I ran into this, or something similar recently when our main connection went down (solar powered) and we switched to Starlink. Due to Starlink NAT issues I had

I ran into this, or something similar recently when our main connection went down (solar powered) and we switched to Starlink. Due to Starlink NAT issues I had tunneled our traffic to to a box colocated in a data center. This broke a number of web sites in weird ways. Became so annoying that I ended up bringing up a tunnel to our office in town to get back to the regular IP we used. Weird problems went away.