They must have sold the domain to the job portal cord.co. I got an email about it in February:

> We're becoming cord­.­com

> Hi,

> Over the next few weeks cord­.­co is becoming cord­.­com. Adding an "m" to the end of our URL is one of the smaller things we've done. But it represents something much bigger: that cord has become the trusted source for tech hiring in the UK.