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Your DNS has two IP addresses specified for your site. Only one of the two has a server with properly configured security certificates. When you have two A records for the same host name, it is known as "round robin" DNS. Clients will randomly try to connect to one or the other. Some modern browsers may try both of them to see which works, which may be ...


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I would say this depends on what is going on the website along with your ability to implement the solution, also whether you have subdomains. Gauging by your question, you seem to have the ability to do any of the solutions. Your websites content. I would suggest using a paid SSL if you are an e-commerce site or is a multi-site. Mainly due to the warranty ...


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HTTP redirects happen AFTER the TLS handshake. For the TLS handshake to be successful, the server has to present a valid certificate, having in it the hostname that is in the URL being accessed, otherwise browsers will show errors. So the rule is simple: as soon as you see an https:// URL, even if all accesses to it are finally redirected to another URL, ...


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