<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">Hello,<div>Sorry as most likely this has been already discussed, but as I came “late to the party”, there are things that I surely missed.</div><div><br></div><div>About the need to consider CAA also in the MPDV… I’m thinking about this and I fail to see the risk we’re managing by doing it. My rational is that MPDV, once verifies the domain ownership/control, would also imply that records in the DNS (i.e. CAA) are legit.</div><div><br></div><div>The only situation I see where this could apply, is when someone could trick a CAA record during the reuse period of a previously validated domain, so MPDV could verify proper domain control, but the CAA check that must be done for each issuance is faked, but I’d say that faking the CAA could have as only logic purpose to enable another CA to issue the certificate, and that CA would also need to check the domain control using MPDV.</div><div><br></div><div>When you decided to include CAA in the game… what was the logic behind?</div><div><br></div><div>Most likely there’s a good reason that clever people has discussed already, so I’d appreciate if you can help me understand better.</div><div><br></div><div>Thanks!</div><div>Pedro</div><div><div>
<meta charset="UTF-8"><div dir="auto" style="text-align: start; text-indent: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div dir="auto" style="text-align: start; text-indent: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div dir="auto" style="text-align: start; text-indent: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div style="text-align: start; text-indent: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div style="text-align: start; text-indent: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div style="text-align: start; text-indent: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div style="text-align: start; text-indent: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div style="text-align: start; text-indent: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div style="text-align: start; text-indent: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div style="text-align: start; text-indent: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><font style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration: none; -webkit-text-stroke-width: 0px; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; font-weight: normal; line-height: normal; text-align: start; text-indent: 0px;"><b><font color="#f62400" style="font-size: 11px;"><br class="Apple-interchange-newline">WISeKey SA<br></font></b></font><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration: none; -webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: normal; text-align: start; text-indent: 0px;"><font style="color: rgb(0, 0, 0); font-size: 12px; font-weight: normal; font-style: normal;"><span style="font-size: 11px;"><b>Pedro Fuentes<br></b>CSO - Trust Services Manager</span><br><font size="1">Office: + 41 (0) 22 594 30 00<br>Mobile: + 41 (0) </font></font><span style="color: rgb(0, 0, 0); font-size: x-small; font-weight: normal; font-style: normal;">791 274 790</span></div><div style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: normal; text-align: start; text-indent: 0px;"><font style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration: none; -webkit-text-stroke-width: 0px;"><font size="1">Address: </font></font><font size="1">Avenue Louis-Casaï 58 | </font><span style="font-size: x-small;">1216 Cointrin | Switzerland</span></div><div style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: normal; text-align: start; text-indent: 0px;"><font><font size="1" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration: none; -webkit-text-stroke-width: 0px;"><b>Stay connected with <a href="http://www.wisekey.com"><font color="#f62400">WISeKey</font></a><br></b></font></font><span style="caret-color: rgb(0, 0, 0); color: rgb(169, 169, 169); font-size: 10px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration: none; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2;"><br></span></div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration: none; -webkit-text-stroke-width: 0px; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; font-weight: normal; line-height: normal; text-align: start; text-indent: 0px;"><div style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: normal;"><span style="orphans: 2; widows: 2;"><font size="1" color="#78a600"><b>THIS IS A TRUSTED MAIL</b>: This message is digitally signed with a WISeKey identity. If you get a mail from WISeKey please check the signature to avoid security risks</font></span></div><div style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: normal;"><span style="orphans: 2; widows: 2; font-size: 9px;"><font color="#a9a9a9"><br></font></span></div><div style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: normal;"><div style="orphans: 2; widows: 2;"><font color="#a9a9a9" style="font-size: 9px;"><b>CONFIDENTIALITY: </b>This email and any files transmitted with it can be confidential and it’s intended solely for the use of the individual or entity to which they are addressed. If you are not the named addressee you should not disseminate, distribute or copy this e-mail. If you have received this email in error please notify the sender</font></div><div style="orphans: 2; widows: 2;"><font color="#a9a9a9" style="font-size: 9px;"><br></font></div><div style="orphans: 2; widows: 2;"><font color="#a9a9a9" style="font-size: 9px;"><b>DISCLAIMER: </b>WISeKey does not warrant the accuracy or completeness of this message and does not accept any liability for any errors or omissions herein as this message has been transmitted over a public network. Internet communications cannot be guaranteed to be secure or error-free as information may be intercepted, corrupted, or contain viruses. Attachments to this e-mail are checked for viruses; however, we do not accept any liability for any damage sustained by viruses and therefore you are kindly requested to check for viruses upon receipt.</font></div></div></div></div></div></div></div></div></div></div></div></div></div>
</div>
<br></div></body></html>