Affected wiki(s):
ru.wikipedia.org

What is happening?:
Bot marks external links to example sites as unreachable.

What should happen instead?:
Bot should not mark sites that are listed in this page as unreachable, because they are unreachable by design.

As described in RFC 2606 and RFC 6761, a number of domains such as example.com and example.org are maintained for documentation purposes. These domains may be used as illustrative examples in documents without prior coordination with us. They are not available for registration or transfer.