Registro DMARC
v=DMARC1; p=reject; pct=0; rua=mailto:re+z923bumgszn@dmarc.postmarkapp.com; sp=none; aspf=r;

Registro IPv4
host: mayfirst.org
class: IN
ttl: 600
type: A
ip: 204.19.241.67

Servidores DNS Principal (mname) y Secundario (rname)
host: mayfirst.org
class: IN
ttl: 13752
type: SOA
mname: a.ns.mayfirst.org
rname: hostmaster.mayfirst.org
serial: 1685489350
refresh: 7200
retry: 180
expire: 2419200
minimum-ttl: 3600

Servidor de Correo
host: mayfirst.org
class: IN
ttl: 600
type: MX
pri: 30
target: c.mx.mayfirst.org

Servidor de Correo
host: mayfirst.org
class: IN
ttl: 600
type: MX
pri: 10
target: a.mx.mayfirst.org

Servidor de Correo
host: mayfirst.org
class: IN
ttl: 600
type: MX
pri: 20
target: b.mx.mayfirst.org

Información TXT
host: mayfirst.org
class: IN
ttl: 600
type: TXT
txt: v=spf1 include:_spf.mayfirst.org ~all
entries: Array

Información TXT
host: mayfirst.org
class: IN
ttl: 600
type: TXT
txt: google-site-verification=W5jBwjnxw7XlkmTzunROQt93dkdJoDmlGhKJAxD6imQ
entries: Array

Registro IPv6
host: mayfirst.org
class: IN
ttl: 3600
type: AAAA
ipv6: 2001:470:1:116::20