Registro DMARC
v=DMARC1; p=none; rua=mailto:postmaster@fazenda.gov.br; ruf=mailto:postmaster@fazenda.gov.br; fo=1;

Servidores DNS Principal (mname) y Secundario (rname)
host: fazenda.gov.br
class: IN
ttl: 1800
type: SOA
mname: bsa1.serpro.gov.br
rname: hostmaster.serpro.gov.br
serial: 2024062400
refresh: 14400
retry: 3600
expire: 1814400
minimum-ttl: 3600

Servidor de Correo
host: fazenda.gov.br
class: IN
ttl: 586
type: MX
pri: 0
target: dc02-economia-mx01.mlicloud.com

Servidor de Correo
host: fazenda.gov.br
class: IN
ttl: 586
type: MX
pri: 0
target: mte-mx04.mlicloud.com

Servidor de Correo
host: fazenda.gov.br
class: IN
ttl: 586
type: MX
pri: 0
target: mte-mx03.mlicloud.com

Servidor de Correo
host: fazenda.gov.br
class: IN
ttl: 586
type: MX
pri: 0
target: dc02-economia-mx02.mlicloud.com

Información TXT
host: fazenda.gov.br
class: IN
ttl: 14400
type: TXT
txt: MS=3A675C959BF25AF96C7C723CE423D9F1358CC6BB
entries: Array

Información TXT
host: fazenda.gov.br
class: IN
ttl: 14400
type: TXT
txt: v=spf1 ip4:186.227.197.37/32 ip4:187.45.183.227/32 ip4:161.148.21.192/26 ip4:161.148.50.192/26 ip4:187.108.197.186/32 ip4:187.108.197.187/32 ip4:187.108.197.244/32 ip4:187.108.197.245/32 ip4:187.108.197.246/32 include:spf.protection.outlook.com -all
entries: Array

Información TXT
host: fazenda.gov.br
class: IN
ttl: 14400
type: TXT
txt: MS=ms69708081
entries: Array

Información TXT
host: fazenda.gov.br
class: IN
ttl: 14400
type: TXT
txt: MS=ms18664459
entries: Array