A high SEO ranking does not automatically indicate a reliable result.
When the WayBack Machine was down a while ago (it responded to traceroute UDP requests, but would not establish TCP connections on ports 80 and 443), the first Google hit for detecting down status (searching for [Archive.is] waybackmachine down – Google Search) failed miserably because it redirected web.archive.org (which fails) to http://www.archive.org (which succeeds):
Luckily when asking around on Twitter:
- others were experiencing the same problem, not just in The Netherlands, but also in other countries
- after trying a few things, the WayBack machine got backup [Archive.is] before I could try cURL.
- I got pointed at www.uptrends.com/tools/uptime which correctly does check the right subdomain and shows it is down from many locations:








