Zone apex
Start of authority
Email
Serial
4207849484
Refresh
4h
Retry
30m
Expire
7d
Negative cache TTL
1h
Question and response
Question
dig fwdproxy-ncg-000.fbsv.net. SOA
Answer
The response has no answer records.
Authority
fbsv.net. 3600 SOA a.ns.facebook.com. dns.facebook.com. 4207849484 14400 1800 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0