Registro IPv4
host: unitedairlines.com
class: IN
ttl: 90
type: A
ip: 23.38.212.71

Servidores DNS Principal (mname) y Secundario (rname)
host: unitedairlines.com
class: IN
ttl: 21600
type: SOA
mname: vndcdf-fs0000-gma3-vip.ual.com
rname: hostmaster.united.com
serial: 2008061357
refresh: 10800
retry: 3600
expire: 2592000
minimum-ttl: 600

Información TXT
host: unitedairlines.com
class: IN
ttl: 21600
type: TXT
txt: v=spf1 -all
entries: Array