Registro IPv4
host: ymstudy.cn
class: IN
ttl: 300
type: A
ip: 172.67.221.18

Registro IPv4
host: ymstudy.cn
class: IN
ttl: 300
type: A
ip: 104.21.62.72

Servidores DNS Principal (mname) y Secundario (rname)
host: ymstudy.cn
class: IN
ttl: 1800
type: SOA
mname: ns1.hhhdns.com
rname: dns.cloudflare.com
serial: 2340328071
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Registro IPv6
host: ymstudy.cn
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3037::6815:3e48

Registro IPv6
host: ymstudy.cn
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3037::ac43:dd12