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Questions tagged [dns-servers]

Domain Name System Server is a server that queries and assigns human readable URL or IP address.

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129 votes
4 answers
176k views

Using multiple A-records for my domain - do web browsers ever try more than one?

If I add multiple A-records for my domain, they are returned in a round robin order by DNS servers. Example: 192.0.2.1 A example.com 192.0.2.2 A example.com 192.0.2.3 A example.com But how does web ...
Jonas's user avatar
  • 1,920
31 votes
2 answers
32k views

Can I use different nameservers for different subdomains?

Suppose I have example.com and the nameserver I'm using is the one from the hosting server where I'm hosting the main site, say mainhosting.com. Now suppose I add a new subdomain e.g. bla.example.com ...
RocketNuts's user avatar
30 votes
7 answers
9k views

Should I use a domain name registrar's free DNS hosting, or host DNS servers with another company?

Should I use my domain name registrar's free DNS hosting service, or host DNS servers with another company? (or both?) What are some advantages to using a DNS hosting company separate from the domain ...
Chris W. Rea's user avatar
  • 3,763
21 votes
1 answer
16k views

CNAME: does a cname change the url that the browser displays?

I have a web site www.somewhere.com and I want the alias fr.somewhere.com. I set up a CNAME record for www.somewhere.com alias fr.somewhere.com. When a user types in http://fr.somewhere.com in their ...
gangelo's user avatar
  • 335
17 votes
2 answers
17k views

What is the maximum number of DNS A-records you can use on one domain?

Is it correct that there is no limit to how many DNS A records can be set on a domain? My boss asked me this and it made me curious, I can't find anything online.
Dan's user avatar
  • 305
10 votes
3 answers
2k views

How the name server is resolved if its from the same domain?

My understanding is, if I browse to example.com, first my computer will ask the root nameservers about the .com TLD nameservers, and it will be given the IP address of the .com TLD nameservers. Once ...
Mani Bharathy's user avatar
8 votes
1 answer
5k views

What is the maximum practical TTL

I'm just curious to know what the maximum practical TTL value is for an A entry. Somewhere I found the TTL value can be as high as 99,999,999 seconds, about 3.1 years, but simply that would not be ...
Siamak's user avatar
  • 243
7 votes
1 answer
5k views

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 ...
dane's user avatar
  • 71
6 votes
3 answers
4k views

What is needed to add DNSSEC to my site?

What is needed to add DNSSEC to my site? Is it like HTTPS/SSL that I have to buy a certificate, or can I generate one myself to use? Is there any free way I can use DNSSEC or do I have to pay for ...
Jonas's user avatar
  • 1,920
5 votes
2 answers
11k views

Slow website response? How can I fix this issue?

I have pingdom monitor on my website: http://stats.pingdom.com/t68xhgex256f/375513 For North America (big target market) the response time is 1-2 seconds. This is far too slow. Is there anything ...
Tom Gullen's user avatar
  • 2,390
5 votes
2 answers
2k 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 ...
Wanting to be anAndroidDevelor's user avatar
5 votes
1 answer
5k views

creating unlimited sub domains programmatically through api

Note Consider each subdomain as unique application instance For information about application architecture visit https://stackoverflow.com/questions/11272776/using-phusion-passenger-nginx-running-...
Sam's user avatar
  • 195
5 votes
1 answer
699 views

DNS forwarding used to point GoDaddy DNS to Heroku app: this doesn't work from a corporate network, why?

My domain on GoDaddy is set up with DNS forwarding to the Heroku app. This works fine from all the internet connections I've tried except for the one at work. How can I troubleshoot this issue? Is it ...
CommonCents's user avatar
4 votes
3 answers
14k views

Cloudflare is it safe?

I am thinking of signing up with cloud flare, but since i'm not very familiar with the technical side of things, I wanted to ask here first. How safe is it to sign up with services, like cloud flare? ...
user1721135's user avatar
4 votes
1 answer
13k views

How do I determine if a redirection was due to DNS or the webserver?

I had an issue this week where the webhost altered my DNS settings, but the website, whether I typed in example.com or www.example.com would always resolve to www.www.example.com and I couldn't figure ...
Adam Davis's user avatar
4 votes
2 answers
2k views

Buy domain without static, public IP address

I'm about to buy a domain, just for a personal website, where the availability is not that crucial at all. As of now, I don't have a static, public IP. My question is, if I could buy the domain (e.g....
boolean.is.null's user avatar
4 votes
2 answers
106 views

Name Server / DNS Lookup

What is the difference between a name server lookup and a DNS lookup?
Guy's user avatar
  • 543
4 votes
2 answers
655 views

PostmarkApp inbound domain creation for MX record redirection

I'm trying to use Postmark App service (https://postmarkapp.com) to forward email to my subdomain to my PostmarkApp server. I'm trying to use inbound domain forwarding by configuring my MX record to ...
John John's user avatar
4 votes
2 answers
1k views

How to make so that a first domain name redirects to second one but the URL displays the first domain name?

