Registro DMARC
v=spf1 ip4:38.38.139.144 -all

Servidores DNS Principal (mname) y Secundario (rname)
host: zelenkanursery.com
class: IN
ttl: 3600
type: SOA
mname: ns01.domaincontrol.com
rname: dns.jomax.net
serial: 2025010300
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 600