Registro DMARC
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; fo=1

Registro IPv4
host: renfe.com
class: IN
ttl: 900
type: A
ip: 213.144.49.50

Servidores DNS Principal (mname) y Secundario (rname)
host: renfe.com
class: IN
ttl: 900
type: SOA
mname: dns1.renfe.es
rname: dnsmaster.renfe.es
serial: 2023020393
refresh: 3600
retry: 360
expire: 604800
minimum-ttl: 300

Información TXT
host: renfe.com
class: IN
ttl: 900
type: TXT
txt: facebook-domain-verification=kggxjjdg0rc1fiuha11s7d4skar3az
entries: Array

Información TXT
host: renfe.com
class: IN
ttl: 900
type: TXT
txt: v=spf1 -all
entries: Array

Información TXT
host: renfe.com
class: IN
ttl: 900
type: TXT
txt: infoblox-domain-mastery=84a0692bf7871bd6d687fe0ee17cfff4da7ed38446da9c9925cd4c244eed327299
entries: Array

Información TXT
host: renfe.com
class: IN
ttl: 900
type: TXT
txt: google-site-verification=RjfylyWMvpbPZcmWUURH8kmoucsx_sGMh4Be1zBzBEw
entries: Array