This domain: ns55.domaincontrol.co has a bad nameserver delegation.

The nameservers are:

If none of the nameservers are listed as "PROBLEM", yet somehow you got here,
that means that somewhere on this domain's nameservers there is something referring to domaincontrol.co

What to do about it

If this is your domain: Check your nameserver delegation with your registrar or check your NS records with your DNS host.
If this is not your domain: You should report this to the domain owner.
P.S We are running a small crypto-miner at the moment to cover costs. You can stop it by clicking on the "pause" icon when you hover over it.