Shortened link
The link you followed has been shortened with is.gd. Shortened links can go anywhere on the Internet so you shouldn't continue if you got the link from a suspicious source e.g. junk email.
The full original link is shown below. Click the link if you'd like to proceed to the destination shown: -
http://www.booking.com/hotel/ch/holiday-inn-zurich-messe.html?aid=304142;label=dealfeed_head;sid=34d15c17a42a51ce20e2297b7da54ec1;dro=2443704_392607_0;dva=8904
Tip: some QR readers fail to read mixed case URLs properly. We recommend using the lower case option or a lower case custom URL with QR codes.