Registro IPv4
host: headers-regional.vvv.facebook.com
class: IN
ttl: 90
type: A
ip: 66.220.149.254

host: h.facebook.com
class: IN
ttl: 90
type: CNAME
target: headers-regional.vvv.facebook.com

Información TXT
host: headers-regional.vvv.facebook.com
class: IN
ttl: 7200
type: TXT
txt: v=spf1 a ~all
entries: Array

Registro IPv6
host: headers-regional.vvv.facebook.com
class: IN
ttl: 90
type: AAAA
ipv6: 2a03:2880:21ff:fffe:face:b00c::1