I think it is the RSS feed from your own blog ;-)
Google search returned this for 'donationcoder 2017' as the third result
regular forum - DonationCoder.com Forum - Indexhttps://www.donationcoder.com/forum/
July 16, 2017, 01:24:39 PM; Proudly celebrating 10 years online. Donate now to become a lifetime supporting member
of the site and get a non-expiring license ...
It looks like it predates the recent donations.
10 years, wow, let's celebrate, keep the good work going !