Domain forwarding not working - 404 error.

[NiagaraPT]

I have a one domain forwarded to our domain that we use primarily which works, but that same domain has a /contactus that appears when searched on google and forwards to a 404 error.

https://niagaraphysicaltherapy.com/contactus Is the one that does not. without /contactus works fine.

[PL281 · Accepted solution]

@NiagaraPT 

The issue is that the link is contact-us not contactus. My advise would be to use the Google Webmaster Tools do "delist" to invalid link in Google