Retrieve Previous Domain name Whois info

[Bigvenue]

I registered a domain name in january at yahoo which I wanted to give as a gift and change the whois email address.I have forgotten the username/email which I used,How ca I retrieve that information?since yahoo does not respond to my mails.

 

[floatingworld]

hypnotism might be a long-shot to remember your username

 

[deet]

Keep trying to contact Yahoo ?
Thats about the only way

 

[cache]

yahoo has a 800 number you can call.