OK
reachable
You:
Bot 100.0%
Low
AhrefsBot ahrefs.com
· AhrefsBot 7.0 Bot
GoodBot
Policy:
rate-limit-search
Probability
99 %
Confidence
95 %
Risk Profile
VeryHigh
Threat
None
Hit Count
2
Last Seen
now
Analysis
AhrefsBot ahrefs.com on /sitemap.xml - caught by Cryptographically signed AI bot (Web Bot Auth RFC 9421) f..., Known bot pattern: AhrefsBot, TLS connection appears normal
Detection Signals
- ↑ Heuristic model (late): 99 % bot likelihood (284 features) 2.43
- ↑ Cryptographically signed AI bot (Web Bot Auth RFC 9421) from "https://ahrefs.com" 1.90
- ↑ Known bot pattern: AhrefsBot 1.35
- ↑ Heuristic model (early): 78 % bot likelihood (19 features) 1.14
- ↓ IP appears normal: 51.75.236.xxx 0.15
- ↓ Headers appear normal 0.15
Drift vs
48.4%
Fingerprint Profile
TLS Version
TLSv1.3
HTTP Protocol
HTTP/2
Protocol Client
TLS_AES_256_GCM_SHA384
TCP OS Hint
Unavailable
Fingerprint Integrity
Suspect
UA Consistency
Flagged
Headless Indicator
Low
Datacenter IP
Clean
Browser modes same browser, different modes. One row per persisted mode
| Mode | Observations | Maturity | Shift from baseline | Last seen |
|---|---|---|---|---|
| bot-raw | 3149 | 3149 | 0.00 (header order hash, upgrade insecure requests, ua family) | 12:04:07 |
| sub-resource | 3 | 3 | 0.42 (header order hash, ua family, header case pattern) | 15:48:57 |
| signalr-negotiate | 1 | 1 | 0.49 (ua family, header order hash, referer host family) | 15:48:44 |
| navigation | 7 | 7 | 0.50 (upgrade insecure requests, ua family, header order hash) | 00:14:28 |
4 modes across 3160 observations. See composite browser-mode fingerprints.
Endpoints Visited (2) Click to expand · stats unavailable
| # | Path |
|---|---|
| 1 | /sitemap.xml |
| 2 | /_content/Mostlylucid.BotDetection.UI/vendor/js/idiomorph-ext.min.js |
Raw Requests (2) Click to expand
| Time | Method | Path | Status | Prob | Conf | Risk Profile | Action | Time |
|---|---|---|---|---|---|---|---|---|
| 09:00:14 | GET | /sitemap.xml | 200 | 100 % | 50 % | VeryHigh | rate-limit-search | 358.2ms |
| 06:12:42 | GET | /_content/Mostlylucid.BotDetection.UI/vendor/js/idiomorph-ext.min.js | 200 | 100 % | 50 % | VeryHigh | rate-limit-search | 233.9ms |
Bot Probability & Confidence History
StyloBot Detection Overhead (ms)
User Agent
Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
Detector Contributions (18 detectors)
| Detector | Confidence Delta | Timing (ms) |
|---|---|---|
|
HeuristicLate
Heuristic model (late): 99 % bot likelihood (284 features)
|
+0.973 | 0.5 |
|
AiScraper
Cryptographically signed AI bot (Web Bot Auth RFC 9421) from "https://ahrefs.com"
|
+0.950 | 0.3 |
|
UserAgent
Known bot pattern: AhrefsBot
|
+0.900 | 0.2 |
|
Heuristic
Heuristic model (early): 78 % bot likelihood (19 features)
|
+0.569 | 0.2 |
|
Ip
IP appears normal: 51.75.236.xxx
|
-0.150 | 1.3 |
|
Header
Headers appear normal
|
-0.150 | 0.0 |
|
Behavioral
Request patterns appear normal
|
-0.150 | 0.1 |
|
TlsFingerprint
TLS connection appears normal
|
-0.150 | 0.0 |
|
TcpIpFingerprint
Missing connection reuse header (unusual for real browsers)
|
+0.200 | 0.0 |
|
VerifiedBot
rDNS mismatch: UA claims ahrefs.com but rDNS is proxy-fr001-san129.ahrefs.net
|
+0.250 | 345.1 |
|
Http2Fingerprint
No HTTP/2 stream priority (browsers typically use this)
|
+0.050 | 0.0 |
|
AI
AI analysis: borderline case, monitoring
|
+0.000 | 10.4 |
|
SecurityTool
No security tools detected in User-Agent
|
+0.000 | 0.0 |
|
RequestHydrator
Request signals hydrated to sink
|
+0.000 | 0.0 |
|
Http3Fingerprint
Connection uses HTTP/2 (not HTTP/3)
|
+0.000 | 0.0 |
|
HeaderCorrelation
Single signature per header profile
|
+0.000 | 0.0 |
|
TransportProtocol
Transport protocol analysis complete
|
+0.000 | 0.0 |
|
FastPathReputation
No known patterns in reputation cache
|
+0.000 | 0.0 |
Signal Intelligence
h2
protocol
h2
request
protocol
HTTP/2
accept_encoding
gzip, br
risk
justification
Classified GoodBot (probability 1.00, confidence 0.50)
friendly_pin_trace
skipped:no_corroboration (UA claims AhrefsBot ahrefs.com as GoodBot)
tls
cipher
TLS_AES_256_GCM_SHA384
Version
TLSv1.3
version
TLSv1.3
Policy applied
Hit history
No sessions recorded yet.
Sessions are created when a visitor's activity gap exceeds 30 minutes.
Effective policy
Loading effective policy…
ASP.NET Pack — Auth health
JWKS reachable
Licensed
ASP.NET pack enabled
OTel Mesh — Traces
Fingerprint timeline
fbb975cff7f548979ac34955b2034d9a
0 observations
Span + log activity for this fingerprint, ordered by timestamp.
No timeline observations
OTel Mesh receiver online, but no observations seen for this fingerprint id (check W3C baggage propagation)
Operator actions
Operator actions
Block/Allow writes a scoped policy rule for this fingerprint — a policy action, applied via the live policy pipe. It is never a skip-detection bypass.
Signature:
hEhOME4-L43Z5wveBC9ydA
|
Processing: 358ms
|
Country: FR
|
UA: Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
|
First seen: 2026-07-21 06:12:42 UTC