Streamline3Bot
VerifiableUBT's web crawler, which powers a classification service that categorises public websites by their content. It re-crawls a given site roughly once every three days. UBT publishes no IP list, and instead documents reverse-DNS verification against the ubtsupport.com domain.
Operated by UBT (EU) Ltd · Official documentation
User agents
Patterns this directory matches, with real observed strings.
- regexStreamline3Bot
- observedMozilla/5.0 (compatible; MSIE 8.0; Windows NT 5.1) Streamline3Bot/1.0
- observedMozilla/5.0 (Windows NT 6.1; Win64; x64; +https://www.ubtsupport.com/legal/Streamline3Bot.php) Streamline3Bot/1.0
How to verify
Reverse-DNS check a client IP
dig -x <client-ip> +short # expect a hostname matching *.ubtsupport.com Reverse-DNS suffixes: *.ubtsupport.com
Good Bot Practices scorecard
- Identifies honestly
Stable UA token documented (1 pattern)
- Verifiable
Verifiable
- Respects robots.txt
Does not honor robots.txt
- Behaves
Crawl-rate behavior is operator-declared; not machine-verifiable from this dataset
- Reachable operator
Operator and documentation published
Measured against the Good Bot Practices.