Let's Encrypt appears to restrict certificate issuance in certain U.S. sanctioned territories due to legal compliance requirements as per the laws. While this is unfortunate from a security POV for affected users or IT pros, it is understandable given that the organization operates under U.S. laws. It may be worth finding whether similar free certificate services based in other region could help improve secure communications and internet infrastructurre https://letsencrypt.org/documents/LE-SA-v1.7-June-04-2026-diff.pdf