I'm currently contributing at Mozilla Community IT, and I'm working with our infrastructure team to setup a puppet master. Puppet doesn't play nicely without RDNS resolving properly, but our cloud ...
Here are two traceroutes both to 18.104.22.168. One results in the name ns1.hosting365.ie and the other in the name mail.hosting365.ie. Why the difference? traceroute to mail.cameracentre.ie ...
Google gave me conflicting answers for this one. Some believed that most networks take the lazy attitude to DNS lookups and simply set your hostname to whatever RDNS throws up while others said it was ...
Should I set my IP address' PTR record to the domain (mydomain.com) or the subdomain where the mail server is (mail.mydomain.com)? It's a little confusing.
Say I have two domains, foo.com and bar.com, and I initially have an A record for: www.foo.com → 22.214.171.124 I then decide I want www.bar.com to resolve to this IP, so I delete www.foo.com's A ...
I know it is possible to resolve IP addresses to host names but can IPs be resolved to domain names?
I have an IP address, xx.xx.xx.xx, for which ping works. But when I do an nslookup for that IP address it is failing. Is there a way to find the domain name of the machine with the IP address ...