Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: alpinechallenge.info
class: IN
ttl: 175
type: A
ip: 217.160.0.249

Servidores DNS Principal (mname) y Secundario (rname)
host: alpinechallenge.info
class: IN
ttl: 82975
type: SOA
mname: ns1073.ui-dns.com
rname: hostmaster.1and1.co.uk
serial: 2017061004
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: alpinechallenge.info
class: IN
ttl: 175
type: MX
pri: 10
target: mx01.ionos.co.uk

Servidor de Correo
host: alpinechallenge.info
class: IN
ttl: 175
type: MX
pri: 10
target: mx00.ionos.co.uk

Información TXT
host: alpinechallenge.info
class: IN
ttl: 175
type: TXT
txt: v=spf1 include:_spf-eu.ionos.com ~all
entries: 

Registro IPv6
host: alpinechallenge.info
class: IN
ttl: 175
type: AAAA
ipv6: 2001:8d8:100f:f000::244