Registro DMARC
v=DMARC1; p=quarantine; aspf=s; sp=reject

Registro IPv4
host: chulsa.kr
class: IN
ttl: 6701
type: A
ip: 221.143.42.100

Servidores DNS Principal (mname) y Secundario (rname)
host: chulsa.kr
class: IN
ttl: 6700
type: SOA
mname: ns.chulsa.kr
rname: admin.chulsa.kr
serial: 2017012102
refresh: 10800
retry: 900
expire: 604800
minimum-ttl: 86400

Información TXT
host: chulsa.kr
class: IN
ttl: 6701
type: TXT
txt: v=spf1 ip4:221.143.42.100 -all
entries: Array