strange results from nslookup of icq.mirabilis.com

22 Oct 2001

      Can anyone tell me why nslookup is adding my domain
name on to an nslookup of     icq.mirabilis.com   ... and
then trying to do a lookup on that ?

Is it because mirabilis.com are not returning any nameserver 
records in the authority records ?

planet:~$ nslookup
Default Server:  planet.natlib.govt.nz
Address:  192.122.171.130
...
set debug
icq.mirabilis.com
Server:  planet.natlib.govt.nz
Address:  192.122.171.130
;; res_nmkquery(QUERY, icq.mirabilis.com, IN, A)
------------
Got answer:
    HEADER:
        opcode = QUERY, id = 63705, rcode = NXDOMAIN
        header flags:  response, auth. answer, want recursion, recursion avail.
        questions = 1,  answers = 1,  authority records = 1,  additional = 0

    QUESTIONS:
        icq.mirabilis.com, type = A, class = IN
    ANSWERS:
    ->  icq.mirabilis.com
        canonical name = icq.fes.mirabilis.com
        ttl = 600 (10M)
    AUTHORITY RECORDS:
    ->  mirabilis.com
        ttl = 600 (10M)
        origin = dns-01.icq.net
        mail addr = hostmaster.icq.net
        serial = 2001101601
        refresh = 600 (10M)
        retry   = 300 (5M)
        expire  = 604800 (1W)
        minimum ttl = 600 (10M)

------------
;; res_nmkquery(QUERY, icq.mirabilis.com.natlib.govt.nz, IN, A)
------------
Got answer:
    HEADER:
        opcode = QUERY, id = 63706, rcode = NXDOMAIN
        header flags:  response, auth. answer, want recursion, recursion avail.
        questions = 1,  answers = 0,  authority records = 1,  additional = 0

    QUESTIONS:
        icq.mirabilis.com.natlib.govt.nz, type = A, class = IN
    AUTHORITY RECORDS:
    ->  natlib.govt.nz
        ttl = 86400 (1D)
        origin = dns1.natlib.govt.nz
        mail addr = networks.natlib.govt.nz
        serial = 2001102309
        refresh = 3600 (1H)
        retry   = 1200 (20M)
        expire  = 1728000 (1728000)
        minimum ttl = 86400 (1D)

------------
*** planet.natlib.govt.nz can't find icq.mirabilis.com: Non-existent host/domain
...
At first I thought it was a problem with our dns,  but I have
repeated the same query from other NZ sites nameservers
and seem to be getting similar results.

Are any other NZ ISP's or nznog people seeing a similar problem?

Thanks
Adrian Smith

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