SISTRIX Crawler

Verifiable

The crawler behind the SISTRIX Toolbox, a German SEO visibility platform. SISTRIX documents that every crawler IP resolves via reverse DNS to the "sistrix.net" domain rather than publishing a static CIDR list.

Operated by SISTRIX · Official documentation

User agents

Patterns this directory matches, with real observed strings.

regexSISTRIX Crawler
observedMozilla/5.0 (compatible; SISTRIX Crawler; http://crawler.sistrix.net/)

How to verify

Reverse-DNS check a client IP

dig -x <client-ip> +short   # expect a hostname matching *.crawler.sistrix.net

Reverse-DNS suffixes: *.crawler.sistrix.net

Good Bot Practices scorecard

Identifies honestly
Stable UA token documented (1 pattern)
Verifiable
Verifiable
Respects robots.txt
Honors robots.txt (token: sistrix)
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.