Information about DNS and network
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” »
submitted by /u/eleitl [link] [comments] Powered by WPeMatico
So, I have an issue that I have yet to come across in my experience until now. Scenario: Using Microsoft DNS servers, I am needing to create a Forward Lookup Zone containing one “A” record, but forward any other lookups for that zone to public DNS. So for example you have “domain.com“. I need to … Read More “Forwarding lookups to a public DNS for a zone that exists on internal DNS.” »
When I was learning DNS the standard classic book on DNS and Bind was the famous OReilly book “DNS & BIND” by Cricket Liu. But the latest edition is from 2006 (I don’t have a copy). I wonder if this book is getting outdated..? What is the current authoritative book (or other documentation) on DNS … Read More “Bible of DNS & BIND” »
I have purchased a google domain and I have been learning about the custom records. So what better way to play around with it then to make a Minecraft server. Simple right?? Wrong! I’m a little lost. I have made an “A” record that points to my IPv4 where the server is running. Then made … Read More “Minecraft” »
OK, so I have a client request that’s been difficult for me to figure out. Admittedly, I’m not super network/code-savvy (just enough to be dangerous). Client has a website at name.com and a domain at name.com.mx. The website is hosted at GoDaddy; the .com domain is registered at Network Solutions; the .com.mx domain is registered … Read More “How can I redirect a .com.mx domain to a .com website?” »
Hi all, We have a Win 2012 domain with 6 domain controllers/DNS servers. a few times a week the help desk will have an issue with a computer whose DNS will not resolve. An ipconfig /registerdns usually does the trick. But how can we prevent this problem? 10:59:39 Client: “A name not found error was … Read More “Win 2012 DNS Server – Entries mysteriously deleted?” »
submitted by /u/fcambus [link] [comments] Powered by WPeMatico