I always use IPleak.net [1]. Works for public IPv4, IPv6, DNS server, Tor/AirVPN exit node, BitTorrent, geolocation, and all kind of browser metadata.
Browsing through comments shows this can do some things IPleak.net can't do such using wget/curl with API.
[1] https://ipleak.net
[1] https://airvpn.org/forums/topic/14737-api/
I always use IPleak.net [1]. Works for public IPv4, IPv6, DNS server, Tor/AirVPN exit node, BitTorrent, geolocation, and all kind of browser metadata.
Browsing through comments shows this can do some things IPleak.net can't do such using wget/curl with API.
[1] https://ipleak.net