There are many posts referring to https://blogs.msdn.com and we see below message.
If you were looking for MSDN or TechNet blogs, please know that MSDN and TechNet blog sites have been retired, and blog content has been migrated and archived here.
or
Oops, 404 Error! That page can’t be found. It looks like nothing was found at this location. Try one of the developer blog links below?
I tried to fix at least some of them but it looks like it will be very difficult to do this manually. I saw some of them move to the web.archive.org. So, what will be these links, the Community bot can't fix them?
Examples:
How to set .net Framework 4.5 version in IIS 7 application pool
https://stackoverflow.com/a/3045089/13664939
Visual Studio debugging "quick watch" tool and lambda expressions
Debug .NET Framework Source Code in Visual Studio 2012?