Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:postmaster@gulfport-ms.gov; ruf=mailto:postmaster@gulfport-ms.gov; fo=1; adkim=s; aspf=s

Registro IPv4
host: gulfport-ms.gov
class: IN
ttl: 77889
type: A
ip: 12.7.44.165

Servidores DNS Principal (mname) y Secundario (rname)
host: gulfport-ms.gov
class: IN
ttl: 77888
type: SOA
mname: cbru.br.ns.els-gms.att.net
rname: rm-hostmaster.ems.att.com
serial: 17
refresh: 86400
retry: 10000
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: gulfport-ms.gov
class: IN
ttl: 77888
type: MX
pri: 10
target: mx-02-us-east-2.prod.hydra.sophos.com

Servidor de Correo
host: gulfport-ms.gov
class: IN
ttl: 77888
type: MX
pri: 10
target: mx-01-us-east-2.prod.hydra.sophos.com

Información TXT
host: gulfport-ms.gov
class: IN
ttl: 77888
type: TXT
txt: v=spf1 mx ip4:12.7.44.164 a:mail.gulfport-ms.gov include:_spf.prod.hydra.sophos.com -all
entries: Array

Información TXT
host: gulfport-ms.gov
class: IN
ttl: 77888
type: TXT
txt: sophos-domain-verification=3fac4888ccee11f8ccded12a531362774b9dc0b3
entries: Array

Información TXT
host: gulfport-ms.gov
class: IN
ttl: 77888
type: TXT
txt: n8sbtid7pkr0fljr8mt4g1gfs4
entries: Array

Información TXT
host: gulfport-ms.gov
class: IN
ttl: 77888
type: TXT
txt: duo_sso_verification=FAydX6LtxcxwFq36q1zFfaOH3xokSks2aAmosllJarHAO1oaNR26Vlz7jYZIph1l
entries: Array