Registro DMARC
v=DMARC1;p=none;pct=100;rua=mailto:client-dmarc-reports@granicus.com

Registro IPv4
host: service.govdelivery.com
class: IN
ttl: 300
type: A
ip: 209.134.144.21

Servidores DNS Principal (mname) y Secundario (rname)
host: service.govdelivery.com
class: IN
ttl: 900
type: SOA
mname: ns-1583.awsdns-05.co.uk
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 300

Servidor de Correo
host: service.govdelivery.com
class: IN
ttl: 300
type: MX
pri: 10
target: mx.service.govdelivery.com

Servidor de Correo
host: service.govdelivery.com
class: IN
ttl: 300
type: MX
pri: 30
target: mx2.service.govdelivery.com

Información TXT
host: service.govdelivery.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 ip4:174.140.129.48/28 ip4:69.5.86.0/24 ip4:69.5.87.0/24 ip4:69.5.85.0/24 ip4:209.134.144.4 ip4:209.134.144.211 ip4:209.134.144.240/28 ip4:209.134.151.0/24 ip4:209.134.158.0/24 ip4:208.42.179.121 ip4:208.42.179.123 ip4:208.42.190.0/24 ip4:208.42.137.0/24 ip4:66.179.16.0/22 exp=spferror.service.govdelivery.com -all
entries: Array

Información TXT
host: service.govdelivery.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=WNMAGhTYZIBORjZBRFjuIlX9EBz_6Qs8guEMctNq_3c
entries: Array

Registro IPv6
host: service.govdelivery.com
class: IN
ttl: 300
type: AAAA
ipv6: 2001:18c8:17f:fc75:20:1:1:2