Registro DMARC
v=spf1 a mx ip4:108.179.226.120 ~all

Registro IPv4
host: ecg-web.com
class: IN
ttl: 7200
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: ecg-web.com
class: IN
ttl: 7200
type: SOA
mname: NS27.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 122102113
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600