Zone apex
Start of authority
Email
Serial
2002363042
Refresh
3h
Retry
1h
Expire
7d
Negative cache TTL
10m
Question and response
Question
dig upenn.edu. SOA
Answer
upenn.edu. 3600 SOA ipam1.nnn.upenn.edu. hostmaster.upenn.edu. 2002363042 10800 3600 604800 600
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0