Registro DMARC
v=DMARC1; p=reject; rua=mailto:dmarc_agg@allegion.com; ruf=mailto:dmarc_fr@allegion.com; adkim=r; aspf=r; pct=100; rf=afrf; sp=reject

Servidores DNS Principal (mname) y Secundario (rname)
host: allegion.ae
class: IN
ttl: 1800
type: SOA
mname: dns1.allegion.com
rname: dns.cloudflare.com
serial: 2377047289
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Información TXT
host: allegion.ae
class: IN
ttl: 1800
type: TXT
txt: v=spf1 -all
entries: Array