Registro DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

Registro IPv4
host: ultramarcst.ca
class: IN
ttl: 300
type: A
ip: 104.21.27.191

Registro IPv4
host: ultramarcst.ca
class: IN
ttl: 300
type: A
ip: 172.67.143.119

Servidores DNS Principal (mname) y Secundario (rname)
host: ultramarcst.ca
class: IN
ttl: 1800
type: SOA
mname: bella.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2375243452
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Información TXT
host: ultramarcst.ca
class: IN
ttl: 300
type: TXT
txt: v=spf1 mx a include:sendgrid.net ~all
entries: Array

Información TXT
host: ultramarcst.ca
class: IN
ttl: 300
type: TXT
txt: google-site-verification=pYVNPx9QgHvDDpimPLUWTV7BW-oteNrHSgAbUg7JYFM
entries: Array

Registro IPv6
host: ultramarcst.ca
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3036::ac43:8f77

Registro IPv6
host: ultramarcst.ca
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3035::6815:1bbf