Registro IPv4
host: writing.utoronto.ca
class: IN
ttl: 533
type: A
ip: 142.1.176.100

Servidores DNS Principal (mname) y Secundario (rname)
host: writing.utoronto.ca
class: IN
ttl: 21533
type: SOA
mname: ans1.utoronto.ca
rname: dnsadmin.madhaus.eis.utoronto.ca
serial: 2025082000
refresh: 1200
retry: 180
expire: 1209600
minimum-ttl: 3600