Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc@expreso.com.mx, mailto:dmarc@expreso.com.mx; 
pct=100; adkim=s; aspf=s.

Registro IPv4
host: expreso.com.mx
class: IN
ttl: 300
type: A
ip: 172.67.221.89

Registro IPv4
host: expreso.com.mx
class: IN
ttl: 300
type: A
ip: 104.21.75.107

Servidores DNS Principal (mname) y Secundario (rname)
host: expreso.com.mx
class: IN
ttl: 1800
type: SOA
mname: jill.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2400806689
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: expreso.com.mx
class: IN
ttl: 300
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Servidor de Correo
host: expreso.com.mx
class: IN
ttl: 300
type: MX
pri: 1
target: aspmx.l.google.com

Servidor de Correo
host: expreso.com.mx
class: IN
ttl: 300
type: MX
pri: 10
target: aspmx2.googlemail.com

Servidor de Correo
host: expreso.com.mx
class: IN
ttl: 300
type: MX
pri: 10
target: aspmx3.googlemail.com

Servidor de Correo
host: expreso.com.mx
class: IN
ttl: 300
type: MX
pri: 1
target: smtp.google.com

Servidor de Correo
host: expreso.com.mx
class: IN
ttl: 300
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Información TXT
host: expreso.com.mx
class: IN
ttl: 3600
type: TXT
txt: dailymotion-domain-verification=dmqh9lbqmbxma53l8
entries: Array

Información TXT
host: expreso.com.mx
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:_spf.google.com ~all
entries: Array

Información TXT
host: expreso.com.mx
class: IN
ttl: 3600
type: TXT
txt: google-site-verification=R1mIe7STNff5yZSvu15UebV9CLHLBJHCnMsHd9_zUkI
entries: Array

Registro IPv6
host: expreso.com.mx
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3036::6815:4b6b

Registro IPv6
host: expreso.com.mx
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3030::ac43:dd59