Changed IP address, MIAB blows up

My previous account was prevented from posting for some infuriating reason so I created this one.
I’ve updated the glue records at GoDaddy as well as the name servers to point to MailInABox.

When I run “management/status_checks.py” I get:

System

:heavy_multiplication_x: SSH Login (ssh) is running but is not publicly accessible at

:heavy_multiplication_x: Public DNS (nsd4) is not running (port 53).
:heavy_multiplication_x: Incoming Mail (SMTP/postfix) is running but is not publicly accessible at
:25.
:heavy_multiplication_x: Outgoing Mail (SMTP 587/postfix) is running but is not publicly accessible
at :587.
:heavy_multiplication_x: IMAPS (dovecot) is running but is not publicly accessible at
:993.
:heavy_multiplication_x: HTTP Web (nginx) is running but is not publicly accessible at
:80.
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
:heavy_multiplication_x: HTTPS Web (nginx) is running but is not publicly accessible at
:443.
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful

Any idea why I’m getting all these “not publicly available” messages?