Questions tagged [dns]

DNS is the Domain Name System, a hierarchical, distributed database to map various information together, such as hostnames to IP addresses. The name is also used as a synonym for nameservers, the specific servers delivering the DNS feature. This tag should be used for all issues about configuration of DNS systems or troubleshooting problems in names resolution.

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Dns, what happens if client and server are in the same network [closed]

How does packet travel between client and server, if they are on same network and client requests for example www.first.secound.com. ? Which information in header will change, and which are going to ...
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Trouble getting Google Domains subdomains to properly redirect to different ports

I recently registered a domain through Google Domains - www.2darkpark.net - and I'm having trouble trying to redirect subdomains to specific ports on the machine. Specifically, I want to have mc....
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Why letsencrypt certificate generation not done like domain verification done by GSuite?

I have used letsencrypt's certbot for creating certs for my domains. I have to download certbot and run in my machine and it gives a string to be placed in as dns record. I have to manually add the ...
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How do I check that a domain is available without triggering a grabber?

A few days ago, I checked whether a domain was available by tying the name in the web browser. Also host returned not found 3(NXDOMAIN) When I tried again today, some domain grabber had snatched it. ...
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Can Googlebot discover a new subdomain through a DNS CNAME chain?

I have a website - www.example.com - which is listed on Google, domain verified in Search Console, sitemaps submitted, canonical urls all in line. This is my only domain that is "out there" ...
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Understanding CNAME and NS in DNS

I'm trying to learn the different types in DNS (A, CNAME, NS etc). I do understand what they is used for, but the way I see it, CNAME could be used whenever NS is used, or am I wrong? For instance: (...
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Can DNS point to specific port?

I got virtual machine on some server and my URL is something like this. 111.11.11.111:8002 Can I get DNS who will point to specific port ? One more thing. If I cant do that, can my virtual ...
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Colliding record error when connecting Google App Engine with my subdomain via A, AAAA, and CNAME records

Our website is hosted with loopia at example.com, but we also have a webapp running on Google App Engine which we would like to run on subdomain.example.com. We also have a couple of other subdomains ...
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2answers
4k views

redirect www to non-www (CNAME needed?)

I want to redirect http://www.example.com to http://example.com. I would like to avoid duplicated content. Is 301 redirect in nginx sufficent? Is it needed for me to add a CNAME record? My concern ...
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813 views

Old registrar had DNSSEC enabled and after transferring, the new registrar doesn't support it. Now the site won't load

I made a domain transfer with DNSSEC enabled to an operator that does not support DNSSEC. The first operator has no option to disable DNSSEC, and I did not think about it anyway. And now I have a ...
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1answer
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How do I redirect traffic only if being accessed from a specific port?

My website, https://coolkids.gq, has a Minecraft server hosted on it as well as a web server. It hosts both Bedrock and Java versions of Minecraft (unrelated) and I’ve figured out how to do the Java ...
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Do I need SMTP or other any CNAME records after adding G Suite MX records?

I'm setting up G Suite and I'm adding its MX records to my DNS settings. Here are my current DNS records (default from my host provider): I will delete the MX 10 record and add the ones from G Suite,...
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“A” type DNS Record Not Propagating

I have a domain name with some existing sub-domains that work. I mean I can ping them and access them via https protocol. Now I want to add another one and it does not propagate, meaning I cannot ping ...
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1answer
19 views

Dynamically assign a synthetic record to Google Domain

I own a domain on Google Domains. I want to create subdomains for my projects dynamically. For example: My Domain: https://adomain.example Subdomain: https://project-name.adomain.example Where ...
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1answer
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Transferred .com domain without first disabling DNSSEC - what can be done?

6 days ago, a .com domain was transferred to a new registrar, and the DNS servers changed. Only later did it transpire that the previous registrar had applied DNSSEC records. The domain is now not ...
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2answers
53 views

BIMI Validation failure

I have set up a BIMI record for my business, but when checking with 'https://www.mailkit.com/resources/bimi-inspector' I am told that my BIMI record is valid: default._bimi.domain.co.uk 3600 IN TXT "...
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Difference between CNAME and SUBDOMAIN

What is the difference between a CNAME and a Subdomain? I understand that the a cname (the left side of a domain) can point to the domain, so you can two different urls point to the same address, ie. ...
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1answer
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BIMI svg images need to be on a brand's domain?

