Registro IPv4
host: webmath.com
class: IN
ttl: 90
type: A
ip: 18.168.131.1

Registro IPv4
host: webmath.com
class: IN
ttl: 90
type: A
ip: 18.170.133.59

Registro IPv4
host: webmath.com
class: IN
ttl: 90
type: A
ip: 18.135.192.165

Servidores DNS Principal (mname) y Secundario (rname)
host: webmath.com
class: IN
ttl: 900
type: SOA
mname: ns-923.awsdns-51.net
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400