Registro IPv4
host: escom.ipn.mx
class: IN
ttl: 3600
type: A
ip: 148.204.58.225

Servidores DNS Principal (mname) y Secundario (rname)
host: escom.ipn.mx
class: IN
ttl: 3600
type: SOA
mname: dns1.ipn.mx
rname: tic.ipn.mx
serial: 2026090114
refresh: 10800
retry: 3600
expire: 1209600
minimum-ttl: 10800