems I use to have with xfinity service back in the day. I only use my desktop for sending/receiving e-mails through Comcast. 178 68. 134 68. 76, which are the Xfinity DNS servers, and also static which is 1. they Does anyone have the address for the Xfinity DNS server? Skip to main content. The phone did not get rebooted since my original problem In the background they reboot my model 3 times (mind you this is happening for 50+ other comcast users that use my server). 1) and it is very fast. Sign in. Google’s DNS servers are free and, although slow at times, they are a great temporary solution for this issue. 145. The server is unavailable. Xfinity Community Forum. Depending on who you talk to in support their reasoning varies from security concerns to Xfinity is the trade name of Comcast Cable Communications, LLC, a subsidiary of Comcast Corporation, used to market consumer cable television, internet, telephone, and wireless services provided by the company. Can anyone help me change my dns server or fix my current one? For starters, your comcast isn't handing out a DNS server, unless I am missing something. In order to access them, you’re going to have to do a bit of legwork, but don’t All emails from our server to our clients with comcast. I have seen this issue in the forums, but never a solution. Support. I've tried it both ways, set to get the DNS servers from the WAN (Obtain from MSO) where it gets 75. Does Xfinity have a DNS server? Yes, the DNS server makes it easy for you to reach websites by easily converting a name into an IP address. Get status information for devices & tips on troubleshooting. 87. 75. 8) show up in the the iPhone 12, iOS 15. Top. on their end, my router is offline. My internet stopped working and when I troubleshooted it the windows troubleshooter said my dns server was unavailable. 4. When I try to connect a laptop to my Server 2016 Essentials domain it fails and says "cannot connect this computer to the network. 130 68. net does some weird things here. Available for free at home-assistant. You will find tons of threads with DNS servers listed. Hey everyone, I finally got my pi connected to my internet and got the pi hole software up and running but I cannot change my dns server with xfinity as my isp. Old. com, or the Outage Map. 8 8. com. 168. · actions · 2003-Dec-8 11:58 pm · Write down any existing DNS server entries for future reference. No matter where I went with SSL, I encountered this. Server message "Account is temporarily unavailable. Just curIous if folks on Xfinity internet have opted to move away from default DNS servers on their Comcast provided routers? I so any apprecieable difference noticed in latency, ping and speed consistency. Just as a warning, sometimes ISP fake a no response from Google DNS. Expand user menu Open settings menu. These servers de-prioritize ICMP traffic and will provide false-positives. The blacklist check (mxtoolbox)for our domain ppac. 1?. Stayed on Comcast tech support line for hours, nothing changed. First, check the external wiring and make sure all connections are tight and device or resource dns server is not responding "DNS server" problems are most often "lost connection to Comcast" problems. 76 are the ones I am given in Western PA. For IPv6: 2606:4700:4700::1111 and 2606:4700:4700::1001. let it sit for 10 minutes, and plug it all back in. Some of those To note, just because you have Comcast internet does not automatically mean you are using smtp. After some troubleshooting I discovered that OpenDNS, CloudFlare, and Level3 Unfortunately, Comcast Xfinity does not allow the DNS to be changed on their devices. *. Pretty dumb Xfintiy requires creating security holes in your network for this device to function. 102 Secondary DNS IP: 68. 1, 8. This has been extremely frustrating!!! I am dead in the water Check for potential outages in your area that may be affecting your Xfinity Internet, TV, or phone services. 75 75. New comments cannot be posted and votes cannot be cast. Xfinity For full functionality of this site it is necessary to enable JavaScript. Are you connecting via Wifi or Ethernet? If An odd message in the modem log at 00:01 (Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out) but When the internet is not able to combat the DNS server of the device you are using, you are likely to come across the “DNS Server Is Not Responding” or “Your computer After some troubleshooting I discovered that OpenDNS, CloudFlare, and Level3 (the only three I tested) DNS servers could no longer resolve any names. 75, 75. I have deleted and reentered the account, but it can't even connect to the server to verify the information; it just says "Comcast is not available. Run a test to your modem/gateway's external IP address while on your network. 4 and 4. . google reset windows 10 winsock. pfSense then populates with the correct DNS (I think it Many problems can cause your DNS servers to go down, and other issues could simply prevent your PC from connecting to your specific DNS servers. Why would a modem that has worked fine forever suddenly start getting a DNS server of 162. Replace those addresses with the 1. Open comment sort options. 1; If a server is unavailable, DNS will automatically For some reason this problem is restricted to the 12 Max; I also have Comcast email set up through the iOS app on my iPad Air 3, and that is able to sync. 76 that are failing and the rest of the internet is working fine. You can either set the DNS server on the device itself, or configure a DNS server on a device on the network, and point So now Comcast always blocks port 25 for security reasons. Whereas in the other post, this seemed to stop working for specific periods of time until the "block" was removed on Xfinity/Comcast servers at a specific time. 75 / 75. You cannot modify the DHCP provided DNS Popular alternative DNS servers, such as Google Public DNS, OpenDNS, Cloudflare DNS, and Quad9, offer users a range of features to improve their internet experience and protect their privacy online. 75 & 75. 76 or other Comcast DNS server. Log In / Sign Up; Advertise on Reddit; Shop Collectible Avatars; Get the Reddit app Scan this QR code to download the app now Which is where I ran into the "Comcast currently unavailable" issue. 1 and 1. I have been running cloud flares DNS servers since they were announced. You’re all set! Your device now has faster, more private DNS servers ️ ️ Welcome to the Xfinity community! Our community is your official source on Reddit for help with Xfinity services. 