Registro DMARC
v=spf1 ip4:198.136.49.101 -all

Servidores DNS Principal (mname) y Secundario (rname)
host: sireweb.com
class: IN
ttl: 1800
type: SOA
mname: curitiba.ns.porkbun.com
rname: dns.cloudflare.com
serial: 2396299100
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Información TXT
host: sireweb.com
class: IN
ttl: 600
type: TXT
txt: v=spf1 ip4:173.254.211.194 ip4:67.23.225.48/29 ip4:198.49.69.237 -all
entries: Array