Registro DMARC
v=DMARC1;p=none;

Registro IPv4
host: ctbasses.com
class: IN
ttl: 3600
type: A
ip: 74.208.236.168

Servidores DNS Principal (mname) y Secundario (rname)
host: ctbasses.com
class: IN
ttl: 86400
type: SOA
mname: ns29.1and1.com
rname: hostmaster.1and1.com
serial: 2016092609
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: ctbasses.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mx00.1and1.com

Servidor de Correo
host: ctbasses.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mx01.1and1.com

Información TXT
host: ctbasses.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:_spf-us.ionos.com ~all
entries: Array