dns resolving problem

[moobymoo]

hello
i m having dns resolve problem with some of my domains..the dns of those domain have been changed about 20 days ago and it was working fine and now suddenly it started to resolve it back to old server some of my sites having this problem and other are working fine

can it be possible that while update of cpanel it got changed.any one can help ??

[RACKSET]

When you ping domains, do you see your server IP? If not, WHM -> Edit DNS Zone -> open the domain has issue, and update A records with your server IP.