[Pdns-users] ptr - revese dns
gass at otiliamatos.ath.cx
Wed Apr 19 22:12:03 UTC 2006
Thanks to all.
that is the nameserver of my datacenter ... i saw that on
Michael Loftis wrote:
> --On April 19, 2006 10:51:04 PM +0100 Luis Matos
> <gass at otiliamatos.ath.cx> wrote:
>> if the ip is, why not the reverse? good question ... the ip in
>> quetion is
> Reverse DNS has to be delegated either on a /24 or via CNAMEs in the
> surrounding /24, you don't control your own reverse DNS if all you
> have is a single IP, the ISP/provider of that IP controls it. To that
> end broadnet will have to add PTRs for you to your A records. Note
> that reverse DNS is *TWO* parts, a PTR, and a corresponding A record.
> d216-220-25-20:~ mloftis$ dig ns 133.54.212.in-addr.arpa
> ; <<>> DiG 9.2.2 <<>> ns 133.54.212.in-addr.arpa
> ;; global options: printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1313
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0
> ;; QUESTION SECTION:
> ;133.54.212.in-addr.arpa. IN NS
> ;; ANSWER SECTION:
> 133.54.212.in-addr.arpa. 3600 IN NS ns.broadnet.pt.
> 133.54.212.in-addr.arpa. 3600 IN NS ns2.broadnet.pt.
> ;; Query time: 667 msec
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