WikiApiary lists 3,000 MediaWiki sites as defunct. https://wikiapiary.com/wiki/Category:Defunct_website For instance, Wikkii wikis are down because the host closed. 

Your task is to look up the following 20 wikis from the list https://www.mediawiki.org/wiki/WikiReleaseTeam/Google_Code-in_2014/Research_WikiApiary_Sites_Listed_as_Defunct/21-40and find out what happened.

For each wiki:

1. open its WikiApiary page, for instance https://wikiapiary.com/wiki/AlexHayesHatesEverything ;
2. open the URL of the wiki;
3. if the wiki works correctly, edit the page on WikiApiary to mark it as "Defunct: No";
4. if the wiki is down, search information about the domain on web.archive.org and search engines to discover why;
5. note down what happened on https://www.mediawiki.org/wiki/WikiReleaseTeam/Google_Code-in_2014/Research_WikiApiary_Sites_Listed_as_Defunct/21-40

You can ask questions on the talk page of the list https://www.mediawiki.org/w/index.php?title=Talk:WikiReleaseTeam/Google_Code-in_2014/Research_WikiApiary_Sites_Listed_as_Defunct/21-40&action=edit&redlink=1

Students are required to read Wikimedia's general instructions at https://www.mediawiki.org/wiki/Google_Code-in_2014#Instructions_for_GCI_students first, as well as to register on WikiApiary. https://wikiapiary.com/wiki/Special:CreateAccount