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

learn more… | top users | synonyms (1)

46
votes
4answers
56k 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: 1.1.1.1 A example.com 1.1.1.2 A example.com 1.1.1.3 A example.com But how does web ...
24
votes
7answers
4k 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 ...
11
votes
2answers
3k 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.
8
votes
1answer
3k 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 ...
5
votes
3answers
2k 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 ...
4
votes
1answer
557 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 ...
4
votes
2answers
82 views

Name Server / DNS Lookup

What is the difference between a name server lookup and a DNS lookup?
4
votes
2answers
851 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 ...
3
votes
2answers
283 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, ...
3
votes
2answers
8k 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 ...
3
votes
3answers
391 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....
3
votes
2answers
32 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 ...
3
votes
1answer
65 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?
3
votes
1answer
1k views

creating unlimited sub domains programmatically through api

Note Consider each subdomain as unique application instance For information about application architecture visit http://stackoverflow.com/questions/11272776/using-phusion-passenger-nginx-running-...
3
votes
1answer
133 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 ...
3
votes
1answer
491 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 ...
3
votes
2answers
7k 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 ...
3
votes
1answer
71 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 ...
3
votes
2answers
40 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 ...
3
votes
1answer
249 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 ...
3
votes
0answers
24 views

How to properly set up SRV DNS record?

I'm setting up DNS server for my home network. It contains plenty of machines but I have only one public IP so there's a lot of NAT, proxies etc. Many people find it difficult to memorize all services ...
3
votes
4answers
160 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 ...
2
votes
2answers
3k 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':...
2
votes
1answer
1k 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 ...
2
votes
2answers
3k 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]...
2
votes
2answers
186 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 ...
2
votes
2answers
1k 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 ...
2
votes
2answers
110 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....
2
votes
1answer
42 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 ...
2
votes
2answers
5k 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 ...
2
votes
3answers
4k 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 ...
2
votes
1answer
227 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 ...
2
votes
1answer
144 views

Can I get multiple subdomains for different dns?

I have a domain registered with a domain vendor and hosting provider. I tried out with 000webhost as hosting service, so I changed my domain settings to the 000webhost dns addresses. At 000webhost I ...
2
votes
1answer
76 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 ...
2
votes
3answers
1k views

Site not accessible without www in url - Error 400 bad request

A site that I am developing works with the format www.domain.com but when typing the domain without the www i.e domain.com I receive a error 400 bad request. How can I enable non-www for my site.
2
votes
2answers
67 views

Domain registrar changed DNS without warning

We have had a very long an damaging outage which lasted around 24hrs due to a change in our DNS servers by our registrar. What happened (according to our registrar) was that for some reason their ...
2
votes
1answer
32 views

Question about name server propagation

I just did an overhaul of my company's website and changed the hosting provider, and it's probably been about 36-48 hours since I changed the pointers at my registrar to the new name servers. I have ...
2
votes
1answer
93 views

Pointing subdomain to my server

My bro is using a service of a third party(say, X), with DNS addresses: ns1.x.com ns2.x.com So, bro bought a domain name, say abc.com. And pointed the DNS addresses with the above ones. Now, bro ...
2
votes
2answers
199 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 ...
2
votes
1answer
33 views

DNS Name Server Location - latency benefits?

Our users are primarily in the UK. We already have the sites hosted on a sever in the UK. Would there be any latency benefits in having the DNS name servers located in the UK as well?
2
votes
1answer
38 views

Explanation of ACL configuration during the setup of DNS resolving server

So I have managed to setup my DNS resolving server. I can share details of doing the same here (just in case if someone is curious to know). I have used Fedora, however, it is pretty much the same in ...
1
vote
3answers
2k 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? ...
1
vote
1answer
754 views

Set up DNS name servers for WP Engine

I have set up my blog on WP Engine, and have been given a CNAME. My domain name is registered with CrazyDomains, and currently the name servers are pointing to Linode servers (where the blog was ...
1
vote
1answer
27 views

Setting up host records

I just purchased a domain with crazy domains. I'm trying to figure out if I need to pay for the advanced DNS services. There is an option to set host records. As a test, I tried redirecting it to ...
1
vote
1answer
591 views

How to correctly implement SPF record

I am currently using FreshBooks as my invoicing/accounting system. Freshbooks sends (or at least should send) automated invoices to clients when an invoice is created so they can pay. Unfortunately ...
1
vote
1answer
25 views

are there any advantages to having a short TTL?

I'm currently doing a study on the DNS and I was wondering whether there are any advantages to setting a short TTL on a DNS record stored in a local cache.
1
vote
3answers
43 views

2nd domain name pointing to 1st only works on some machines

I have 2 domain names. example.com is associated with the site and server and works fine. I want to point example.net to the same site and server. To do this I have example.net as a Domain Alias in ...
1
vote
1answer
24 views

What happens if the secondary ns record contains a record not present in the primary ns record?

Will this record be used by internet services or not? I'm moving the ns records from one server to another while keeping the site on a third webhost. I do not have control on the primary nameserver ...
1
vote
2answers
364 views

Need help with DNS. Registrar is NS, Web Site at WinHost, Email at eHost

Need help moving a web site for a client, which I will call ClientABC. The web site is ClientABC.com, which is hosted at Rackspace, with their email hosted at eHost. We are transferring the site from ...
1
vote
1answer
2k views

How to find the Fastest DNS servers to host our domain?

The question was born because lately we've seen a pretty odd (well, at least for us, for the first time) - error message in Google webmaster tools - "DNS lookup timeout" ... I was pretty sure that ...