Security Scan: Cloudflare regex outage (July 2019) postmorte

Summary

API

This view is built from:

Scan result: counts, verdicts, details, IPs, technologies, hashes/api/v1/result/11e88772-f53b-47ee-9b87-c73e4466aa23 Domain and IP registration (RDAP)/api/v1/rdap/11e88772-f53b-47ee-9b87-c73e4466aa23How often this domain was scanned/api/v1/domain/stats/past-localhost.pages.dev Scan history for this domain/api/v1/domain/history/past-localhost.pages.dev?limit=15

This website contacted 2 IPs in 1 country across 1 domain to perform 23 HTTP transactions. The main domain is pages.dev and was registered 6 years ago.

Submitted URL: https://past-localhost.pages.dev/part-2/m06-runtime/04-summary/

AI Security Verdict

Safe Website

Confidence: 88%

Risk Score

A technical engineering guide page on pages.dev about runtime internals that reports on the 2019 Cloudflare regex outage. Self-branded, article-typed, no credential or payment forms and no threat-intel, hunting rule or exfiltration signals — nothing malicious.

Safety Factors (5)

Article-typed long-form technical documentation with named author (Douglas Matoso), publication/last-updated date and table of contents

Content is coherent, pedagogical and internally consistent — reads like a real engineering guide

No credential, login, payment or checkout forms; the only form is an on-page search widget with action javascript:void(0)

Machine-learning content classifier tags it 'documentation technical' at 93% confidence

No malware, phishing or exploit indicators from any scanner layer

Domain age information unavailable

Details

Page Title

Cloudflare regex outage (July 2019) postmortem: CPU exhaustion from backtracking (M06 summary)

Scan Type

public

Favicon Hash

MMH3: 1714725194

MD5: 0bda24f7b9fff93da2595817f11c97c6

Domain Name Analysis

Within the developer-focused generic top-level domain (.dev), 'past-localhost.pages.dev' is registered; it also runs on subdomain 'past-localhost'. Its registrable label 'pages' stretches across 5 characters holding two vowels versus three consonants. Word splitting yields 1 word: pages. Expect 5 characters per word on average. No strong language cues emerged from the frequency lists.