After updating to version 1.59, I started seeing errors in let's encrypt requests.
Code:
Requesting new certificate order...
Nonce is empty. Exiting. dig output of acme-v02.api.letsencrypt.org:
prod.api.letsencrypt.org.
ca80a1adb12a4fbdac5ffcbc944e9a61.pacloudflare.com.
172.65.32.248
Full nonce request output:
HTTP/2 200
server: nginx
date: Mon, 23 Sep 2019 21:44:13 GMT
cache-control: public, max-age=0, no-cache
link: ;rel="index"
replay-nonce: 0002QiSPlEv3ydCIPzfF3lKH1yNdyxhBMGOKr835pqPVBys
x-frame-options: DENY
strict-transport-security: max-age=604800