Registro DMARC
v=spf1 +mx +a +ip4:34.213.2.109 ~all

Servidores DNS Principal (mname) y Secundario (rname)
host: uscgaux.info
class: IN
ttl: 7200
type: SOA
mname: NS29.WORLDNIC.COM
rname: namehost.WORLDNIC.COM
serial: 123082517
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Información TXT
host: uscgaux.info
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:108.166.84.35/32 +all
entries: Array