Registro DMARC
v=DMARC1; p=reject; rua=mailto:dmarc_reports@sprint.com; ruf=mailto:dmarc_reports@sprint.com; rf=afrf; sp=none; fo=1; pct=100; adkim=r; aspf=r

Registro IPv4
host: sprint.com
class: IN
ttl: 90
type: A
ip: 2.17.211.215

Registro IPv4
host: sprint.com
class: IN
ttl: 90
type: A
ip: 2.17.211.192

Servidores DNS Principal (mname) y Secundario (rname)
host: sprint.com
class: IN
ttl: 300
type: SOA
mname: a1-167.akam.net
rname: hostmaster.sprint.com
serial: 2024082632
refresh: 3600
retry: 600
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: sprint.com
class: IN
ttl: 300
type: MX
pri: 10
target: sprint-com.mail.protection.outlook.com

Información TXT
host: sprint.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:t-mobile.com -all
entries: v=spf1 include:t-mobile.com -all

Registro IPv6
host: sprint.com
class: IN
ttl: 90
type: AAAA
ipv6: 2a02:26f0:e0::211:25b8

Registro IPv6
host: sprint.com
class: IN
ttl: 90
type: AAAA
ipv6: 2a02:26f0:e0::211:25b9