Registro DMARC
v=DMARC1; p=reject; fo=0; rua=mailto:dmarc-reports@dhl.com;

Registro IPv4
host: dhl.co.ls
class: IN
ttl: 300
type: A
ip: 159.60.134.155

Servidores DNS Principal (mname) y Secundario (rname)
host: dhl.co.ls
class: IN
ttl: 49238
type: SOA
mname: ns1.f5clouddns.com
rname: netmaster.dhl.com
serial: 2016111993
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 600

Información TXT
host: dhl.co.ls
class: IN
ttl: 507
type: TXT
txt: v=spf1 -all
entries: Array