Compare domain extensions, prices and documented registrar features.
| Extension / scope | Feature | Support | Mechanism | Price treatment | Exceptions & conditions | Source |
|---|---|---|---|---|---|---|
| .ac.cn 22.cn:mainland-public | DNSSEC | Unknown | Customer submits key tag, algorithm, digest type and digest from external DNS signer in DNSSEC management | Inconnu | Registrar DS management is documented; current suffix matrix and fees unproved. 22.cn own DNS signing is explicitly unsupported. | Source 24 oct. 2026 |
| .ac.cn 22.cn:mainland-public | Confidentialité WHOIS | Yes | CNNIC registry WHOIS suppression with standardized protection details | Payant | Only domains registered with 爱名网; registrant data is still supplied to authorities and disclosed for disputes. Paid agreement conflicts with generic free CN marketing. | Source 24 oct. 2026 |
| .ah.cn 22.cn:mainland-public | DNSSEC | Unknown | Customer submits key tag, algorithm, digest type and digest from external DNS signer in DNSSEC management | Inconnu | Registrar DS management is documented; current suffix matrix and fees unproved. 22.cn own DNS signing is explicitly unsupported. | Source 24 oct. 2026 |
| .ah.cn 22.cn:mainland-public | Confidentialité WHOIS | Yes | CNNIC registry WHOIS suppression with standardized protection details | Payant | Only domains registered with 爱名网; registrant data is still supplied to authorities and disclosed for disputes. Paid agreement conflicts with generic free CN marketing. | Source 24 oct. 2026 |
| .ai 22.cn:mainland-public | DNSSEC | Unknown | Customer submits key tag, algorithm, digest type and digest from external DNS signer in DNSSEC management | Inconnu | Registrar DS management is documented; current suffix matrix and fees unproved. 22.cn own DNS signing is explicitly unsupported. | Source 24 oct. 2026 |
| .ai 22.cn:mainland-public | Confidentialité WHOIS | Unknown | Unknown | Inconnu | Public evidence does not establish this suffix. | Source 24 oct. 2026 |
| .archi 22.cn:mainland-public | DNSSEC | Unknown | Customer submits key tag, algorithm, digest type and digest from external DNS signer in DNSSEC management | Inconnu | Registrar DS management is documented; current suffix matrix and fees unproved. 22.cn own DNS signing is explicitly unsupported. | Source 24 oct. 2026 |
| .archi 22.cn:mainland-public | Confidentialité WHOIS | Unknown | Unknown | Inconnu | Public evidence does not establish this suffix. | Source 24 oct. 2026 |
| .asia 22.cn:mainland-public | DNSSEC | Unknown | Customer submits key tag, algorithm, digest type and digest from external DNS signer in DNSSEC management | Inconnu | Registrar DS management is documented; current suffix matrix and fees unproved. 22.cn own DNS signing is explicitly unsupported. | Source 24 oct. 2026 |
| .asia 22.cn:mainland-public | Confidentialité WHOIS | Unknown | Unknown | Inconnu | Public evidence does not establish this suffix. | Source 24 oct. 2026 |