Registro DMARC
v=DMARC1; p=none

Registro IPv4
host: ceo.ch
class: IN
ttl: 300
type: A
ip: 104.21.80.218

Registro IPv4
host: ceo.ch
class: IN
ttl: 300
type: A
ip: 172.67.187.71

Servidores DNS Principal (mname) y Secundario (rname)
host: ceo.ch
class: IN
ttl: 1800
type: SOA
mname: lloyd.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2339301963
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: ceo.ch
class: IN
ttl: 300
type: MX
pri: 10
target: mail.protonmail.ch

Servidor de Correo
host: ceo.ch
class: IN
ttl: 300
type: MX
pri: 20
target: mailsec.protonmail.ch

Información TXT
host: ceo.ch
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:_spf.protonmail.ch mx ~all
entries: Array

Información TXT
host: ceo.ch
class: IN
ttl: 300
type: TXT
txt: ahrefs-site-verification_869d0251a65bc881445f6dc40f1f1010575528fe214aa33f5c1272455793858b
entries: Array

Información TXT
host: ceo.ch
class: IN
ttl: 300
type: TXT
txt: protonmail-verification=33f4feacc8d14c3594dc052d92b4744f5d586f99
entries: Array

Registro IPv6
host: ceo.ch
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3030::ac43:bb47

Registro IPv6
host: ceo.ch
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3034::6815:50da