Registro DMARC
v=DMARC1;p=quarantine;sp=quarantine;rua=mailto:dmarc@help.hubzero.org;pct=100;ri=86400

Registro IPv4
host: nanohub.org
class: IN
ttl: 300
type: A
ip: 128.211.145.64

Servidores DNS Principal (mname) y Secundario (rname)
host: nanohub.org
class: IN
ttl: 3600
type: SOA
mname: ns3.purdue.edu
rname: hostmaster.purdue.edu
serial: 767364945
refresh: 1200
retry: 180
expire: 1209600
minimum-ttl: 3600

Información TXT
host: nanohub.org
class: IN
ttl: 300
type: TXT
txt: v=spf1 +ip4:128.211.145.0/24 +ip4:128.210.1.0/24 +ip4:128.210.5.0/24 +ip4:128.210.210.0/24 include:_spf.salesforce.com -all
entries: Array