404. That’s an error.
The requested URL /add?feedurl=http://www.adanafirmalari.gen.tr/ural:dek:ins:san:tic:ltd:sti:_adaxq903/firma.rss was not found on this server. That’s all we know.
/add?feedurl=http://www.adanafirmalari.gen.tr/ural:dek:ins:san:tic:ltd:sti:_adaxq903/firma.rss