This is entirely unintentional on our part. Rest assured that, since we use New Relic ourselves, we're getting an error report about this problem right now.
Here are a few things you could try:
Some errors are temporary hiccups
At least you can go back to where you were
Check our status page to monitor potential outages
Our Documentation site has helpful articles
Get support on the forum or open a ticket to help us debug this error
no service found with this domain and routing configuration