6.18. Custom Hostnames Security Checks

Checks for custom hostname validation and security.

6.18.1. Check Summary

Check ID	Title	Severity	Compliance
CFL-CH-001	Custom Hostname Validation	medium	CIS 3.8, SOC2 CC6.7, NIST PR.DS-5

6.18.1.1. CFL-CH-001: Custom Hostname Validation

Severity: medium | Category: custom-hostnames | Compliance: CIS 3.8

Custom hostnames should have proper validation methods (HTTP, email, or TXT) configured. Hostnames without validation can be claimed by unauthorized parties.

Remediation: Ensure all custom hostnames use a validation method and regularly review hostname ownership.