Adlist connections refused, no cached list downloaded

Yes, this is a new install. My pi is a bit old, so maybe that's the issue!

Here is the /etc/os-release:

NAME="Raspbian GNU/Linux"
VERSION_ID="10"
VERSION="10 (buster)"
VERSION_CODENAME=buster
ID=raspbian
ID_LIKE=debian
HOME_URL="http://www.raspbian.org/"
SUPPORT_URL="http://www.raspbian.org/RaspbianForums"
BUG_REPORT_URL="http://www.raspbian.org/RaspbianBugs"

Trying gravity again...
pi hole diagnosis lists them all as inaccessable again.|

Output of pihole -g -f:

  [✓] Deleting existing list cache
  [i] Neutrino emissions detected...
  [✓] Pulling blocklist source list into range

  [✓] Preparing new gravity database
  [✓] Creating new gravity databases
  [i] Using libz compression

  [i] Target: https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts
  [✗] Status: Connection Refused
  [✗] List download failed: no cached list available

  [i] Target: https://raw.githubusercontent.com/PolishFiltersTeam/KADhosts/master/KADhosts.txt
  [✗] Status: Connection Refused
  [✗] List download failed: no cached list available

  [i] Target: https://adaway.org/hosts.txt
  [✗] Status: Connection Refused
  [✗] List download failed: no cached list available

  [✓] Building tree
  [✓] Swapping databases
  [✓] The old database remains available
  [i] Number of gravity domains: 0 (0 unique domains)
  [i] Number of exact blacklisted domains: 0
  [i] Number of regex blacklist filters: 0
  [i] Number of exact whitelisted domains: 0
  [i] Number of regex whitelist filters: 0
  [✓] Flushing DNS cache
  [✓] Cleaning up stray matter

  [✓] FTL is listening on port 53
     [✓] UDP (IPv4)
     [✓] TCP (IPv4)
     [✓] UDP (IPv6)
     [✓] TCP (IPv6)

  [✓] Pi-hole blocking is enabled