overview:
http://lifehacker.com/the-best-free-alternatives-to-dyndns-1561556205

---


1.	http://freedns.afraid.org
2.	http://www.zoneedit.com/
3.	http://www.no-ip.com/services/managed_dns/free_dynamic_dns.html
4.	http://www.dyns.cx/
5.	http://www.dtdns.com/index.cfm?fuseaction=info.hosts&from=moreinfo