Registro DMARC
v=DMARC1; p=reject; rua=mailto:rua.pph@philips.com

Registro IPv4
host: obmedical.net
class: IN
ttl: 3600
type: A
ip: 3.251.19.161

Servidores DNS Principal (mname) y Secundario (rname)
host: obmedical.net
class: IN
ttl: 3600
type: SOA
mname: ns1.ext.philips.com
rname: ddi-authority.philips.com
serial: 23
refresh: 1200
retry: 300
expire: 1209600
minimum-ttl: 3600