Registro DMARC
v=spf1 -all

Registro IPv4
host: chem.agilent.com
class: IN
ttl: 3600
type: A
ip: 192.25.126.107

Servidores DNS Principal (mname) y Secundario (rname)
host: chem.agilent.com
class: IN
ttl: 3600
type: SOA
mname: dns1.p06.nsone.net
rname: hostmaster.nsone.net
serial: 1637018752
refresh: 43200
retry: 180
expire: 1209600
minimum-ttl: 300

Información TXT
host: chem.agilent.com
class: IN
ttl: 3600
type: TXT
txt: "v=spf1 a:chem.agilent.com a:dissolution.chem.agilent.com  ip4:54.241.4.208 -all"
entries: Array