[1] [CITE@en[RFC 6844 - DNS Certification Authority Authorization (CAA) Resource Record]]
([TIME[2015-03-15 21:22:05 +09:00]] 版)
<https://tools.ietf.org/html/rfc6844>

[2] [CITE['''['''cabfpub''']''' Results on Ballot 187 - Make CAA Checking Mandatory]]
( ([TIME[2017-03-16 06:42:26 +09:00]]))
<https://cabforum.org/pipermail/public/2017-March/009988.html>

[3] [CITE@en[RFC 6844 - DNS Certification Authority Authorization (CAA) Resource Record]]
( ([TIME[2017-03-05 18:55:50 +09:00]]))
<https://tools.ietf.org/html/rfc6844>

[4] [CITE[RFC Errata Report » RFC Editor]]
( ([TIME[2017-03-18 15:48:42 +09:00]]))
<https://www.rfc-editor.org/errata_search.php?rfc=6844>

[5] [CITE@ja[DNS CAA とは:SSL | DigiCert]]
( ([TIME[2017-03-15 09:50:13 +09:00]]))
<https://rms-digicert.ne.jp/howto/basis/caa.html>