Registro IPv4
host: er.cz
class: IN
ttl: 300
type: A
ip: 45.138.107.20

Registro IPv4
host: er.cz
class: IN
ttl: 300
type: A
ip: 45.138.107.19

Servidores DNS Principal (mname) y Secundario (rname)
host: er.cz
class: IN
ttl: 1800
type: SOA
mname: ns.wedos.net
rname: wedos.wedos.com
serial: 2025052202
refresh: 3600
retry: 1800
expire: 1814400
minimum-ttl: 3600

Servidor de Correo
host: er.cz
class: IN
ttl: 300
type: MX
pri: 20
target: d1f74436139ae32d.mx1.emailprofi.seznam.cz

Servidor de Correo
host: er.cz
class: IN
ttl: 300
type: MX
pri: 10
target: d1f74436139ae32d.mx2.emailprofi.seznam.cz

Información TXT
host: er.cz
class: IN
ttl: 300
type: TXT
txt: v=spf1 a mx ip4:46.28.106.159 ip4:89.221.213.102 ip4:89.221.213.101 ip4:185.82.213.38 ip4:77.78.104.0/24 ip4:185.28.192.0/22 ip4:185.28.193.0/24 include:_spf.we.wedos.net include:spf.seznam.cz ~all
entries: Array