b.ns.facebook.com DNS history

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First observed

A +1 -0

+ b.ns.facebook.com 172800 A 129.134.31.12

AAAA +1 -0

+ b.ns.facebook.com 172800 AAAA 2a03:2880:f0fd:c:face:b00c:0:35

SOA +1 -0

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

TXT +1 -0

+ b.ns.facebook.com 7200 TXT "v=spf1 a ~all"