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 …

Why LE still uses your old IPv6 address could be due to propogation time for your DNS servers and the small time of caching LE does at their own servers. Not sure how long DNS results are cached, but it's not long.

Certbot trying a challenge to old IPv6 instead of new IPv4

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system Closed August 15, 2021, 10:18pm 11

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Certbot trying a challenge to old IPv6 instead of new IPv4

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