Registro DMARC
v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:chemical-abstracts-service@rua.dmp.cisco.com; ruf=mailto:chemical-abstracts-service@ruf.dmp.cisco.com

Registro IPv4
host: chempreprints.org
class: IN
ttl: 7200
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: chempreprints.org
class: IN
ttl: 7200
type: SOA
mname: NS13.WORLDNIC.COM
rname: namehost.WORLDNIC.COM
serial: 123112212
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Información TXT
host: chempreprints.org
class: IN
ttl: 7200
type: TXT
txt: v=spf1 -all
entries: Array