Can't access our zoho desk portal

Can't access our zoho desk portal

Dear Sir,

Today, I can't access our zoho desk portal
https://service.c4ecomputer.com/support/c4eho/ShowHomePage.do

I accidentally deleted CName Record in Domain DNS record.

So, now I need for mapping portal address to CName Record.
Please support me our portal address.

Thanks
Myo Wai