$ curl -v https://survey.noyb.eu/
- Host survey.noyb.eu:443 was resolved.
- IPv6: 2a01:4f8:231:1de2::1:5
- IPv4: 176.9.230.50
... - connect to 2a01:4f8:231:1de2::1:5 port 443 from 2001:4091:a246:8106:6893:ac74:4f53:e3bf port 46172 failed: Connection refused
- Trying 176.9.230.50:443...
- connect to 176.9.230.50 port 443 from 192.168.178.28 port 38480 failed: Connection refused
...