Certification authorities banned TLDs

For numerous reasons, most of them political and legal, the certification authorities reserve the right not to issue certificate for some TLDs.

each authority goes by its own list. Those lists can be modified at any time and without notice according to the current events.

List of banned TLDs

By Sectigo (Sectigo, TBS X509 and PositiveSSL)

• AF - Afghanistan
• BY - The Republic of Belarus
• CU - Cuba
• ER - Eritrea
• GN - Guinea
• IR - Iran, Islamic Republic of
• KP - Korea, Democratic People's Republic of
• LR - Liberia
• RU - The Russian Federation
• SS - South Sudan
• SY - Syrian Arab Republic
• ZW - Zimbabwe

By DigiCert (DigiCert, Thawte and Geotrust)

• BU - Myanmar
• CU - Cuba
• IR - Iran, Islamic Republic of
• KP - Korea, Democratic People's Republic of
• SY - Syrian Arab Republic
• RU / .РФ - The Russian Federation
• SU - Soviet Union
• UA - Ukraine
• VE - Venezuela

By GlobalSign

• RU - The Russian Federation
• CU - Cuba
• IR - Iran, Islamic Republic of
• KP - Korea, Democratic People's Republic of
• SD - Sudan
• SY - Syrian Arab Republic

Useful links

• Sectigo - List of banned TLDs
• DigiCert - List of banned TLDs