delete a site and don't let me add it again

delete a site and don’t let me add it again
I get this
Failed to lookup registrar and hosting information of at this time. Please contact Cloudflare Support or try again later.

I suspect you’re impacted by us trying to verify your nameservers. From a dig I see arch & rihana, but whois shows:


We need valid nameservers in order to validate the name, was this site ever active with an indication of “nameservers confirmed” before you removed it? You may need to change the nameservers at your registrar to something we can verify.