Registro IPv4
host: business4.cz
class: IN
ttl: 300
type: A
ip: 172.67.145.39

Registro IPv4
host: business4.cz
class: IN
ttl: 300
type: A
ip: 104.21.71.123

Servidores DNS Principal (mname) y Secundario (rname)
host: business4.cz
class: IN
ttl: 1800
type: SOA
mname: coen.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2354142807
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Registro IPv6
host: business4.cz
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3035::6815:477b

Registro IPv6
host: business4.cz
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3035::ac43:9127