Registro DMARC
v=spf1 -all

Registro IPv4
host: teachoverseas.ca
class: IN
ttl: 676
type: A
ip: 72.52.179.174

Servidores DNS Principal (mname) y Secundario (rname)
host: teachoverseas.ca
class: IN
ttl: 1800
type: SOA
mname: ns1.digitalocean.com
rname: hostmaster.teachoverseas.ca
serial: 1688746389
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 1800