List of free DNS services

Here is my list of dns services. Collected about a year ago, but everything is still relevant.

Primary only:
primaryns.kiev.ua - available only for Ukraine

Primary and secondary:
zoneedit.com - 5 domains, everything suits me
everydns.net - 20 domains, no email-forwarding
dnspark.com - 3 domains
soa.granitecanyon.com - domains unlimited
domain-dns.com - unlimited domains, you can not create NS-records
xname.org
mydomain.com - very overloaded, very slow
dns.xtremeweb.de = gratisdns.de - no mail-forwarding
freedns.afraid.org - no description
editdns.net - no description
prosto.name - Good new Russian service
dnsexit.com
1gb.ru
freedns.sgh.waw.pl - like xname.org
freedns.ws
namecheap.com
www.netbreeze.net/dns - panel in Russian

Secondary only:
ns2.trifle.net
secondary.net.ua