What is DigiCert DCV?
DigiCert DCV is a specialized automated agent operated by DigiCert to facilitate the issuance of digital certificates. It functions as a verification mechanism that confirms an applicant's control over a specific domain before a Certificate Authority (CA) issues an SSL/TLS certificate. By programmatically checking for specific files or DNS records on a target server, the bot ensures that only authorized parties can obtain certificates for a given domain, thereby maintaining the integrity of the global PKI ecosystem.
Identification
DigiCert DCV BotHow we rated this bot
Verified by Cloudflare, which confirms who runs it, with no widespread reports of abuse.
What we read
- google ignoring robots.txt ? - Google Search Central Community
- Where did Perplexity say they would obey robots.txt ... - Hacker News
- Beyond robots.txt: Exposing the Cracks in AI Agent Policy Enforcement
- Meta Has New Web-Crawling Bots That Sneakily Get Around Robots.txt - Business Insider
- DigiCert Using MPIC to Verify Domain Control and Perform CAA Checks
Why it crawls your site
The bot crawls websites to perform Domain Control Validation (DCV), a mandatory security step required by industry standards for certificate issuance. It verifies that the entity requesting a certificate has administrative access to the domain by looking for specific tokens or configuration markers. Site administrators can verify the legitimacy of this traffic by checking the User-Agent string against DigiCert's published documentation or by allowlisting the specific IP ranges provided by DigiCert for their validation services.
Block or allow DigiCert DCV
Add a Disallow rule for DigiCert DCV Bot in your robots.txt file. You can also block at the server level using your web server configuration or CDN firewall rules to filter requests matching the user-agent string.
# Block DigiCert DCV from crawling your entire site User-agent: DigiCert DCV Bot Disallow: / # Allow DigiCert DCV full access User-agent: DigiCert DCV Bot Allow: /
Ensure your robots.txt allows DigiCert DCV Bot. Verify requests are genuine by checking the user-agent string and referring to DigiCert's documentation.
Traffic & trends
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Links & references
Data sources
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