My wiki mht.branchable.com, started 18 months ago, gives an SSL error when trying to access it, because the certificate is issued to "missingsite.branchable.com."

Furthermore, after adding a security exception, the wiki only displays the text "The site mht.branchable.com is not here yet."

There should be a dozen pages on the wiki, but it has done this intermittently for all 18 months of the wiki's existence. My other two wikis, both started 4 years ago (subdomains safety and hhwl), have never had this problem.

I tried starting a new wiki with the name/subdomian skunky today. It displayed the same behavior as mht. I am unable to branch, delete, or edit either of these two wikis (mht, skunky) using the web interface.