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

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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.
4
votes
1answer
627 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 ...
46
votes
4answers
57k 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 ...
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
2answers
855 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 ...
2
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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
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 ...