Yes, enom and all their resellers have serious problems.
Their 5 'worlds most reliable' DNS's are being DDoS'ed right now.
They're fucked
If you have domains there and quickly want to update the DNS settings, go to
www.enomcentral.com.
If you can't reach it, add this:
69.64.157.36
www.enomcentral.com
to your /windows/system32/drivers/etc/host -file