Certificate Expiry for Hacker News.com
news.ycombinator.comMore of an FYI. Always preferred using it over news.ycombinator.com and happened to notice its expired.
What was the original URL? I guess it redirect to the main page and the HN server updates it automatically.
Anyway, send an email to hn@ycombinator.com so dang/tomhow can fix it (or ask the correct person to fix it). Many times threads go unnoticed.