Yahoo Mail Help 0
**Username Protected**@rx3:~$ nslookup -type=mx yahoo.ru
Server:         8.8.8.8
Address:        8.8.8.8#53

Non-authoritative answer:
yahoo.ru        mail exchanger = 0 .

Authoritative answers can be found from:

**Username Protected**@rx3:~$ nslookup -type=mx yahoo.com
Server:         8.8.8.8
Address:        8.8.8.8#53

Non-authoritative answer:
yahoo.com       mail exchanger = 1 mta7.am0.yahoodns.net.
yahoo.com       mail exchanger = 1 mta6.am0.yahoodns.net.
yahoo.com       mail exchanger = 1 mta5.am0.yahoodns.net.

Authoritative answers can be found from:

 

And a long time ago my mail yahoo.com account was working fine