ax3.ru
ax3.run
ax3.ruhr
ax3.rugby
ax3.co
ax3.io
ax3.рус
ax3.us
ax3.at
ax3.nz
ax3.be
ax3.cl
ax3.se
ax3.si
ax3.ею
ax3.ua
ax3.рф
ax3.co.us

.run

How do you know if someone ran a marathon? They’ll tell you. Probably on their .run domain.

Learn more about .run at IANA or Wikipedia, or view all top-level domains.