I have first domain name registered with some domain name registrar, for which I don't have web hosting account, only dns hosting. I have second domain name registered with godaddy, with web hosting ...
Sunny88's user avatar
  • 143
4 votes
1 answer
2k views

Separate DNS server for subdomain.example.com

I have a website which has the address: subdomain.example.com. I would like to know if it can have its own DNS server like Route 53 (NS records, CNAME, A, etc.) or it is tied to the example.com?
Java Main's user avatar
  • 141
4 votes
1 answer
578 views

DNS taking weeks to propagate just in my area

It has been over two weeks since I changed over my DNS information on my new host. I still have my old hosting account setup through HostGator and it is still using the HostGator nameservers in my ...
user1632018's user avatar
3 votes
8 answers
5k views

When buying a domain what are the differences between nameservers (NS records) and other DNS servers?

When I buy a domain I always get confused between the two and manage to make a mess of the settings before I finally get it right, but still without clearly understanding what their roles are in ...
hidar's user avatar
  • 139
3 votes
2 answers
18k views

Why is my DKIM invalid?

When I use http://dkimcore.org/c/keycheck to test my DKIM it says This is not a good DKIM key record. You should fix the errors shown in red. DNS query failed for 'key1._domainkey.board67.com':...
James's user avatar
  • 33
3 votes
2 answers
880 views

"There is no subdomain here." error in creating (one/multi)-level sub-domains

Objective: I want to create multilevel sub-domains. For example, I've a domain like "domain.com," and now I want to create some sub-domains for it. It should be noted that what I'm working on it, ...
MRS1367's user avatar
  • 143
3 votes
2 answers
202 views

How do DNS servers get added to the DNS tree?

I recently decided to start researching the Domain Name System, and I was wondering. How does one get their DNS server onto the DNS Tree? From what I understand about unregistered domains, people make ...
Blue Herring's user avatar
3 votes
1 answer
463 views

Manage multiple subdomain on a different nameserver?

I have a domain, example.com which is managed on Cloudflare, and I would like to manage multiple sub-sub-domains, that end with .internal.example.com, such as one.one.internal.example.com and two....
roee klinger's user avatar
3 votes
3 answers
2k views

How can I change the order of the DNS records in the `dot.tk` DNS server?

I have a DNS record with three A records: the main site, and two backups. However, when clients perform a DNS lookup, they reach a backup site. How can I change the order of the DNS records in dot....
Hussain Khalil's user avatar
3 votes
2 answers
15k views

Setup Reverse DNS with Cpanel and WHM?

I needed to set-up a reverse DNS via cpanel. I followed the steps in this tutorial but it didn't work: http://docs.cpanel.net/twiki/bin/view/11_30/WHMDocs/RdnsForBind. I use my own name servers ...
m3d's user avatar
  • 51
3 votes
1 answer
2k views

New DNS record won't resolve on a custom name server that is functioning

I'm having trouble moving the DNS for a site. We migrated our site from a shared-hosting server to a virtual private server (VPS). The custom name server for the VPS account has been running domains ...
pattonmcg's user avatar
3 votes
1 answer
86 views

OS X Server DNS management

I have an OS X 10.6 Server running, which has PHP, Apache, MySQL, and DNS running on it. I want to take the DNS management out of the Server Admin App. I know that the DNS configuration files (the ...
Sorin Buturugeanu's user avatar
3 votes
2 answers
196 views

Avoiding downtime after DOS and change of IP

I have a small company designing, programing, and maintaining websites. I host my websites on a shared hosting plan (cpanel). I received an email 2 days ago that there was a DOS attack and the ...
electrique's user avatar
3 votes
1 answer
906 views

How to track conversion funnels across multiple domains with Google Analytics, getClicky, and CloudFlare

What we need: We need to implement funnel and conversion tracking across multiple domains. Currently, we have funnels that start in one domain but end in another domain. We have full control and ...
JRad the Bad's user avatar
3 votes
1 answer
8k views

Process of DNS resolution using nslookup starting from root nameservers

I understand broadly the theory of how a DNS resolver goes through the domain hierarchy querying nameservers to resolve a domain name from the root namespace downwards however I would like to try ...
neodymium's user avatar
  • 317
3 votes
2 answers
2k views

Domains with no name servers?

