When Comodo issues an SSL certificate, they act as a Certificate Authority (CA). Each browser contains a list of trusted CAs. When the SSL handshake occurs, the browser verifies that the server certificate was issued by a trusted CA. If the CA is not trusted, a warning pops up in the browser. When high-security browsers recognize an Extended Validation SSL certificate, they display the name of the CA next to the browser bar. Comodo is one of the most trusted CAs on the Internet.

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CSR Decoder

Use this CSR decoder to verify that it contains the correct information and that the key size is of minimum 2048 bit.

SSL Checker