I get different results from those sites. The first says that everything will be fine because my setup only does IPv4[1]. The second says everything will be f

I get different results from those sites. The first says that everything will be fine because my setup only does IPv4[1]. The second says everything will be fine because my setup fully implements IPv6[2]. This seems somehow strange. 1 - This web browser (at this location) looks safe. You'll just keep using IPv4. 2 - Congratulations! You appear to have both IPv4 and IPv6 internet working.