I have just set up some domains for BIMI. dig TXT default._bimi.3dprint.it +short "v=BIMI1;l=https://3dprint.sirv.com/bimi/3dprint.svg" As you can see, the mail domain in this example ...
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My domain is redirecting to a different website

I have a pretty serious issue when i goto my "example.com" website it gets redirected to a random wordpress website, i was using a virtual server from a company a couple weeks ago and having the ...
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1answer
187 views

Twitter cannot fetch content from our domain hosted on an Azure CDN even though it can fetch from an equivalent azureedge.net URL

There is a website which is distributed via Azure CDN. The CDN endpoint was used as a destination of CNAME entry for www.< EXAMPLE >.com with usage of Google DNS. The www address to the website ...
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Set up SSL for AWS lightsail using Exchange 365 DNS

So I'm a pretty good programmer and a hack of a sys admin. I have a small WordPress sight we maintain that runs on AWS Lightsail. Our DNS is our Office 365 Exchange DNS which handles our domain for ...
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1answer
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Google sites + custom domain DNS configuration

I have a google site and I have a domain. The domain is registered with GoDaddy and points to DreamHost (I host other sites on this DH account so it is not dedicated for this site). Because it's a ...
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1answer
5k views

How to Configure Name Servers using Webmin in Unmanaged VPS on Centos

I want to configure my site's name servers and all related stuff. I'm not able to find any good documentation steps to do it straight-forwardly without understanding the natty-gritty of this. I wish I ...
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1answer
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Apache2 hosted site gives 400 Bad Request when browsing to http://www.example.org, but works perfectly on http://example.org

So i've got a website hosted at example.com and I want it to work with www.example.com. I've got a CNAME entry in my DNS for www pointing to example.com. My virtual host config looks like this: <...
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3answers
800 views

Mapping an amazon server to a domain name registered with name.com

I have an amazon S3 web server and a domain name registered in name.com (the name is sam-experiments.com). I am trying to have a static page hosted on the amazon web server to be displayed on http://...
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1answer
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Point Domain to Page (Permanent) [closed]

I have a sub-page on my site that can be access at example.com/bar. This page represents a special service on my website that has gathered a lot of attention on the internet. I don't want people to ...
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DNS Issue - dig shows SERVFAIL / nslookup shows server can't find

I have domain example.com, which is registered in czech domain provider and it's nameservers are linked to AWS Route53. I am hosting it from my S3 bucket. This setup recently stopped working and I ...
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3answers
4k views

Pointing subdomain to another server (Godaddy + CPanel)

I've researched and tried a lot of solutions online, but none seems to solve my problem, it seems something is missing. I have domain registered at Godaddy, let's call it domain "X" I have 2 servers ...
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1answer
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How does HTTP-based and HTML-based Domain Control Validation work?

DNS-based domain control validation works by proving that you control the domain name because you can modify the TXT record. You would not be able to do that without being able to access the DNS ...
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1answer
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I need help on how to change the domain name to IP address

I am fairly new to web development. Need help to change the domain name to IP address. Could anyone explain the steps in great detail on how to do this. Basically, I want my url to appear on google ...
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1answer
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Does it matter whether a CNAME is specified with fully qualified domian or not ( “www” vs “www.example.com”)?

On the internet I find examples of how CNAME should look like. And I find both: record which contains full name www.example.com, and here: Host | Type | Data -----------------+-------+---...
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Emails from my domain goest to spam - Split IP and suspicious server name

I have an issue with my VPS and Mails on OVH. I ordered a VPS and domain name for it. In Cpanel, I created a new user, added my domain name and some emails account. Website works fine and the same ...
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2answers
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Why can I access a website through IP address but not by it's domain name?

