smtpin.vvv.facebook.com DNS propagation

Map showing DNS propagation for smtpin.vvv.facebook.com

A records not consistent

Authoritative servers are returning different records.
  • This is normal for A records — they can be geo- or round-robin load-balanced.
  • If this is not intentional, check your DNS server configuration.
DNS server
Records returned by these servers
a.ns.facebook.com
129.134.30.12
d.ns.facebook.com
185.89.219.12
2a10:50c0::ad1:ff
NextDNS
45.90.28.66
OpenDns
2620:119:53::53
b.ns.facebook.com
129.134.31.12
c.ns.facebook.com
185.89.218.12
9.9.9.9
185.228.168.168
2606:4700:4700::1001
8.8.8.8