标题: 21cn的退信,请赐教! [打印本页] 作者: hurrylai 时间: 2010-8-17 11:26 标题: 21cn的退信,请赐教! 550 (ID:10.27.2.3-1282013000-89130) no MX or A record for this domain, Inbound SMTP server 233; Time: 20100817,10:43:20
在服务器上NSLOOKUP
> set q=mx
> 21cn.com
Server: UnKnown
Address: 210.21.112.132
Non-authoritative answer:
21cn.com MX preference = 10, mail exchanger = mta.21cn.com
21cn.com nameserver = cdnns.21cn.com
mta.21cn.com internet address = 59.36.102.50
mta.21cn.com internet address = 59.36.102.51
cdnns.21cn.com internet address = 218.107.61.49
cdnns.21cn.com internet address = 58.211.81.95
cdnns.21cn.com internet address = 59.36.102.160