b.ns.facebook.com SOA records

SOA Start of authority
5m
Zone apex
Start of authority
Email
[email protected]
Serial
4207849484
Refresh
4h
Retry
30m
Expire
7d
Negative cache TTL
5m

Question and response

Question

dig b.ns.facebook.com. SOA

Answer

The response has no answer records.

Authority

facebook.com. 3600 SOA a.ns.facebook.com. dns.facebook.com. 4207849484 14400 1800 604800 300

Additional

. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0