142.250.147.138.backname.io
resolves to 142.250.147.138
127-0-0-1.backname.io
resolves to 127.0.0.1
2a00.1450.401b.810.0.0.0.200e.backname.io
resolves to 2a00:1450:401b:810::200e
0--1.backname.io
resolves to ::1