Registro IPv4
host: spclass.ir
class: IN
ttl: 300
type: A
ip: 172.67.209.44

Registro IPv4
host: spclass.ir
class: IN
ttl: 300
type: A
ip: 104.21.23.44

Servidores DNS Principal (mname) y Secundario (rname)
host: spclass.ir
class: IN
ttl: 1800
type: SOA
mname: alexa.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2412596478
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Registro IPv6
host: spclass.ir
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3032::6815:172c

Registro IPv6
host: spclass.ir
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3037::ac43:d12c