Registro DMARC
v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:dmarc_rua@onsecureserver.net;

Registro IPv4
host: frontierdefense.com
class: IN
ttl: 300
type: A
ip: 172.67.222.53

Registro IPv4
host: frontierdefense.com
class: IN
ttl: 300
type: A
ip: 104.21.54.14

Servidores DNS Principal (mname) y Secundario (rname)
host: frontierdefense.com
class: IN
ttl: 1800
type: SOA
mname: elma.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2408684333
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Registro IPv6
host: frontierdefense.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3037::ac43:de35

Registro IPv6
host: frontierdefense.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3035::6815:360e