Overview
Cloudflare Custom Hostname Verification is a verification service operated by Cloudflare to check customer hostnames and domain-association state.
Its primary user-agent pattern is Cloudflare Custom Hostname Verification; related patterns include Cloudflare CHV; Custom Hostname Verification.
Cloudflare Custom Hostname Verification is Verified from current authoritative identity documentation reviewed on 2026-08-07. The identity type is Official Documented.
Robots.txt behavior is not currently confirmed.
Cloudflare Custom Hostname Verification should be reviewed against site policy, source evidence, crawl rate, and requested paths before a permanent allow or block rule is created.
Identity
- User-Agent Pattern
-
Cloudflare Custom Hostname Verification - Aliases
- Cloudflare CHV; Custom Hostname Verification
- HTTP Agent Examples
-
Cloudflare Custom Hostname Verification - Robots Token
- Cloudflare Custom Hostname Verification
- Identity Type
- Officially documented
- Evidence Method
- Match `Cloudflare Custom Hostname Verification` to the current operator documentation and corroborate the request with operator-controlled verification signals where available; User-Agent strings alone can be spoofed.
Classification
- Type
- Verification
- Kind
- Verification
- Family
- Cloudflare
- Purpose
- Hostname verification
Behavior and handling
- Common Use
- Checks customer hostnames and domain-association state.
- Detection Notes
- Cloudflare Custom Hostname Verification traffic is primarily detected by the `Cloudflare Custom Hostname Verification` user-agent pattern; related patterns include `Cloudflare CHV; Custom Hostname Verification`. Compare source IPs, reverse DNS, request paths, and crawl cadence with Cloudflare infrastructure before trusting the traffic.
- Respects robots.txt
- Unknown
- Spoofing Risk
- Cloudflare Custom Hostname Verification has medium spoofing risk because the user-agent can be copied, even when the bot has strong source or documentation support.
- Risk
- Neutral
- Recommended Handling
- Depends
Rules and controls
- Robots.txt Snippet
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# robots.txt behavior is unconfirmed. Do not rely on this rule without verification.
Relationships
- Operator
- Cloudflare Checked 2026-08-07
Relationships without an Evidence link are normalized from the canonical directory record. They should not be interpreted as independent proof of physical presence or request origin.