Problem with create ssl certificate

when I create free ssl certificate from www.sslforfree.com,use Manual Verification,after I upload the verification files to specified folder,I can visit http://zsqd.chnl.zj.chinamobile.com/.well-known/acme-challenge/VyPpWDrIWW7QCH_7B-jWCcYvho9HmZaoUQ2_Uy56Tyw in my browser.But when I download ssl certificate,I got the information below.
Domain “zsqd.chnl.zj.chinamobile.com” challenge3 timed out after 15 seconds. Try regenerating your account once by going back and clicking “Regenerate Account” near the top center. If that does not work then please try a different verification method (HTTP if using DNS or vice versa) or try again later. Last response from “https://acme-v01.api.letsencrypt.org/acme/challenge/FAAPfgahk7ag9T4625munLlZcwtrnpn_-VQllwbERPs/1618865850” was { “type”: “http-01”, “status”: “pending”, “uri”: “https://acme-v01.api.letsencrypt.org/acme/challenge/FAAPfgahk7ag9T4625munLlZcwtrnpn_-VQllwbERPs/1618865850”, “token”: “VyPpWDrIWW7QCH_7B-jWCcYvho9HmZaoUQ2_Uy56Tyw”, “keyAuthorization”: “VyPpWDrIWW7QCH_7B-jWCcYvho9HmZaoUQ2_Uy56Tyw.pb0XbbZFjOSMS7843CpisNzT8Ux_dlO1cw47ooPZeLc” }

What’s the problem with it?

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My domain is:zsqd.chnl.zj.chinamobile.com

I ran this command:

It produced this output:

My web server is (include version):iis

The operating system my web server runs on is (include version):windows 2008

My hosting provider, if applicable, is:

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

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

I see this:
VyPpWDrIWW7QCH_7B-jWCcYvho9HmZaoUQ2_Uy56Tyw.pb0XbbZFjOSMS7843CpisNzT8Ux_dlO1cw47ooPZeLc
which looks about right.
There may be some firewall/IPS in place that is preventing acme-v01.api.letsencrypt.org from reaching your IP (maybe Geo-Location blocked).

hi @fengzd

Please don’t open two posts for the same issues as it means you may get different information or advise.

Posting twice won’t make people respond faster.

Andrei

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