# Can I use Certbot for any certification?

**URL:** <https://community.letsencrypt.org/t/can-i-use-certbot-for-any-certification/135927>\
**Category:** Help\
**Created:** [October 13, 2020, 2:49pm UTC](https://community.letsencrypt.org/t/can-i-use-certbot-for-any-certification/135927 "2020-10-13T14:49:13Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![griffin](https://sea3.discourse-cdn.com/letsencrypt/user_avatar/community.letsencrypt.org/griffin/32/50204_2.png) [@griffin](https://community.letsencrypt.org/u/griffin)\
**Post date:** [October 13, 2020, 4:34pm UTC](https://community.letsencrypt.org/t/can-i-use-certbot-for-any-certification/135927/6 "2020-10-13T16:34:03Z")

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[@lestaff](https://community.letsencrypt.org/groups/lestaff)

> [@Rich64](#):
>
> HTTPSConnectionPool(host='[acme-v02.api.letsencrypt.org](http://acme-v02.api.letsencrypt.org)', port=443): Max retries exceeded with url: /directory (Caused by NewConnectionError('\<urllib3.connection.VerifiedHTTPSConnection object at 0x7f775635a668\>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution',))

Several instances of this same issue have cropped up lately. Any ideas?

> [@Error renewing certificates while --dry-run succeeds](https://community.letsencrypt.org/t/error-renewing-certificates-while-dry-run-succeeds/135761/1):
>
> P…

> [@Certbot: Challenge failed for domain](https://community.letsencrypt.org/t/certbot-challenge-failed-for-domain/135278/12):
>
> I…

> [@Error SSL Let's Encrypt certificate with Virtualmin using Nginx server](https://community.letsencrypt.org/t/error-ssl-lets-encrypt-certificate-with-virtualmin-using-nginx-server/132921/1):
>
> H…

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