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Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. crt.sh | example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.

My domain is:taha.behrooz.site

I ran this command: sudo certbot certonly --standalone --preferred-challenges http --agree-tos --email [redacted] -d taha.behrooz.site

It produced this output:Some challenges have failed.
Ask for help or search for solutions at https://community.letsencrypt.org. See the logfile /var/lo g/letsencrypt/letsencrypt.log or re-run Certbot with -v for more details.

My web server is (include version):putty

The operating system my web server runs on is (include version):

My hosting provider, if applicable, is:

I can login to a root shell on my machine (yes or no, or I don't know):

I'm using a control panel to manage my site (no, or provide the name and version of the control panel):isp manager

The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot):

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It produced more output than that, including an error message. Without it, we really don't have any clue what the problem was. Please provide the full text of the error message, and try to answer the remaining questions (PuTTY isn't a web server; you should know what operating system your server is using and who's hosting it, etc.).

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Hi @soheil.30, and welcome to the LE community forum :slight_smile:

Please explain the multiple IP addresses found for that FQDN:

Name:      taha.behrooz.site
Addresses: 103.76.128.14
           185.87.151.127

I get different results for each IP:

curl -Ii 103.76.128.14
curl: (56) Recv failure: Connection reset by peer

curl -Ii 185.87.151.127
HTTP/1.1 200 OK
Date: Fri, 28 Jul 2023 00:09:38 GMT
Server: Apache
Upgrade: h2
Connection: Upgrade, close
Last-Modified: Thu, 27 Jul 2023 22:54:17 GMT
ETag: "267-6017fd80c584c"
Accept-Ranges: bytes
Content-Length: 615
Vary: Accept-Encoding
Content-Type: text/html

Perhaps you simply forgot to remove an old IP.

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One IP shows Apache, and one shows:
image

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