Registro DMARC
v=DMARC1; p=reject; rua=mailto:mailauth-reports@google.com

Registro IPv4
host: appspot.com
class: IN
ttl: 300
type: A
ip: 142.251.39.174

Servidores DNS Principal (mname) y Secundario (rname)
host: appspot.com
class: IN
ttl: 60
type: SOA
mname: ns1.google.com
rname: dns-admin.google.com
serial: 1007977091
refresh: 900
retry: 900
expire: 1800
minimum-ttl: 60

Información TXT
host: appspot.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 -all
entries: Array

Información TXT
host: appspot.com
class: IN
ttl: 300
type: TXT
txt: IPROTA_D29304-XXX
entries: Array