2 and 1. Google 8. Having to explain that it's only 75. Consider switching to public DNS servers such as Google DNS and OpenDNS. You can also use Without a functional DNS server, many online services would be difficult or impossible to access. 1 and manually setting my IP I have been facing a lot of intermittent internet connection drop issues with Xfinity recently. I've used xfinity for 6 years and always had ipv6 connectivity. if not you can open a command prompt and type in nslookup. " I DNS-IP von Comcast Xfinity Vereinigte Staaten DNS-Servern finden Indem Sie auf "Akzeptieren" klicken oder unsere Website weiter nutzen, erklären Sie sich mit den Datenschutzbestimmungen unserer Website einverstanden Akzeptieren Comcast (Xfinity) has their DNS servers hardcoded into their gateways, and denys any 3rd party dns server requests and redirects traffic to their servers. Ditto with comcast, slow DNS to timeouts. Comcast cable internet dns servers are as follows: National DNS Server IP Address. I have been with Cloudflare for over a year (1. 4 are two dns servers run by Welcome to the Xfinity community! Our community is your official source on Reddit for help with Xfinity services. 6. FWIW, per the router diagnostics page the automatic DNS servers appear to be (75. Pull up the Run dialog by simultaneously pressing Learn how to check for Xfinity service outages using the Xfinity app, xfinity. ; Then Select the “DNS Settings” tab. Google public DNS If you're experiencing issues with your Xfinity WiFi connection and suspect that the DNS is not refreshing, you're in the right place. 72. Once done, you are longing to find out what your friends are doing. Best. Cloudflare 1. 76), which I assume are Comcast servers. 1/1. The admin console on the router won't allow you to change them. 75 with 8. Now let’s see the best free DNS servers for streaming in 2022. 85. 8 and try steps 4 and 5 again replacing 75. 21. Yes, Comcast Xfinity has a DNS Just type DNS in the search box at the top right of the comcast forum page. ". The message that I get on my phone is this: Service Unavailable-DNS failure. I have screenshots. Can someone please tell me what I'm supposed to do here? Share Sort by: Best. Better, worse or same ? Thanks Archived post. Your Home Network. (its Co-Ax). If you have You can use Google's public DNS servers (8. 2. Then, Navigate to the “Gateway” or “Router” section. I have stayed at 2 different Marriott hotels twice in the last couple of weeks. comcast. I have no other devices that are connected to this e-mail account. Suddenly, at 7:00 pm EST this evening, they were accepted by the Comcast server and sent to their destination. Not really a question, but an observation worth sharing. When they were not present, only the IPv6 DNS server addresses were displayed. I access my account directly via xfinity. Can you please click the Direct Message icon at the top right of the page, click on the pen and pad icon, enter Xfinity Support in the "To" section of the chat, I experience this 5-6 times a day. 150. 182, 68. I did reboot the phone earlier yesterday in an attempt to fix the problem, but that had no effect. For me, the connection becomes completely unreliable from 11am to late evening(6pm approx). live shows no blacklists, and our server authentication with Sendgrid all shows as verified and authenticated (. 11. once it opens type in Google. About 5 months ago I got a new router and used the same settings for ipv6 that my last router used. Nothing locked down or unavailable here In this article. But I'm not getting ipv6 - all my You can change your DNS servers from the Network Manager on your OS. Of course, DNS isn't the only way ISPs track you. , 192. 10. Now you should be able to use 3rd party DNS servers if you so choose because Comcasts "Broadband disclosure" states: Hello. Welcome to the Xfinity community! Our community is your official source on Reddit for help with Xfinity services. Unfortunately, as things stand, you will have to forgo using VPN until a solution is found for the iPhone. This page is community-driven and not run by or affiliated with Plex, Inc. so i call Comcast (joy) and get "tech support" and they decide i didnt unplug it power cycle it. Suppose you want to purchase hand towels from your favorite e-commerce store, so you visit 198. I'm able to get an IP address however, it's a /22 address that doesn't match my home IP (which makes sense because it's a /22). sys. In this article, we'll cover the key concepts related to DNS and Xfinity WiFi, as well as I'm going to escalate your issue to the Comcast corporate employees that are available to these boards. conf Options { Query-source port 53; Query-source-v6 port 53; Directory "/var/named"; // the default Dump-file "data/cache_dump. Called Xfinity Tech Support. Best Free and Fastest DNS server for streaming in 2022. 51 instead of 75. To fix this you will have to do what opendns says to do with the dns addresses on the network connections of each computer and here is the kicker: You have to go to the advanced button and then the DNS tab inside the network connections and uncheck both check boxes I am repeatedly receiving a Server Unreachable message box while working in my Comcast email. 150 Select Your City / Search for jobs related to Dns server unavailable comcast or hire on the world's largest freelancing marketplace with 24m+ jobs. DNS server. I noticed that my public IP had changed drastically, after 5+ years of it varying very slightly. I live on the Central Coast of California, and the other day after an Xfinity outage my wife reported that some devices couldn’t access the internet. I have looked up guides on how to fix it, but I can't find a sollution that applies to me. I pinged those 2 IPs and switched my routers to 8. DNS Server Configuration Issues: Misspelled or Incorrect Server Information: Check if the DNS server’s IP address or hostname is correct in your network settings or configuration files Welcome to the Xfinity community! Our community is your official source on Reddit for help with Xfinity services. I used cmd of admin mode typed in ipconfig and got default gateway of 10. console says DNS issues, computer saying the DNS server is unavailable. 64. 8 If the link between the Wifi source and Comcast's network is broken you will indeed have "an issue with DNS resolution" because the equipment will not be able to reach the DNS If you are experiencing DNS server issues on Comcast Xfinity, there are several potential solutions. It's free to sign up and bid on jobs. Run the Windows Network Troubleshooter. net - its the settings you have to configure to use smtp. 8 and 8. w14b. 1 1. I can confirm handing out the Comcast public DNS servers 75. 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