TLSA Validator is a social & communication chrome extension. it's a free extension , it has 1,000+ active users since released its first version, it earns an average rating of 4.09 from 23 rated user, last update is 3542 days ago.
TLSA Validator allows you to check the existence and validity of DNSSEC signed DNS records for domains. If a valid DNSSEC chain to the domain is found it will also check for the existence of TLSA records. TLSA records can store hashes of remote server TLS/SSL certificates. The authenticity of a TLS/SSL certificate for a domain name is verified by DANE protocol (RFC 6698). DNSSEC and TLSA validation results are displayer by using several icons. Additional explanatory texts are shown in the page’s address bar. Clicking on a given icon symbol reveals more detailed security information. IMPORTANT! This add-on communicates with an external binary application through the native messaging interface. The binary application is required for correct working of the add-on. The binary can be downloaded from www.dnssec-validator.cz/pages/download.html#package. Keep in mind that the version of the binary and of the extension must match.
You could download the latest version crx file or older version files and install it.
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The module had stopped working, and they had official announcement about this on there website. https://www.dnssec-validator.cz/
Doesn't work in Chrome latest.
The DNSSEC works great but the real problem behind TLSA is that most hosting companies and DNS registrars don't support this. It is too new and not widely adopted. We asked our registrar and they told us that TLSA is being looked at but is not supported yet. Also our business hosting company has no support for this. At that point most website owners will abandon TLSA until it is supported. Yes, you can do it manually but that is not very simple and most people should not attempt this. This is the domain of skilled system administrators. Of course we will study it a bit more and see if we can get this working in the future.