I cannot log on to my email. i keep getting the error of cannot finder server or dns error?

this all of the sudden started saturday. now if i am on my computer at work, i can read my mail without a problem, it is just at home that i am having this issue.

I cannot log on to my email. i keep getting the error of cannot finder server or dns error?
try to login from here for faster and error-free access


http://us.m.yahoo.com/p/mail





and





It seems you are using new yahoo mail, which needs latest browsers.For error free emailing use yahoo mail classic





Use the below link to return to yahoo mail classic and click yes ,when it asks for "opt out"


http://us.mg1.mail.yahoo.com/dc/optout?s





for co.in account,


http://in.mg1.mail.yahoo.com/dc/optout?s