DNS mailserver

Har A-rekord på wiki.center-of-excellence.dk

[root@mars ~]#nslookup
> set type=A
> wiki.center-of-excellence.dk
Server:         127.0.0.1
Address:        127.0.0.1#53

Non-authoritative answer:
Name:   wiki.center-of-excellence.dk
Address: 83.90.239.183
>

To make a reverse lookup, we need to find who is authoritative for the reverse zone for this net.

> set type=soa
> 239.90.83.in-addr.arpa
Server:         127.0.0.1
Address:        127.0.0.1#53

Non-authoritative answer:
239.90.83.in-addr.arpa
        <notice>origin = auth01.ns.tele.dk</notice>
        mail addr = dns.ip.tele.dk
        serial = 2010012000
        refresh = 3600
        retry = 1800
        expire = 2419200
        minimum = 1800

Authoritative answers can be found from:
83.in-addr.arpa nameserver = SUNIC.SUNET.SE.
83.in-addr.arpa nameserver = SEC3.APNIC.NET.
83.in-addr.arpa nameserver = TINNIE.ARIN.NET.
83.in-addr.arpa nameserver = SEC1.APNIC.NET.
83.in-addr.arpa nameserver = NS3.NIC.FR.
83.in-addr.arpa nameserver = NS-PRI.RIPE.NET.
NS-PRI.RIPE.NET internet address = 193.0.0.195
NS-PRI.RIPE.NET has AAAA address 2001:610:240:0:53::3
TINNIE.ARIN.NET internet address = 199.212.0.53
TINNIE.ARIN.NET has AAAA address 2001:500:13::c7d4:35