I'm not sure why the kids over at ServerFault SE told you to post it here, because it's definitely off-topic here, as it's not seeking a software recommendation.
It's almost a fit for Information Security SE, but it's more of a privacy issue than a security issue, so it might get closed there too. (You can always try and see what happens.)
There isn't ...
To help you out, I have posted details of your request on the Graphic Design SE and am awaiting their response. Please see:
I'm not aware of any built-in StackExchange functionality for community members (or community moderators) to do this.
I am, however, aware of a Firefox extension that may help. It's called "Broken Link Checker", and is available here:
The extension is gratis and open ...