I have a few ccTLDs (.my) domains and I've just realised that there is no name servers for them at all. I wonder how that is even possible? Did the vendor whom I bought the domains from do something ...
ericn's user avatar
  • 259
3 votes
0 answers
69 views

dnsmasq multiplies A records

I'm using dnsmasq 2.80 on ubuntu 20.04. In the configuration I set hostsdir, the files in this directory are read automatically. If I change the IP of a host and checks the IP with the dig command, I ...
Thilo Schwarz's user avatar
3 votes
4 answers
242 views

How to provide email accounts without changing the DNS?

My client have registered a domain name through BigRock.in, and my client needs 10 email accounts, so I decided to provide it through my web hosting (re seller account). My question is - How to ...
user22849's user avatar
2 votes
3 answers
419 views

Can I create/host my own .com/.net domain name at home?

Okay, I'm thinking about hosting my own DNS/Domain name at home for a minecraft server I'm making for a professional IP address (like myservername.example). To my understanding, this is possible? If I ...
Mekrou's user avatar
  • 31
2 votes
3 answers
2k views

Safely turning off CloudFlare?

I'd like to selectively turn off CloudFlare ("the orange cloud icon") for some subdomains. But this would cause downtimes for people with certain network configurations, especially those with exotic ...
puzzlet's user avatar
  • 123
2 votes
1 answer
2k views

DNS: How can I determine which IP a subdomain is associated with?

I bought a domain(tohid.ir.tc) from a hosting company. it seems that it is a sub domain of this domain(Ir.tc). it made lot's of problems for me. I don't now to which DNS server it is pointing. both ...
Tohid's user avatar
  • 288
2 votes
1 answer
3k views

Setup DNS record with mail and web server on different IP but with the same domain

I got my webserver where my website is hosted and my mail server on two different servers with different IPs. I would like to have mail email @example.com using the mail server I have used an A ...
NicoCaldo's user avatar
  • 221
2 votes
2 answers
237 views

My new DNS change works from America but not Sweden

Several hours ago, I changed nameserver and DNS info on one of my domains at my domainregistar. When I accessed the domain from my home computers and when my friends accessed the domain, they get to ...
Dougie's user avatar
  • 23
2 votes
1 answer
208 views

DNS changes on cloudflare to verify domain for SSL not reflecting

I am using the free version of Cloudflare for my website and I made DNS changes by adding a CNAME record to verify my domain for Ahrefs. Changes were done 2 hours ago, but they are not propagating on ...
Learning's user avatar
  • 711
2 votes
1 answer
946 views

Accidently changed CNAME entries for "autodiscover" and "_domainconnect", will that hurt my website?

I am an absolute noob in web development, but I have a Wordpress site and while I was trying to verify my website for Youtube, I made a mistake and changed 2 CNAME entries on my 1und1.de (german ...
Florian Walther's user avatar
2 votes
2 answers
3k views

Domain Name Not resolving with webhost nameservers and without www

Searched all over and tried playing with httpd.conf , nothing works. The domain name can be resolved with www.domain.com but without www its does not resolve. Advice for A Records does not work. I ...
echoashu's user avatar
  • 135
2 votes
2 answers
7k views

Why does flush DNS often fail to work?

C:\Windows\system32>ipconfig /flushdns Windows IP Configuration Successfully flushed the DNS Resolver Cache. C:\Windows\system32>ping beautyadmired.com Pinging beautyadmired.com [xxx.45.62.2]...
user4234's user avatar
  • 197
2 votes
3 answers
2k views

Should I use the domain registrar or the web hosting name servers?

Let's say that I have the following website example.com, the domain registrar is provided by one company and the website hosting is provided by another. do I use the registrar name servers e.g ns....
sed's user avatar
  • 311
2 votes
1 answer
180 views

How does DNS verify owner identity?

I was editing my DNS records through my hosting service (nearlyfreespeech) and I got to wondering, how does the international DNS network know that the person who's editing the DNS records is actually ...
oink's user avatar
  • 123
2 votes
2 answers
7k views

Hostinger host and tk domain optimal DNS configuration

I want to configure tk domain with hostinger. I don't want to use the redirect option, so I'm trying to set the tk dns. In the image below are shown the parameters of hostinger that I have put in dns ...
Silverstorm's user avatar
2 votes
3 answers
7k views

Where do I set my SPF record for domain managed by Yahoo?

Many years ago we purchased a domain from Yahoo. Now our website is hosted on Amazon EC2. The output of an SPF checking tool (http://www.kitterman.com/getspf2.py) says: SPF records are primarily ...
Mikhail's user avatar
  • 408
2 votes
1 answer
959 views

How do I manage DNS with Godaddy but host the site at infinityfree.net?

Here's my situation. I used to host a site for a friend and now I want to migrate them to infinityfree.net since it's free and they're ok with it. Currently, they bought the domain name through ...
toy's user avatar
  • 123