Registro DMARC
v=DMARC1; p=reject; fo=1; ri=86400; rua=mailto:bancolombia@rua.agari.com; ruf=mailto:bancolombia@ruf.agari.com,mailto:dmarc@bancolombia.com.co

Servidores DNS Principal (mname) y Secundario (rname)
host: bancolombiagroup.us
class: IN
ttl: 3600
type: SOA
mname: dominios2.bancolombia.com.co
rname: dominios.bancolombia.com.co
serial: 763066394
refresh: 1200
retry: 180
expire: 1209600
minimum-ttl: 3600

Información TXT
host: bancolombiagroup.us
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:201.221.124.82 -all
entries: Array