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25
votes
2answers
13k views

DNS just started resolving my server.prod addresses to 127.0.53.53

I have servers named like server.prod.example.com, and I regularly log into them as server.prod. Recently, these hostnames started resolving to 127.0.53.53. It turns out that ICANN recently enabled ...
3
votes
4answers
4k views

How many domain levels are there? [closed]

.com,.us are TLD,top level domain, and co.uk are SLD,second level domain. Are there "third level domain, fourth level domain" and so on? How many different TLDs and SLDs are out there?
63
votes
3answers
20k views

Can I create a top level TLD? (.michael for instance)

It appears that ICANN is allowing the creation of top level domains. Instead of 'registering' a domain, you would essentially be signing up to be a registrar (you'd be giving out registrations on ...
0
votes
6answers
3k views

How can I find the WHOIS server for any TLD? [closed]

I'm looking for a reliable and up-to-date list of WHOIS Servers to use in a whois script. Since the list changes frequently, it'd be nice if there were a resource I could refer to rather than having ...
5
votes
4answers
6k views

Is it possible to change the postfix message-id?

Is it possible to change the message-id in postfix? If I send Mails over an Java-Application I get the following message-id: ...