mail.sjet.co.kr

mname: sjet.co.kr rname: postmaster.sjet.co.kr
serial: 20150629
refresh: 10800 retry: 3600
expire: 3600000 minimum: 43200

ns.sjet.co.kr, ns1.sjet.co.kr, ns2.sjet.co.kr, ns3.sjet.co.kr

v=spf1 ip4:112.175.85.241 ~all