# I need help to install and config ssl certificate

**URL:** <https://community.letsencrypt.org/t/i-need-help-to-install-and-config-ssl-certificate/231234>\
**Category:** Help\
**Created:** [January 2, 2025, 11:03am UTC](https://community.letsencrypt.org/t/i-need-help-to-install-and-config-ssl-certificate/231234 "2025-01-02T11:03:33Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Nalshaamy](https://avatars.discourse-cdn.com/v4/letter/n/a87d85/32.png) [@Nalshaamy](https://community.letsencrypt.org/u/Nalshaamy)\
**Post date:** [January 2, 2025, 11:03am UTC](https://community.letsencrypt.org/t/i-need-help-to-install-and-config-ssl-certificate/231234/1 "2025-01-02T11:03:33Z")

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Hello !  
I run this comand  
sudo certbot --nginx -d siraterp.pro -d www.siraterp.pro

Account registered.  
Requesting a certificate for siraterp.pro and www.siraterp.pro  
An unexpected error occurred:  
No such authorization

Certbot failed to authenticate some domains (authenticator: nginx). The Certificate Authority reported these problems:  
Domain: siraterp.pro  
Type: dns  
Detail: no valid A records found for siraterp.pro; no valid AAAA records found for siraterp.pro

Hint: The Certificate Authority failed to verify the temporary nginx configuration changes made by Certbot. Ensure the listed domains point to this nginx server and that it is accessible from the internet.

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**Author:** ![Osiris](https://avatars.discourse-cdn.com/v4/letter/o/839c29/32.png) [@Osiris](https://community.letsencrypt.org/u/Osiris)\
**Post date:** [January 2, 2025, 11:08am UTC](https://community.letsencrypt.org/t/i-need-help-to-install-and-config-ssl-certificate/231234/2 "2025-01-02T11:08:47Z")

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> [@Nalshaamy](#):
>
> Detail: no valid A records found for siraterp.pro; no valid AAAA records found for siraterp.pro

This is quite self-explanatory I'd say.

While you have an A RR configured in the DNS zone for the `www` subdomain, no such record exists to configure an IP address for the apex domain `siraterp.pro`. See e.g. [siraterp.pro | DNSViz](https://dnsviz.net/d/siraterp.pro/dnssec/?rr=1&a=all&ds=all&ta=.&tk=).

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**Author:** ![system](https://global.discourse-cdn.com/letsencrypt/original/3X/c/a/ca6c06ea1ea201324bba7048c6841ce60236468d.png) [@system](https://community.letsencrypt.org/u/system)\
**Post date:** [February 1, 2025, 11:09am UTC](https://community.letsencrypt.org/t/i-need-help-to-install-and-config-ssl-certificate/231234/3 "2025-02-01T11:09:08Z")

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