Registro DMARC
v=DMARC1; p=quarantine;

Servidores DNS Principal (mname) y Secundario (rname)
host: salympetroleum.com
class: IN
ttl: 3600
type: SOA
mname: ns3-l2.nic.ru
rname: dnsmaster.zenon.net
serial: 2014042418
refresh: 7200
retry: 3600
expire: 604800
minimum-ttl: 300

Información TXT
host: salympetroleum.com
class: IN
ttl: 3600
type: TXT
txt: mailru-domain: LT2JzgTSdOlxTNwQ
entries: Array

Información TXT
host: salympetroleum.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:mxsspf.sendpulse.com +a +mx ~all
entries: Array