Registro DMARC
v=spf1 include:spf2.esputnik.com include:servers.mcsv.net include:mail.zendesk.com ip4:208.82.16.0/22 ip4:8.6.19.94 a mx ~all

Registro IPv4
host: grasshopper3d.com
class: IN
ttl: 21600
type: A
ip: 208.82.16.68

Servidores DNS Principal (mname) y Secundario (rname)
host: grasshopper3d.com
class: IN
ttl: 21600
type: SOA
mname: ns-1663.awsdns-15.co.uk
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400