mx: mx.yandex.net.
ns: ns1.cloudns.net.
ns: ns2.cloudns.net.
ns: ns3.cloudns.net.
ns: ns4.cloudns.net.
ns: pns10.cloudns.net.
ns: pns1.cloudns.net.
ns: pns2.cloudns.net.
ns: pns3.cloudns.net.
ns: pns4.cloudns.net.
ns: pns5.cloudns.net.
ns: pns6.cloudns.net.
ns: pns7.cloudns.net.
ns: pns8.cloudns.net.