Registro DMARC
v=DMARC1; p=reject; rua=mailto:n13hm4ov@ag.c1.dmarcian.com;

Registro IPv4
host: at91.com
class: IN
ttl: 1800
type: A
ip: 198.175.253.196

Servidores DNS Principal (mname) y Secundario (rname)
host: at91.com
class: IN
ttl: 86400
type: SOA
mname: a1-212.akam.net
rname: hostmaster.at91.com
serial: 2023081703
refresh: 3600
retry: 600
expire: 604800
minimum-ttl: 300

Información TXT
host: at91.com
class: IN
ttl: 1800
type: TXT
txt: v=spf1 -all
entries: Array