Link in invitation email does not work.

I just received the invitation email of this group which includes following URL and received the DNS error.

[Click here to go to the Game Dev Forum site]

https://www.amazon.com/gp/f.html?C=187BMTZ231LSH&K=A1A6OAYV99YAT&M=urn:rtn:msg:201708232223093e97f18375314c8a98fae0a88a20p0na&R=2GU4N85Q28AEN&T=C&U=https%3A%2F%2Fly-website-forums-prod.iad.amazon.com%2Fforums%2F%3Fref_%3Dpe_2539770_190381950&A=LRIV7QLSBXSQWDENVNICURWZPS0A&H=MYE3TQ7LDTTVMORRGX2PNS475VAA&ref_=pe_2539770_190381950