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

Servidores DNS Principal (mname) y Secundario (rname)
host: btna.biz
class: IN
ttl: 19477
type: SOA
mname: nsgbr.comlaude.co.uk
rname: dnstech.comlaude.com
serial: 2023030712
refresh: 86400
retry: 7200
expire: 2419200
minimum-ttl: 3600

host: btna.biz
class: IN
ttl: 1477
type: HINFO
cpu: RFC8482
os: 

Información TXT
host: btna.biz
class: IN
ttl: 1477
type: TXT
txt: v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
entries: