Registro DMARC
v=DMARC1; p=none; aspf=r; adkim=r;

Registro IPv4
host: reservations-united-airlines.com
class: IN
ttl: 21600
type: A
ip: 35.213.140.33

Servidores DNS Principal (mname) y Secundario (rname)
host: reservations-united-airlines.com
class: IN
ttl: 14400
type: SOA
mname: ns1.siteground.net
rname: admins.siteground.com
serial: 74
refresh: 86400
retry: 7200
expire: 3600000
minimum-ttl: 86400

Servidor de Correo
host: reservations-united-airlines.com
class: IN
ttl: 21600
type: MX
pri: 10
target: mx10.antispam.mailspamprotection.com

Servidor de Correo
host: reservations-united-airlines.com
class: IN
ttl: 21600
type: MX
pri: 30
target: mx30.antispam.mailspamprotection.com

Servidor de Correo
host: reservations-united-airlines.com
class: IN
ttl: 21600
type: MX
pri: 20
target: mx20.antispam.mailspamprotection.com

Información TXT
host: reservations-united-airlines.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 +a +mx +ip4:35.213.189.229  include:reservations-united-airlines.com.spf.auto.dnssmarthost.net ~all
entries: Array

Información TXT
host: reservations-united-airlines.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=3ZJVMFBO_SF5iiRHOSCu2r_3yW9_ZlxtIB9YOFCxrlU
entries: Array