Registro DMARC
v=DMARC1; p=none; sp=none;

Registro IPv4
host: ultracom.nl
class: IN
ttl: 204
type: A
ip: 185.104.29.164

Servidores DNS Principal (mname) y Secundario (rname)
host: ultracom.nl
class: IN
ttl: 204
type: SOA
mname: ns.zxcs.nl
rname: hostmaster.ultracom.nl
serial: 2026101703
refresh: 600
retry: 3600
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: ultracom.nl
class: IN
ttl: 204
type: MX
pri: 10
target: spamrelay.zxcs.nl

Información TXT
host: ultracom.nl
class: IN
ttl: 204
type: TXT
txt: v=spf1 a mx ip4:185.104.29.164 ip6:2a06:2ec0:1:0:0:0:0:165 include:filter-out.zxcs.nl ~all
entries: v=spf1 a mx ip4:185.104.29.164 ip6:2a06:2ec0:1:0:0:0:0:165 include:filter-out.zxcs.nl ~all

Registro IPv6
host: ultracom.nl
class: IN
ttl: 204
type: AAAA
ipv6: 2a06:2ec0:1::165