Zone apex
Start of authority
Email
Serial
2002388033
Refresh
3h
Retry
1h
Expire
7d
Negative cache TTL
10m
Question and response
Question
dig iscmrtutprl18.isc.upenn.edu. SOA
Answer
The response has no answer records.
Authority
upenn.edu. 600 SOA ipam2.nnn.upenn.edu. hostmaster.upenn.edu. 2002388033 10800 3600 604800 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0