Registro DMARC
v=DMARC1; p=reject; rua=mailto:54e942988099626@rep.dmarcanalyzer.com; ruf=mailto:54e942988099626@for.dmarcanalyzer.com; fo=1;

Registro IPv4
host: coursesmartsolutions.net
class: IN
ttl: 7036
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: coursesmartsolutions.net
class: IN
ttl: 7037
type: SOA
mname: NS23.WORLDNIC.COM
rname: namehost.WORLDNIC.COM
serial: 124072512
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Información TXT
host: coursesmartsolutions.net
class: IN
ttl: 3437
type: TXT
txt: v=spf1 -all
entries: Array