Autarchy of the Private Cave

Information taken from: freedom.org.ru

1. www.zoneedit.com; 5 names; A, MX, NS; mail forwarding, web forwarding
2. www.everydns.net; 20 names; A, MX, NS; web forwarding, dynamic domains
3. www.dnspark.com; 3 names; A, MX, NS; web forwarding, mail forwarding, backup MX
4. www.domain-dns.com; unlimited names; A, MX; web forwarding, paid mail forwarding
5. www.xname.org; no limit; A, MX, NS (I keep several domains there; quite good as for a free service)
6. primaryns.kiev.ua (UA-IX only); unlimited names; A, MX, NS; primary only
7. secondary.net.ua; unlimited names; secondary only
8. ns2.trifle.net; unlimited names; secondary only
9. FreeDNS.ws (suggested in comments; looks promising – I now have one domain there)