檢視 DNS CAA 的原始碼

[[Category:DNS]]
[[Category:CA]]
DNS Certification Authority Authorization

DNS 憑證頒發機構授權，簡稱：CAA

一種網際網路安全政策機制，允許域名持有人指定可以為其域簽發憑證的憑證頒發機構。

該政策憑藉一個新的域名系統資源記錄「CAA」來實現。
== DNS 設定 ==
* 禁用憑證 - 單一位址
 @	IN	CAA	0 issue ";"
* 禁用憑證 - Wildcard
 @	IN	CAA	0 issuewild ";"
* Let's Encrypt 免費憑證 - 單一位址
 @	IN	CAA	0 issue "letsencrypt.org"
* Let's Encrypt 免費憑證 - Wildcard
 @	IN	CAA	0 issuewild "letsencrypt.org"
* Gandi SSL 憑證 - 單一位址
 @	IN	CAA	0 issue "sectigo.com"
* Gandi SSL 憑證 - Wildcard
 @	IN	CAA	0 issuewild "sectigo.com"
* IODEF - E-Mail
 @	IN	CAA	0 iodef "mailto:iodef@donnet.email"
* IODEF - API
 @	IN	CAA	0 iodef "http://api.opensoft.cc/iodef/report.aspx"
== Windows DNS 設定 ==
Windows DNS 沒有支援 CAA
* 禁用憑證 - 單一位址
 @	IN	TYPE257	\# 8 000569737375653B
* 禁用憑證 - Wildcard
 @	IN	TYPE257	\# 12 0009697373756577696C643B
* Let's Encrypt 免費憑證
 @	IN	TYPE257	\# 22 000569737375656C657473656E63727970742E6F7267
* Gandi SSL 憑證 - 單一位址
 @	IN	TYPE257	\# 18 000569737375657365637469676F2E636F6D
* Gandi SSL 憑證 - Wildcard
 @	IN	TYPE257	\# 22 0009697373756577696C647365637469676F2E636F6D
* IODEF - E-Mail
 @	IN	TYPE257	\# 32 0005696F6465666D61696C746F3A696F64656640646F6E6E65742E656D61696C
* IODEF - API
 @	IN	TYPE257	\# 47 0005696F646566687474703A2F2F6170692E6F70656E736F66742E63632F696F6465662F7265706F72742E61737078