Registro IPv4
host: portalcrtelecom.com.br
class: IN
ttl: 21600
type: A
ip: 177.87.92.94

Servidores DNS Principal (mname) y Secundario (rname)
host: portalcrtelecom.COM.Br
class: IN
ttl: 300
type: SOA
mname: ns1.portalcrtelecom.com.br
rname: hostmaster.portalcrtelecom.com.br
serial: 2023028357
refresh: 14400
retry: 3600
expire: 2419200
minimum-ttl: 300

Registro IPv6
host: portalcrtelecom.com.br
class: IN
ttl: 86400
type: AAAA
ipv6: 2804:397c:400::84