202.112.0.33
ns2.cernet.netns2.net.edu.cn
dns.cers.edu.cndns.smth.edu.cnns2.cernet.netns2.net.edu.cn
112.202.in-addr.arpa120.202.in-addr.arpa184.38.202.in-addr.arpa188.38.202.in-addr.arpa197.202.in-addr.arpa199.218.in-addr.arpa202.202.in-addr.arpa205.202.in-addr.arpa27.210.in-addr.arpa34.210.in-addr.arpa46.210.in-addr.arpa65.211.in-addr.arpa6test.edu.cn80.211.in-addr.arpa86.211.in-addr.arpabjnet.edu.cncer.netcernet.comcernet.educernet.edu.cncernet.netcernet2.netcernic.netcers.edu.cnedu.cnnet.edu.cnnic.edu.cnnoc.edu.cnshuang.orgsmth.edu.cnthu.edu.cntsinghua.edutsinghua.edu.cn