# Renew SSL: Too many redirects **URL:** \ **Category:** Help\ **Created:** [December 28, 2019, 9:43am UTC](https://community.letsencrypt.org/t/renew-ssl-too-many-redirects/109447 "2019-12-28T09:43:33Z")\ **Posts on this page:** 1\ **Showing post:** 3
**Author:** ![tieunct](https://avatars.discourse-cdn.com/v4/letter/t/f4b2a3/32.png) [@tieunct](https://community.letsencrypt.org/u/tieunct)\ **Post date:** [December 28, 2019, 10:32am UTC](https://community.letsencrypt.org/t/renew-ssl-too-many-redirects/109447/3 "2019-12-28T10:32:32Z")
**I received another error** ./certbot-auto has insecure permissions! To learn how to fix them, visit [Certbot-auto deployment best practices](https://community.letsencrypt.org/t/certbot-auto-deployment-best-practices/91979/) Saving debug log to /var/log/letsencrypt/letsencrypt.log Plugins selected: Authenticator webroot, Installer None Cert is due for renewal, auto-renewing… Renewing an existing certificate Performing the following challenges: http-01 challenge for [crabwp.com](http://crabwp.com) http-01 challenge for [www.crabwp.com](http://www.crabwp.com) Using the webroot path /var/www/html for all unmatched domains. Waiting for verification… Challenge failed for domain [crabwp.com](http://crabwp.com) Challenge failed for domain [www.crabwp.com](http://www.crabwp.com) http-01 challenge for [crabwp.com](http://crabwp.com) http-01 challenge for [www.crabwp.com](http://www.crabwp.com) Cleaning up challenges Some challenges have failed. IMPORTANT NOTES: - The following errors were reported by the server: Domain: [crabwp.com](http://crabwp.com) Type: dns Detail: No valid IP addresses found for [crabwp.com](http://crabwp.com) Domain: [www.crabwp.com](http://www.crabwp.com) Type: dns Detail: DNS problem: NXDOMAIN looking up A for [www.crabwp.com](http://www.crabwp.com) --- _[View the full topic](https://community.letsencrypt.org/t/renew-ssl-too-many-redirects/109447)._