New TLS certificate has been installed and we're back to normal operation.
@Dpaste the certificate chain is incomplete, Let's Encrypt Authority X3 is not in the trust path. Now, most browsers will correct for that, but wgetpaste is broken right now because of this. See https://www.ssllabs.com/ssltest/analyze.html?d=dpaste.com
@Dpaste it's working correctly now (well wgetpaste still isn't, but for another reason), I'm using dpaste.sh from dpaste-tools now
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