Registro DMARC
v=spf1 a:static.62.4.99.91.clients.your-server.de a:mailfirewall.org -all

Registro DMARC
v=spf1 a:static.62.4.99.91.clients.your-server.de a:mailfirewall.org -all

Servidores DNS Principal (mname) y Secundario (rname)
host: castinemaine.com
class: IN
ttl: 1800
type: SOA
mname: nash.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2383800741
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Información TXT
host: castinemaine.com
class: IN
ttl: 90
type: TXT
txt: v=spf1 a:static.62.4.99.91.clients.your-server.de a:mailfirewall.org -all
entries: Array