Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc@tom.com

Registro IPv4
host: www.tom.com.3thj0n4b8fls.e.aliyunwaf2.com
class: IN
ttl: 300
type: A
ip: 47.75.233.129

Registro CNAME (Alias)
host: tom.com
class: IN
ttl: 115
type: CNAME
target: www.tom.com.3thj0n4b8fls.e.aliyunwaf2.com

Registro CNAME (Alias)
host: tom.com
class: IN
ttl: 115
type: CNAME
target: www.tom.com.3thj0n4b8fls.e.aliyunwaf2.com