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I own a domain name, and a virtual private server. On that server I've installed ZNC as a bouncer for my IRC connection, and when connected through it the hostname is just a random hash of letters and numbers, or the server's IP if I set -x on myself.

I know many BNC providers offer custom hosts for domains, but how would I use my own domain with my own bouncer? I've looked thoroughly and I can't seem to find an answer to this.

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up vote 4 down vote accepted

It's standard reverse DNS:

  1. Choose a domain, or a subdomain, that you control. Let's say,

  2. Point the domain to your server's IP address using a standard A or AAAA record. A
                      AAAA 2001:db8::42
  3. Configure the rDNS to resolve your IP address back to that domain. rDNS uses PTR records under the special and domains, but usually you don't have to deal with them directly, as most VPS hosts will have a control panel option to change the rDNS for your server's addresses. For a home Internet connection, you would have to ask your ISP. PTR PTR

If you have recently connected to the IRC server, it will have cached the previous data – remember to wait until its cache expires.

Also remember that almost all IRC servers require forward and reverse DNS to be identical:

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I don't see an option to change my rDNS or PTR record in my VPS, but I can change the server's hostname. Would this be it? – Alex Apr 10 '12 at 14:00
It could be. Try changing it to your desired domain, then check using something like dig +trace -x <ipaddr> if the PTR record was updated. – grawity Apr 10 '12 at 14:05
at the last sentence, how do I check that? – Michelle Dec 2 '13 at 11:50
Using standard DNS lookup tools, one of which was named in the same sentence? – grawity Dec 2 '13 at 14:52

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