Here is a list of very long domains. As a matter of fact, you will be not find any longer domain names in the internet, as the size of a domain name is limited to 63 characters.
- thelongestdomainnameintheworldandthensomeandthensomemoreandmore.com
- 3.141592653589793238462643383279502884197169399375105820974944592.eu
- thisisthelongestdomainnamethereisanditssixtysevencharacterslong.com
- halloffameofinternationalincredibleuniquerecordsoutof36thousand.com
This domain names have one major (and not mayor) drawback, they are hard to memorize 