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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Can I use a reverse proxy service to route web requests to some other port than 80 on my home server to avoid breaking my ISP's ToS?

Is there a way to route all requests thru a proxy service, like Amazon Gateway, to specific ports on my home internet? This will increase security at my home and will allow me to operate with the ...
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How do I point a subdomain to a different nameserver use Google Domains?

I discovered this question: Can I use different nameservers for different subdomains? And I tried it out using Google domains. I currently have a site hosted with AWS. However, I'd like to use ...
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36 views

Point root domain to a subdomain of another site

How can I point my root domain example.com to a subdomain of another site subdomain.example2.com? he subdomain is wildcard subdomain. I have cPanel root server access. I just want to make it looks ...
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CloudFlare switching between non-fully-qualified and fully-qualified domain names; is this normal?

Over the past day or so, I've started seeing CloudFlare randomly oscillating its DNS responses between the FQDNs and non-FQDNs for my domain, as follows: "Question": [ { "name": "...
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Using Moss as a virtual sysadmin. Based on this image and text, is it creating DNS entries?

I've just set up a new site on a VPS using Moss as a virtual sysadmin. In Moss' control panel, I can see A and CNAME records. As an example, you can see them at the bottom of this image from their ...
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Foreign domain points to server and sends spam

I do have a really weird one. I am running a webhosting server that is being blocked by certain providers that use Cloudmark. I contacted the customer support and they got back with an email header ...
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Do empty subdomains hurt a domain's reputation for email deliverability or SEO?

If a company has a lot of old DNS entries for subdomains that point either nowhere (CNAMES that no longer resolve to anywhere) or at servers that are no longer online does that hurt the main domain's ...
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AWSDNS Load Balance cant send/receive mail out

I currently have my EC2 connected to mail.domail.com and configured A record to point EC2 ip, PTR record pointing at EC2 ip and i have a MX record for domain.com pointing at mail.domain.com, currently ...
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93 views

.htaccess to show a page from the main site on another domain

I have 2 x domain names https://www.example.com - This is my main site. http://www.example-liverpool.com This is my Liverpool sub website example.com/liverpool I've presently got URL forwarding ...
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396 views

How can I setup a DNS A record on CloudFlare for a Heroku website?

I bought a new domain and I'm try to setup the DNS records at CloudFlare so the new domain will point to Heroku. My website is hosted at Heroku. Where can I find the ipv4 address of my website? My ...
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Point second domain at website when only CloudFlare IPs have been white listed for first domain

I blocked the IP address of my website because I'm using CloudFlare whose IPs I've white listed. I have another domain which I want to point to my site. Besides an IP address is there anyway I can ...
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Migrate DNS from current host for multiple records

What is the best way to quickly update multiple client domain DNS and keep switchover downtime to a minimum? I am currently using vanity nameservers and glue record on my Primary domain, at the ...
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Propagation of NS records specified in Cloudflare

I own a domain, example.com. At my registrar, the NS records of my domain point to xxx.ns.cloudflare.com and yyy.ns.cloudflare.com. Now I would suppose that when I add NS records on Cloudflare (in the ...
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SEO - Search result listing shows up in a foreign language

Yesterday I moved our company's Wordpress site to a new server. Not long after, and perhaps only coincidentally, the search result for that site in Google started showing up with a Japanese name and ...
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My site is receiving DNS errors on Google Webmaster Tools, how can I solve this?

I have several irregular DNS errors on a subdomain of my site. On all my other subdomains, I have no issues (they have the same configuration) Just http://en-directo.frequence-radio.com suffers this ...
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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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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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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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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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Troubleshooting Cloudflare 301 Redirects

My client has a URL they want to entirely redirect to another site (301 redirect). This domain is purchased and managed through GoDaddy (unfortunately). After setting up the redirect, I was getting ...
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Should I have the same DNS entries with my domain registrar and on the hosting server?

I'm migrating away from shared hosting and had a question about configuring my new set-up. I've transferred the domain to Google Domains. I'm using their name servers. And, I've moved the DNS records ...
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How to have Nameserver records for a custom Nameserver, with said records on those nameservers

I've recently started hosting my own dns, I like being able to brand it on my own. The way I'm doing it right now, I still have the domain the nameservers are on hosted on external dns, so I can point ...
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Some users still see parked domain page three days after setting DNS records

It's been 3 days now and some users cannot connect to the website (they just see the generic Related Links domain page). MOST users can, but when I try on Verizon Wireless or AT&T Wireless, ...
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Does DNS works for 2 URLs which are pointed to 2 different ports

I do have a Qlik Nprinting application in Azure VM which has 2 web portals running on different ports. In our project, we have configured port numbers for web portals to 443 and 8443. URLs to access ...
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cPanel email not working

I have a domain registered with Dynadot, and hosting on GoDaddy. I'm using cloudflare as a CDN and I've added CNAME records for 'mail' and 'email' but emails aren't coming through to the addresses on ...
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Subdomain wildcard for development server under dev

