Registro DMARC
v=DMARC1; p=reject; sp=reject; aspf=strict;

Registro IPv4
host: had.su
class: IN
ttl: 3600
type: A
ip: 212.8.245.252

Servidores DNS Principal (mname) y Secundario (rname)
host: had.su
class: IN
ttl: 3600
type: SOA
mname: ns1.zomro.net
rname: support.zomro.com
serial: 2017128081
refresh: 3600
retry: 3600
expire: 604800
minimum-ttl: 86400

Información TXT
host: had.su
class: IN
ttl: 3600
type: TXT
txt: v=spf1 -all
entries: Array