Any one knows what id's full meaning when doing nslookup?
Larry Liu
Larry.Liu at cavcf.org
Tue Nov 11 16:07:58 UTC 2003
Below is a nslookup result with "set debug". Does anyone have a full
understanding for id=15 in line 3 ? Is the the 15th query from a
particular client before the ttl, expiration day, or otherwise? Thanks.
------------
Got answer:
HEADER:
opcode = QUERY, id = 15, rcode = NOERROR
header flags: response, want recursion, recursion avail.
questions = 1, answers = 0, authority records = 1, additional = 0
QUESTIONS:
cnf.com, type = A, class = IN
AUTHORITY RECORDS:
-> cnf.com
ttl = 7200 (2 hours)
primary name server = dmrqs004.cnf.com
responsible mail addr = dns_id.dmrqs004.cnf.com
serial = 2003110400
refresh = 3600 (1 hour)
retry = 1800 (30 mins)
expire = 604800 (7 days)
default TTL = 7200 (2 hours)
------------
Name: cnf.com
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