Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: ducomsoft.com
class: IN
ttl: 1865
type: A
ip: 217.160.0.70

Servidores DNS Principal (mname) y Secundario (rname)
host: ducomsoft.com
class: IN
ttl: 84666
type: SOA
mname: ns1124.ui-dns.com
rname: hostmaster.1and1.com
serial: 2017062001
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: ducomsoft.com
class: IN
ttl: 1865
type: MX
pri: 10
target: mx01.ionos.com

Servidor de Correo
host: ducomsoft.com
class: IN
ttl: 1865
type: MX
pri: 10
target: mx00.ionos.com

Información TXT
host: ducomsoft.com
class: IN
ttl: 1865
type: TXT
txt: v=spf1 include:_spf-us.ionos.com ~all
entries: Array

Registro IPv6
host: ducomsoft.com
class: IN
ttl: 1865
type: AAAA
ipv6: 2001:8d8:100f:f000::200