what is /bin/tracert?

I was looking for a routing check. I found this here, expecting not much, but isn’t it obviously a bit weird, that you use a program named ‘tracert’ instead of traceroute?

I could not find any information that on Unix systems there ever existed a tracert – tracert is imho a windows command, so the script won’t work unmodified. Also, I can’t see any ‘Nagios Plugin Guidelines’ applied to this little scriot.

Nevertheless good for learning approaches.