Our Server 2008 R2 DNS server is logging errors claiming that replies to certain DNS queries contain invalid domain names. I’ve captured the queries and replies in wireshark, and the domain in the reply is valid, and identical to the domain in the query. However, what I have noticed is that the reply contains only … Read More “NS query – what resource records are valid in replies?” »

If I’ve got a domain that’s example.com, and currently have a server listed as www.example.com, can I also create another record for another completely different system? What I’m wondering is if I’m able to redirect a name resolution from www.example.com to another system in a different domain, like www.example.org? Totally different domain root, but I’d … Read More “Can I use CNAME to point to a totally different domain?” »

Solved: My hoster has a menu which allows me to change this, which is different from the one that is (I think) AXFR related. Problem was: I have a domain ending in .org, for which I changed the primary NS a week ago. I just noticed that when asking one of the .org nameservers which … Read More “Who updates the TLD zone?” »

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I used A record in my domain hosting provider and used their nameserver to dns host. but not i want to host dns server through my vps server like ns1.mysitename.com and ns2.mysitename.com, but to achieve that do i have to install software like bind or i can do it without software? submitted by /u/sandy_patel [link] … Read More “should I have to install Bind to config DNS server in Centos 7?” »

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We had one of our nameservers go down yesterday and everyone in the office was scratching their heads wondering why our other DNS didn’t immediately pick up the load. The two nameservers are not in master-slave configuration, but their zones and records in the zones are all identical. They live on two completely different networks … Read More “How will a resolver know about our second nameserver if we don’t have two NS entries?” »

I am trying to set up a DKIM record however I am having an issue that when I try to validate the public key it returns to be invalid. Could anyone help me or guide me to where I can find some proper info on this? submitted by /u/MTyr [link] [comments] Powered by WPeMatico

domain.local has three nameservers, two 2012 R2 one 2016 On each of the nameservers I see the following strangeness: In DNS Server I open domain.local under forward lookup zones and see my three nameservers. On one of them I have additional IP addresses appearing that belong in subnets that do not exist: 10.10.15.1 10.10.20.1 In … Read More “Mystery IP addresses insist on attaching to name server” »