[sclug] Sticky DNS Glue.

Leon Ward leon.ward at added-dimension.co.uk
Sat Oct 25 09:05:42 UTC 2003


Hello People,

Was wondering if someone could shed some light on a DNS problem I currently
have.
At present I don't know that much about this, however when something goes
wrong
you don't have any choice but to learn fast :-(

I am trying to set up my own DNS server, for argues sake, somedomain.co.uk
I want to host the server on a host called box1.somedomain.co.uk

somedomain.co.uk 's DNS is currently handled by ns0.anotherdomain.com, I
need to 
move my domain off there as soon as I can.

I have set up bind on a box1.somedomain.co.uk
I created an A record for ns0.somedomain.co.uk that points at the IP of
box1.somedomain.co.uk.

I sent the mail requesting the change for my primary DNS to be
ns0.somedomain.co.uk, with no luck.

I have been told that ...

The DNS names must have a "GLUE" record, which means it has to have reverse
lookup. This DNS names shows up as:
box1.somedomain.co.uk not ns0.nardware.co.uk

I have asked a few people, who have told me that the reverse lookup is not
important for a glue record, I have faith in what they say, but would like
some further opinions from others before I have to change the reverse
pointer to ns0.somedomain.co.uk or start to argue.

examples...


paul at guppy:~$ whois bytemark.co.uk

    Name servers listed in order:
        a.ns.bytemark.co.uk               194.153.169.15
        b.ns.bytemark.co.uk               194.153.169.31
        c.ns.bytemark.co.uk               212.100.225.215

paul at guppy:~$ host 194.153.169.15     
Name: greendome.bytemark.co.uk
Address: 194.153.169.15

paul at guppy:~$ host 194.153.169.31
Name: schizoid.bytemark.co.uk
Address: 194.153.169.31

paul at guppy:~$ host 212.100.225.215
Name: gluttony.dymartech.co.uk
Address: 212.100.225.215


paul at guppy:~$ whois bbc.co.uk

    Name servers listed in order:
        ns.bbc.co.uk                      132.185.132.21
        ns1.thny.bbc.co.uk                38.160.150.21
        ns1.thdo.bbc.co.uk                212.58.224.21
        ns1.bbc.co.uk                     132.185.132.11


paul at guppy:~$ host 132.185.132.11
Name: gateb.kw.bbc.co.uk
Address: 132.185.132.11

paul at guppy:~$ host 132.185.132.21
Name: ns1.kw.bbc.co.uk
Address: 132.185.132.21


paul at guppy:~$ whois nominet.org.uk

    Name servers listed in order:
        ns0.nominet.org.uk                194.205.67.10
        ns0.insnet.net                    194.177.160.34
        ns1.insnet.net                    194.177.170.34

paul at guppy:~$ host 194.205.67.10
Name: staff.nominet.org.uk
Address: 194.205.67.10

Thanks for any help...

-Nard



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