Bot intelligence record

Peer39 Crawler

Review first

Peer39 Crawler is a marketing crawler from Peer39 used for search indexing, URL discovery, page rendering, result freshness; it appears in server logs as `Peer39 Crawler`.

Advertising Brand Safety Indexing Documented Confidence: Medium Verified: No robots.txt: Unknown
Operator
Peer39
Family
Peer39
Source type
Observed
Last checked
2026-06-22

User-Agent Pattern

Peer39
Peer39 Crawler
Verification note

User-agent strings are identification signals, not proof of identity. Confirm important allow, block, or rate-limit decisions with logs, DNS or IP evidence, request behavior, or operator documentation when available.

Robots.txt Snippet

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User-agent: Peer39 Crawler
Disallow: /

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Handling Guidance

Depends

Use this record as bot intelligence, then verify the request source and behavior before allowing, blocking, or rate limiting.

Peer39 Crawler is used for search indexing, URL discovery, page rendering, result freshness, and search-quality checks.

Record Details

Structured data
Operator
Peer39
Family
Peer39
Type
Advertising
Purpose
Brand Safety Indexing
Identity type
Documented
Confidence
Medium
Last verified
2026-06-22
Last checked
2026-06-22
Source type
Observed
Verification
Verify Peer39 Crawler by matching `Peer39 Crawler` to Peer39 evidence, then checking reverse DNS, source-network ownership, signed request data, or published crawler documentation when available.
Spoofing risk
Peer39 Crawler has medium spoofing risk because user-agent strings can be copied; pair the match with DNS, IP, behavior, or operator evidence.

Notes

  • Peer39 Crawler is a marketing crawler from Peer39 used for search indexing, URL discovery, page rendering, result freshness, and search-quality checks.
  • Its primary user-agent pattern is Peer39 Crawler; related patterns include peer39-crawler; peer39-crawler-1-0; Peer39 Crawler/1.0.
  • Peer39 Crawler is not independently verified with Medium confidence. The identity type is Documented, and the evidence basis is observed traffic patterns and user-agent evidence.
  • Peer39 Crawler does not have confirmed robots.txt behavior in the available public evidence.
  • Peer39 Crawler should be reviewed against site policy, source evidence, crawl rate, and requested paths before a permanent allow or block rule is created.

Evidence and Source

  • Verify Peer39 Crawler by matching `Peer39 Crawler` to Peer39 evidence, then checking reverse DNS, source-network ownership, signed request data, or published crawler documentation when available.
  • Peer39 Crawler traffic is primarily detected by the `Peer39 Crawler` user-agent pattern; related patterns include `peer39-crawler; peer39-crawler-1-0; Peer39 Crawler/1.0`. Compare source IPs, reverse DNS, request paths, and crawl cadence with Peer39 infrastructure before trusting the traffic.
  • Peer39 Crawler is used for search indexing, URL discovery, page rendering, result freshness, and search-quality checks.
  • Peer39 Crawler has medium spoofing risk because user-agent strings can be copied; pair the match with DNS, IP, behavior, or operator evidence.

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