I'm using CentOS, LAMP and Wordpress.org I have added and edited a virtual host on the apache server. For servername I put the hostname that is output when I typed the command hostname. Now I'm ...
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1answer
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www.subdomain.example.com not working despite trying various DNS entries and Godaddy forwarding options, can only get an nginx error

I have a website that is online at the moment. For this website, I have a subdomain staging.example.com. I am using GoDaddy for domain hosting. My server is on an EC2 Linux instance with AWS. I have ...
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Must I delete old A records?

I am attempting to add a custom (Google) domain to a WebFlow website, and have added the specified A records to the Custom Resources on my google domain. Must I remove the old A records as well? I ...
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3answers
64 views

Link domain nameservers with VPS

I have bought a domain with online.az and I want to link it with my VPS from GoDaddy, The domain provider only allows you to add nameservers and does not allow you to add your server IP address. I ...
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4answers
688 views

Wildcard DNS record point to multiple servers

I would like to give my users their own subdomain like jack.example.com, james.example.com, and is using wildcard DNS record to do that. But now I would like to separate users into multiple servers, ...
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1answer
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How to redirect all (www).example.(com/net/org) to https://example.com

How do I setup any URL/URI for http(s)://(www).example.(com/net/org)/somepath to end up at the corresponding: https://example.com/somepath I'm guessing that the solution (if there is one), will ...
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Too Many Included SPF Lookups

I used a DNS lookup tool on my website and did an SPF record lookup as well and discovered that I have "too many included lookups." I understand the limit is 10, but it looks to me like I'm only using ...
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2answers
1k views

How does smart DNS proxy work?

I have been looking on the web, but there aren't a detailed explanation on how it works and not the concept of what it is for. There are really two things that I don't understand. How does it fake ...
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Problem with sub domain not being found a records have been created

I have hosting on hostinguk but I have setup a subdomain I have given it an A record for the domain which is https://api.roundtableweb.co.uk:444 But I am still getting a 404 not found I have setup ...
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5answers
16k views

TXT vs SPF record for Google servers SPF record, either or both?

According to Google’s documentation, https://support.google.com/a/bin/answer.py?hl=en&answer=178723 It clearly says Create a TXT record containing this text: v=spf1 include:_spf.google.com ~all ...
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1answer
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.cf domains (Freenom) stopped working for half users

I have an issue that affects my websites which use .cf domains: Since three days ago, my website visitors started complaining that the websites don't load on their devices. After doing a survey, about ...
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1answer
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Does number of nameservers affect seo?

My domain service provider requires at least 2 of nameservers (DNS), but I can provide 4 of them. Will that make any difference in SEO?
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1answer
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Why won't my site load unless it's using www?

My website will only load into the webpage if I use "www.". I'm using * on the dns source (stands for @ on hostway), so shouldn't it redirect all requests to the webpage? Idk, I'm a beginner, just ...
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1answer
86 views

SPF Record for Google Domains Email Forwarding

I've got a domain setup with Google Domains. I'm using CloudFlare for the name servers and I have the correct MX records setup (https://support.google.com/domains/answer/9428703) to point back to ...
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1answer
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DNS settings shared between Route53 and previous hosting provider

We have a company website at www.example.com and example.com which is hosted at a hosting provider - The NS records here are for the providers name server. Our API is accessible at api.example.com - ...
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2answers
3k views

Forwarding a subdomain to a Minecraft Server

I am trying to forward a subdomain to directly connect to a Minecraft server. The domain name is hosted at GoDaddy and the server requires the port at the end. These are the things I have tried so far:...
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0answers
20 views

Mailman AND external mail service

I have a virtual server (with a Plesk instance) and a domain, both from a hosting provider who also hosts an email service (on a central server) for the same domain (i.e. info@mydomain.example). I ...
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1answer
840 views

Goddady Domain delegated to wix: add subdomain to No-IP

I have purchased a domain in GoDaddy and delegated to my client's website created in Wix and is working OK. Now my client wants to add some subdomains that points to a local machine on his network ...

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