Registro DMARC
v=DMARC1; p=reject; rua=mailto:abuse@mantech.com; ruf=mailto:abuse@mantech.com

Registro DMARC
v=DMARC1; p=reject; rua=mailto:abuse@mantech.com; ruf=mailto:abuse@mantech.com

Registro DMARC
v=DMARC1; p=reject; rua=mailto:abuse@mantech.com; ruf=mailto:abuse@mantech.com

Servidores DNS Principal (mname) y Secundario (rname)
host: mantechinternational.com
class: IN
ttl: 21600
type: SOA
mname: a1-210.akam.net
rname: hostmaster.mantechinternational.com
serial: 2025062700
refresh: 3600
retry: 600
expire: 604800
minimum-ttl: 300

Información TXT
host: mantechinternational.com
class: IN
ttl: 1800
type: TXT
txt: v=DMARC1; p=reject; rua=mailto:abuse@mantech.com; ruf=mailto:abuse@mantech.com
entries: Array

Información TXT
host: mantechinternational.com
class: IN
ttl: 1800
type: TXT
txt: v=spf1 -all
entries: Array

Información TXT
host: mantechinternational.com
class: IN
ttl: 1800
type: TXT
txt: v=DKIM1; p=
entries: Array