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Thanks Osiris and JeurgenAuer - Yes, I likely have a cached copy. Good to hear there are no major problems. I did try the check-your-website link and found it hard to understand so though I would check here. Jerugen - how do I set a preferred version?
Yup - sorry. Lot’s of stuff there and my brain got fried - just needed to slow down and read more carefully. Found the resources I needed. In the end the site is really for internal use anyway - so there’s no real need to set this. I did enable IPV6 based on the report and some advice floating around out there.
Thanks much for the help all!
Sorry to go off on a tangent, and I don't mean this as attack on you, but this version of Certbot is really old. And it's not just you, there seem to be a lot of people still stuck on Certbot 0.31.0. I'm wondering if that's an OS limitation?
I'm using Certbot 1.5.0. Are you able to update or upgrade your Certbot version? The cause of the issue you're having might be fixed in later Certbot versions. (Or did clearing your cache fix things?)