'''''' is a reserved top-level domain used to test websites or web applications as an alternative to testing webpages using the default localhost. It is guaranteed to never be registered into the Internet.
via Wikipedia infobox
'''''' is a reserved top-level domain used to test websites or web applications as an alternative to testing webpages using the default localhost. It is guaranteed to never be registered into the Internet.
Along with , there are 11 other reserved test domains: , , , , , , , , , , and .
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).