Every Certificate Authority (CA) has its own rules and its own list of disallowed domains or restricted regions/countries. These rules are also shaped by the embargo regulations of the country where the CA is headquartered.
Sectigo, Comodo, GoGetSSL restricted regions
- BY – Republic of Belarus
- CU – Cuba
- IR – Iran
- KP – Democratic People's Republic of Korea
- RU – Russian Federation
- SY – Syrian Arab Republic
- VE – Venezuela (government-owned/-controlled entities)
- GOV.VE – Venezuela
- Crimea
- Donetsk People's Republic
- Luhansk People's Republic
DigiCert, RapidSSL, Thawte, GeoTrust restricted regions
- RU – Russian Federation
- BY – Republic of Belarus
- CU – Cuba
- IR – Iran
- SY – Syria
- KP – Democratic People's Republic of Korea
- Crimea
- Donetsk People's Republic
- Luhansk People's Republic
- Venezuela
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