I recently purchased a new domain i.e. mydomain.io which I'm planning to use for my brand new app. The app was designed to be multi-tenant meaning that each user account points to a different ...
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Old site being loaded on mobiles when on 4G connections

Have deployed a new website for a client to my server a few months ago. The ip address propagated and the new site can be viewed on pc and mobile when on the wifi. When people are not on the wifi, i.e....
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PLESK and DNS nameservers

I'm a bit confused about the setup and would like to ask if somebody could clarify it. I have inherited domain with PLESK panel. These are my DNS ns records: Right on top of the screenshot I can see ...
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DNS MX Entry Problem - Wrong Mailserver is used

There is a clients domain, let's name it www.client-xyz.example, which was hosted with a web space package on a web host. I created a new homepage which is located on my server and I pointed the A-...
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Correct MX Configuration for Cloudflare

I've always assumed that if I use an external nameserver (like Cloudflare) for a domain, then my local WHM nameserver is completely bypassed for that domain. Is this correct? I've always pointed MX ...
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189 views

My URL doesn't work, but Route 53 test says NOERROR

I've done a migration for my wordpress site from MediaTemple to AWS. I've got my Route 53 to point to the LoadBalancer that points my EC2 with the properly approved certificate. I created a Hosted ...
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487 views

CloudFront very slow TTFB after enabling HTTP/2

My site was running on HTTP/1.1 with CloudFront at front, Webpagetest reports the load time usually at 2 seconds. Yesterday I enabled HTTP/2 (and SSL) on CloudFront, hoping to see an improvement. The ...
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192 views

Setup Github pages with an ANAME record?

I want to set up my GitHub pages user page to use a custom apex domain and www subdomain, as described in the GitHub pages help. I have it working via A and CNAME records (see below), but GitHub ...
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120 views

Speed up DNS propagation time

I want customers who buy a domain and hosting services from me to be able to use their website right away and build in WordPress but they have to wait for their new domain to propagate. I don't want a ...
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1k views

How to redirect / forward a domain to a specific URL?

So, I tried looking around and haven't found the answer I was looking for. I wanted to ask if it's possible to redirect / forward a domain I bought to a specific URL from another website. So let's ...
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Use a custom domain instead of subdomain for a webapp that depends on the subdomain as a key

I have a cloud application with subdomain per customer on Domain B. customer1.B.com customer2.B.com Customer1 now wants to link to the application to use a subdomain of his own domain A. E.g. app.A....
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Web hosting at Hostingdude.com - Configuring Zone File Record

I registered an offsite Domain name 'pprs.org.pk' almost few weeks ago and added it to my account via 'add off-site DNS'. I followed the 'Add Off-Site DNS' guide available in 'Help Center' section ...
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No MX records?! Zone file issue. Shopfiy vs. self-hosted email

One of my hosting clients has a website: www.vincedevito.ca. Some time ago, he decided to use Shopify as his primary website, but I still host his email. Therefore, I set up a DNS Zone with GoDaddy. ...
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292 views

Determining DKIM Selector and Key Values for my domain

I have a client that is with 1&1 (yeah, I know). He's asked me to set up SPF and DKIM records for his domain. I am not experienced with email configuration (I'm just a lowly web developer) but I ...
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398 views

DNS redirect not working for some site visitors

I have a site hosted with VidaHost (www.thinkchecksubmit.org) on a webspace-only package, and a number of domain names registered with 1and1. The site is built on a Wordpress install with a custom ...
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171 views

User redirection not working with GoDaddy domain

I have a server (say server.js) which (at some point) should redirect the user to facebook.com like so: sub.domain.com/auth/with/facebook => facebook.com/API/authorize/.. The problem I am facing is ...
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1and1.com forward domain name to my sftp server

Hi we have a domain name mysite.net registered on 1and1.com. We also have an SFTP server set up. How do we set up DNS so the user can use mysite.net to access the SFTP server? Currently the DNS ...
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Using mod_rewrite to force users to use our caching proxy

During a recent audit we became aware of several users who have not set their DNS records to correctly point to our name servers. Since we don't control the domain names of our users directly, we're ...
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1answer
301 views

how to use a subdomain for a website when it has another SRV record on it

I am hosting a Mineraft server on the port 25601 and because I didn't want users to have to type the port in, I made a SRV record in my DNS settings so that minecraft.mydomain.com points to mydomain....
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Subdomains regarding name servers/domains

I know how to configure subdomains like sub.example.com on Apache etc. My question is, do I need to make any changes to the name servers/domain that is provided to me? Would it work the same as ...
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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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120 views

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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12 views

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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23 views

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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15 views

How can a server tell what user was supplied for a domain like <user>@example.com?

Obviously with email protocols, the main way as far as I'm aware that addresses in the form @example.com are used, the protocol can simply provide the user part of that domain as part of the ...