replaced the showip . com with a secondary checkip that runs on zettelkasten.
showip will no longer be polled to figure external IP,
only
checkip.dyndns.org
and
checkip.zettelkasten.org

https://github.com/zettel-kasten/zettelkasten/commit/7332d6de1ddf705d841fb4b02151371ca3abc591