Servidores DNS Principal (mname) y Secundario (rname)
host: city8.com
class: IN
ttl: 180
type: SOA
mname: ns1.dnsv2.com
rname: level3dnsadmin.dnspod.com
serial: 1772772857
refresh: 3600
retry: 180
expire: 1209600
minimum-ttl: 180

Servidor de Correo
host: city8.com
class: IN
ttl: 600
type: MX
pri: 5
target: mx.ym.163.com

Información TXT
host: city8.com
class: IN
ttl: 600
type: TXT
txt: google-site-verification=Y-_msrOqfE0apg_D6Kogy0SZy0xVDgWZPyMoZqa4kMY
entries: Array