Oh,yes,thank for your mention.from cpanel ,I get next data:
using 74.82.161.115 can login site's ftp normally.
but something wrong so that dns error?
Zone File Records
Name TTL Class Type Record Action
mengshi.co.cc. 14400 IN A 74.82.161.116 Edit Delete
localhost.mengshi.co.cc. 14400 IN A 127.0.0.1 Edit Delete
mail.mengshi.co.cc. 14400 IN CNAME mengshi.co.cc Edit Delete
www.mengshi.co.cc. 14400 IN CNAME mengshi.co.cc Edit Delete
ftp.mengshi.co.cc. 14400 IN A 74.82.161.115 Edit Delete
cpanel.mengshi.co.cc. 14400 IN A 74.82.161.116 Edit Delete
whm.mengshi.co.cc. 14400 IN A 74.82.161.116 Edit Delete
webmail.mengshi.co.cc. 14400 IN A 74.82.161.116 Edit Delete
webdisk.mengshi.co.cc. 14400 IN A 74.82.161.116 Edit Delete