Registro IPv4
host: addfreepost.com
class: IN
ttl: 300
type: A
ip: 104.21.43.230

Registro IPv4
host: addfreepost.com
class: IN
ttl: 300
type: A
ip: 172.67.186.224

Servidores DNS Principal (mname) y Secundario (rname)
host: addfreepost.com
class: IN
ttl: 1800
type: SOA
mname: vern.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2361470551
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Registro IPv6
host: addfreepost.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3034::ac43:bae0

Registro IPv6
host: addfreepost.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3036::6815:2be6