Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')). Skipping

I saw this post with a similar issue. Thus providing the following info, which was requested to provide assistance.

dig +short acme-v02.api.letsencrypt.org

no output

dig +short acme-v02.api.letsencrypt.org @8.8.8.8

prod.api.letsencrypt.org.
ca80a1adb12a4fbdac5ffcbc944e9a61.pacloudflare.com.
172.65.32.248

cat /etc/resolv.conf

nameserver 127.0.0.53
options edns0 trust-ad

cat /run/systemd/resolve/stub-resolv.conf

nameserver 127.0.0.53
options edns0 trust-ad

cat /etc/netplan/01-netcfg.yaml

network:
  version: 2
  renderer: networkd
  ethernets:
    ens4:
      dhcp4: yes
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