Robtex

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IP	Type	Hostname
2a03:2880:f001::face:b00c:0:24d9	A+PTR	edge-stun6-shv-01-sea1.facebook.com
2a03:2880:f001::face:b00c:0:24d9	A	stun.c10r.facebook.com
2a03:2880:f001:2:face:b00c::8c	A+PTR	edge-atlas6-shv-01-sea1.facebook.com
2a03:2880:f001:2:face:b00c::8c	A	atlas.xx.fbcdn.net