Start of Authority
mname: ns1.dns.net.vn
rname: webmaster.dns.net.vn
serial: 1639760212
refresh: 7200 retry: 1800
expire: 1209600 minimum: 3600
serial: 1639760212
refresh: 7200 retry: 1800
expire: 1209600 minimum: 3600
Mail Exchangers