Registro IPv4
host: simtk.org
class: IN
ttl: 300
type: A
ip: 171.64.65.11

Servidores DNS Principal (mname) y Secundario (rname)
host: simtk.org
class: IN
ttl: 300
type: SOA
mname: ns1.simtk.org
rname: webmaster.simtk.org
serial: 20130322
refresh: 28800
retry: 14400
expire: 3600000
minimum-ttl: 300

Servidor de Correo
host: simtk.org
class: IN
ttl: 300
type: MX
pri: 1
target: lists.simtk.org

Servidor de Correo
host: simtk.org
class: IN
ttl: 300
type: MX
pri: 1
target: mail.simtk.org

Información TXT
host: simtk.org
class: IN
ttl: 780
type: TXT
txt: v=spf1 ip4:171.64.64.25 ip4:171.64.64.26 ip4:171.64.64.27 ip4:171.64.65.11 ip4:171.67.219.64/27 ip4:171.67.224.0/28 ip4:171.67.43.137 ip4:171.67.43.138 ip4:171.67.43.139 ip4:171.67.43.140 ip4:171.67.43.141 include:_spf.google.com include:_spf.qualtrics.com include:icpbounce.com ip4:148.163.149.245 ip4:148.163.153.235 ip4:148.163.135.119 ip4:148.163.139.119 ?all
entries: Array

Información TXT
host: simtk.org
class: IN
ttl: 780
type: TXT
txt: google-site-verification=Xx_aAa-prZwVtJQMyopBPhnPrmNl3nL01pmkKP3m0Hw
entries: Array