Registro DMARC
v=DMARC1; p=reject; sp=reject; pct=100; fo=1; rf=afrf; ri=43200; rua=mailto:dmarc_reports@dot.gov,mailto:reports@dmarc.cyber.dhs.gov; ruf=mailto:dmarc_reports@dot.gov

Servidores DNS Principal (mname) y Secundario (rname)
host: bts.gov
class: IN
ttl: 600
type: SOA
mname: dot-dca-edns-wz01.idn.dot.gov
rname: hostmaster.dot.gov
serial: 2008213538
refresh: 3600
retry: 360
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: bts.gov
class: IN
ttl: 600
type: MX
pri: 1
target: bts-dot-gov.mail.protection.outlook.com

Información TXT
host: bts.gov
class: IN
ttl: 600
type: TXT
txt: MS=ms78846941
entries: Array

Información TXT
host: bts.gov
class: IN
ttl: 600
type: TXT
txt: xqnpnklgs22pyzpz550lgh78fn4fy3w7
entries: Array

Información TXT
host: bts.gov
class: IN
ttl: 600
type: TXT
txt: v=spf1 mx include:_ip4SPF.bts.gov include:_ip6SPF.bts.gov include:_O365SPF.dot.gov -all
entries: Array