Zone apex
Start of authority
Email
Serial
903847
Refresh
3h
Retry
18m
Expire
30d
Negative cache TTL
15m
Question and response
Question
dig ns3.nih.gov. SOA
Answer
The response has no answer records.
Authority
nih.gov. 900 SOA nihblox6.nih.gov. hostmaster.nih.gov. 903847 10800 1080 2592000 900
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0