Related domains with label submain at position 1

Search for submain at every position.

1. submain.com
2. www.ns.ptmail.submain.fm
3. ptmail.submain.fm
4. submain.fm
5. clienti.submain.fm
6. ns.ptmail.submain.fm
7. www.clienti.submain.fm
8. www.submain.com
9. www.submain.fm
10. www.ptmail.submain.fm