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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.

DNS records are managed by DNS Server and performed in the basis of different protocols.

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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 browsers react if the first host (192.0.2.1) is…
Jonas
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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 which I'm hosting somewhere else, say at…
RocketNuts
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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 registrar?
Chris W. Rea
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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 browser, does the URL in the browser remain…
gangelo
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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
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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 it has the .com TLD nameservers, then it asks one…
Mani Bharathy
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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 practical! ISPs would ignore it, wouldn't they? I…
Siamak
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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 Siteground to host a subdomain. How can I do this…
dane
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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 this service? E.g if I set up my own DNS servers, or…
Jonas
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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 the client location? My understanding on DNS is…
Wanting to be anAndroidDevelor
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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-same-rails-app-with-multiple-instance I am having…
Sam
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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 a case of ports being blocked? Why might that…
CommonCents
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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 I can do? The server is located in the UK, so…
Tom Gullen
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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 point to my Postmark email server. The Postmark…
John John
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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
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