F6 Security — per-IP self-ID via f6.security
by shop owners for shop owners.
PTR scan.f6.security (self-ID): 7 IPs aus dem CINS-Abgleich + Nachbar-Range-Scan, jede einzeln reverse-bestätigt. diverse.
internet-wide security scanner (F6). Not an SEO tool. The scan IPs are self-identifying: reverse DNS scan.f6.security. Found in the CINS cross-check and completed via neighbor-range scan — each IP reverse-confirmed (7). Part of our PARC Security feed.
f6.json — view feed f6.security →
Verification — every IP individually
The reverse PTR scan.f6.security can only be set by the IP operator — a non-forgeable ownership hint. Seeded from the actively scanning CINS IPs, completed via reverse scan of the surrounding /24s; each IP confirmed individually:
7 IPs → all PTR f6.security
Reverse-only (forward not consistently checkable, like Shodan/Infrawatch). AbuseIPDB partly lists these at score 100 — they are benign research scanners nonetheless.