Registro DMARC
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:andrzej@tryga.pl

Servidores DNS Principal (mname) y Secundario (rname)
host: mclista.pl
class: IN
ttl: 1800
type: SOA
mname: brit.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2359291956
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Información TXT
host: mclista.pl
class: IN
ttl: 300
type: TXT
txt: v=spf1 -all
entries: Array

Información TXT
host: mclista.pl
class: IN
ttl: 300
type: TXT
txt: google-site-verification=IT49b6vCasSNEgWkqnyHJbYilo65in5WK-L_rSwQY8U
entries: Array