Registro DMARC
v=DMARC1; p=none; sp=none; aspf=r; adkim=r; fo=1; ruf=mailto:dmarc@mail.h-net.org; pct=100

Registro IPv4
host: h-net.org
class: IN
ttl: 3600
type: A
ip: 35.9.18.4

Servidores DNS Principal (mname) y Secundario (rname)
host: h-net.org
class: IN
ttl: 900
type: SOA
mname: dns1.h-net.org
rname: drb.msu.edu
serial: 1539120219
refresh: 900
retry: 450
expire: 604800
minimum-ttl: 86400

Información TXT
host: h-net.org
class: IN
ttl: 3600
type: TXT
txt: v=spf1 +mx ip4:35.9.18.0/24 ~all
entries: Array