Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc@classcentral.com; ruf=mailto:dmarc@classcentral.com; fo=1; pct=100

Registro IPv4
host: classcentral.com
class: IN
ttl: 300
type: A
ip: 104.22.24.156

Registro IPv4
host: classcentral.com
class: IN
ttl: 300
type: A
ip: 104.22.25.156

Registro IPv4
host: classcentral.com
class: IN
ttl: 300
type: A
ip: 172.67.30.18

Servidores DNS Principal (mname) y Secundario (rname)
host: classcentral.com
class: IN
ttl: 1800
type: SOA
mname: arely.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2371734356
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: classcentral.com
class: IN
ttl: 300
type: MX
pri: 10
target: alt3.aspmx.l.google.com

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

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

Servidor de Correo
host: classcentral.com
class: IN
ttl: 300
type: MX
pri: 10
target: alt4.aspmx.l.google.com

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

Información TXT
host: classcentral.com
class: IN
ttl: 300
type: TXT
txt: prowly-verification=b4b5eac2db73d1bf8336e0c31c0ad569d48bca13aa333785f3fc205c9217e6cb
entries: Array

Información TXT
host: classcentral.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:_spf.google.com ~all
entries: Array

Información TXT
host: classcentral.com
class: IN
ttl: 300
type: TXT
txt: ahrefs-site-verification_66d70d81cc769a17be729ca86b4b78a154ce5bdf05a959a3e24fef31f96042e5
entries: Array

Información TXT
host: classcentral.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=MVj1x00m2Sfy8hd2NKzae4A9vNUeb56LeY8lbrCFFMw
entries: Array

Registro IPv6
host: classcentral.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:10::6816:189c

Registro IPv6
host: classcentral.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:10::ac43:1e12

Registro IPv6
host: classcentral.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:10::6816:199c