Nameservers *cannot* be CNAMEs. In this case both nameservers listed in the parent zone are CNAMEs. The delegation needs to be fixed.
Mark ns3.mrdns.net. 43099 IN CNAME ns1.1stchina.cn. ns1.1stchina.cn. 43100 IN A 60.29.231.62 ns4.mrdns.net. 43133 IN CNAME ns2.1stchina.cn. ns2.1stchina.cn. 43133 IN A 210.51.25.215 21photo.cn. 21600 IN NS ns4.mrdns.net. 21photo.cn. 21600 IN NS ns3.mrdns.net. ;; Received 77 bytes from 202.112.0.44#53(ns.cernet.net) in 1554 ms www.21photo.cn. 43200 IN A 222.73.254.150 21photo.cn. 43200 IN NS ns1.1stchina.cn. 21photo.cn. 43200 IN NS ns2.1stchina.cn. ;; Received 125 bytes from 60.29.231.62#53(ns3.mrdns.net) in 1766 ms -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
