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3 votes

Why do SSL certificates expire?

It's a security measure. If such things hung around forever, it would give crackers more time to obtain the cert surreptitiously. This way, there is an ongoing check to make sure the cert is still in ...
Rob's user avatar
  • 4,638
3 votes

When does a .com domain become available after it expires? (With status clientTransferProhibited)

Does this status prohibit me from getting the domain once it has expired? No. And can I acquire the domain as soon as it expires according to the expiry date on ICANN? No. (And you have to be ...
Patrick Mevzek's user avatar
2 votes

Why do SSL certificates expire?

An X.509 certificate (not SSL certificate that everyone talks about, SSL is dead since 20 years, and certificates can be used outside of the TLS world, and TLS can be done without certificates also) ...
Patrick Mevzek's user avatar
2 votes
Accepted

Add Expires headers to Azure Hosted wordpress

IIS supports header expires, simply add them to your web.config file. Examples: SOURCE <configuration> <system.webServer> <staticContent> <clientCache ...
Simon Hayter's user avatar
2 votes
Accepted

Would changing the expiry header for `analytics.js` from Google Analytics mess things up?

You have no control over the headers of the Google Analytics javascript file, as it is not served by your server. The .htaccess rules you mentioned can only apply to your own files. You'll just have ...
Tim Fountain's user avatar
  • 4,464
1 vote
Accepted

How can I check the certificate validity of an email server?

After reading another post on this site,, I used crt.sh to check my certificates. And it seems that thunderbird is using the previous certificate, which indeed expired on 25th May 2023. It is ...
Rohit Gupta's user avatar
  • 2,515
1 vote

Registry Expiry Date

Are you looking in https://lookup.icann.org/en/lookup, the official ICANN lookup site? If I look there it only has the Registry expiry date which is what I would trust.
Steve's user avatar
  • 8,513

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