My site showing not secured in for some users

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My domain is:

Please see the pic , I am facing the issue of connection not secure while opening the site. occasional it shows a different website in the ssl certificate

Hello @Viswa, welcome to the Let's Encrypt community. :slightly_smiling_face:

You might need to update the users Web Browser and / or mobile Operating System.

Please share version numbers.

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its not a specific mobile issue , when i used the chomr brower in my mobile , i was able to open the site while when i used firefox in private mode , i was not able to open. My mobile runs on Andriod 13

What version?

Firefox maintains its own list of trusted anchor certificates.

Also try updating Firefox.

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its 121.1.0 for my mobile and 122.0 (64-bit) for my windows laptop

Using Windows 10 Firefox 122.0 (64-bit) I see this

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Have you cleared your browser caches?


I am not seeing failures.


yes , i cleared the cache and flushed the dns cache . still having the issue . The same issue has been reported by other chrome users also .

Please check this site down checker

Well, I see Port 443 is closed; that would be an issue.

$ nmap -Pn -p80,433
Starting Nmap 7.80 ( ) at 2024-01-24 18:37 UTC
Nmap scan report for (
Host is up (0.25s latency).

80/tcp  open   http
433/tcp closed nnsp

Nmap done: 1 IP address (1 host up) scanned in 0.51 seconds

Edit update: I had checked port 433 by accident and not 443.

$ nmap -Pn -p80,443
Starting Nmap 7.80 ( ) at 2024-01-24 18:46 UTC
Nmap scan report for (
Host is up (0.26s latency).

80/tcp  open  http
443/tcp open  https

Nmap done: 1 IP address (1 host up) scanned in 0.37 seconds
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Yet from here Hardenize Report: it appears open.
Do you have some firewall doing selectively blocking or is there some sort of geo blocking happening?

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And from around the world Permanent link to this check report I see various responses.

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it was working till today afternoon and i didnt make any changes .

Yet from around the world HTTP (i.e. Port 80) seem mostly fine Permanent link to this check report.

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yes . thats the problem . so some its working smoothly but for some users its not opening

Did your ISP make changes they did not tell you about?

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No , they didnt

Also seem client sensitive

$ curl -Ii
curl: (35) error:0A000126:SSL routines::unexpected eof while reading

$ curl -Ii
curl: (56) OpenSSL SSL_read: error:0A000126:SSL routines::unexpected eof while reading, errno 0
$ curl -Ii
HTTP/1.1 301 Moved Permanently
Server: nginx/1.4.6 (Ubuntu)
Date: Wed, 24 Jan 2024 18:51:04 GMT
Content-Type: text/html
Content-Length: 193
Connection: keep-alive
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yes . not happening to everyone. becaue i am still getting response in my database while user use it