mail1.chinagangtai.com has one IP number (123.100.7.8), via cname to cemail197.ce.net.cn, but the reverse is cemail140.ce.net.cn. Mail.hangzhou-valve.com, mail.nbyanfeng.com, mail ...
Chinagangtai.com is delegated to two name servers, however both delegated name servers are missing in the zone and one other name server is listed. Incoming mail for chinagangtai ...