| www | www.xn--twann-tscherz-2ob.ch | ch | 4 |
| www | www.xn--v-info-vxa.ch | ch | 1 |
| www | www.xn--vorhngeshop-o8a.ch | ch | 1 |
| www | www.xn--wrmeverbund-oberwil-gwb.ch | ch | 1 |
| .xoyondo.com | com | 3 |
| www | www.xpertcenter.ch | ch | 1 |
| .x-plane.com | com | 1 |
| dev | dev.x-plane.com | com | 1 |
| developer | developer.x-plane.com | com | 1 |
| files | files.x-plane.com | com | 1 |
| forums | forums.x-plane.org | org | 1 |
| gateway | gateway.x-plane.com | com | 1 |
| lookup | lookup.x-plane.com | com | 1 |
| wiki | wiki.x-plane.com | com | 1 |
| www | www.x-plane.com | com | 1 |
| .x-project.ch | ch | 2 |
| www | x-project.ch | ch | 1 |
| www | xterraplanet.com | com | 1 |
| .xtools.wmcloud.org | wmcloud.org | 1 |
| www | xtri.com | com | 1 |