Name servers not working!

[jaybejay]

I'm trying to register a new domain and when i enter these name servers into the registrar

ns1.x10hosting.com
ns2.x10hosting.com

it shows

Invalid nameserver
Invalid nameserver

Help?

 

[Dead-i]

At which domain registrar is this?

 

[edge11]

I had the same issue 3 days ago. I posted about it here and did not get a response fir 2 days, so I went to another host and my site is good now.

Odd part is, my registrar is 1and1.com a well known and accredited domain name service. I just don't get it.