Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc+246464@smartemailing.cz; fo=1

Registro IPv4
host: duos.sk
class: IN
ttl: 300
type: A
ip: 104.26.13.146

Registro IPv4
host: duos.sk
class: IN
ttl: 300
type: A
ip: 104.26.12.146

Registro IPv4
host: duos.sk
class: IN
ttl: 300
type: A
ip: 172.67.73.254

Servidores DNS Principal (mname) y Secundario (rname)
host: duos.sk
class: IN
ttl: 1800
type: SOA
mname: grace.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2389669380
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: duos.sk
class: IN
ttl: 600
type: MX
pri: 5
target: mx10.websupport.sk

Servidor de Correo
host: duos.sk
class: IN
ttl: 600
type: MX
pri: 10
target: mx20.websupport.sk

Información TXT
host: duos.sk
class: IN
ttl: 600
type: TXT
txt: google-site-verification=xURSF0ikmus4YybaCGOGvRbIdhxg1Vu5TzGoMWZyknI
entries: Array

Información TXT
host: duos.sk
class: IN
ttl: 600
type: TXT
txt: google-site-verification=q4ySEOKpSXpCXHY4nyCuXZ4Y3fe6B4Gs8i-RHlzOhpY
entries: Array

Información TXT
host: duos.sk
class: IN
ttl: 600
type: TXT
txt: v=spf1 a mx include:_spf.m1.websupport.sk include:spf.smartemailing.cz ?all
entries: Array

Información TXT
host: duos.sk
class: IN
ttl: 600
type: TXT
txt: spf2.0/pra a mx include:_sid.m1.websupport.sk ?all
entries: Array

Registro IPv6
host: duos.sk
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:20::681a:d92

Registro IPv6
host: duos.sk
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:20::ac43:49fe

Registro IPv6
host: duos.sk
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:20::681a:c92