Registro DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

Registro IPv4
host: kyndryl.biz
class: IN
ttl: 3600
type: A
ip: 67.199.248.12

Registro IPv4
host: kyndryl.biz
class: IN
ttl: 3600
type: A
ip: 67.199.248.13

Servidores DNS Principal (mname) y Secundario (rname)
host: kyndryl.biz
class: IN
ttl: 3600
type: SOA
mname: dns1.comlaude-dns.com
rname: dnstech.comlaude.com
serial: 1755168660
refresh: 86400
retry: 7200
expire: 2419200
minimum-ttl: 3600