Registro IPv4
host: ISSSTE.COM.mx
class: IN
ttl: 593
type: A
ip: 199.59.243.228

Servidores DNS Principal (mname) y Secundario (rname)
host: ISSSTE.COM.mx
class: IN
ttl: 593
type: SOA
mname: ns1.nodoxy.com
rname: hostmaster.ISSSTE.com.mx
serial: 2025050101
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: ISSSTE.COM.mx
class: IN
ttl: 593
type: MX
pri: 10
target: mail.ISSSTE.com.mx