This is a (partial, incomplete) list of
dynamic DNS providers.
- afraid.org, http://freedns.afraid.org/
- Art of DNS, http://www.dnsart.com/
- BLRF.net, http://www.blrf.net/dyndns/
- changeIP.com, http://www.changeip.com/
- cjb.net, http://www.cjb.net/
- Continuum, http://www.cm.nu/cmdns/
- ddns.nu, http://www.ddns.nu/
- ddts.net, http://www.ddts.net/
- DHIS, http://www.dhis.org/dhis/
- DHS, http://www.dhs.org/
- DNS Exit, http://www.dnsexit.com/
- DNS Made Easy, http://www.dnsmadeeasy.com/
- DNS Park, http://www.dnspark.com/
- DNS Wizard, http://www.dnswiz.com/
- DNS2Go, http://dns2go.deerfield.com/
- dnsd.be, http://www.dnsd.be/
- dnsQ, http://www.dnsq.org/
- DtDNS, http://www.dtdns.com/
- dyn.ca, http://www.dyn.ca/
- dyn.ee, http://www.dyn.ee/
- dyn.to, http://www.dyn.to/
- DynAccess, http://www.dynaccess.de
- dynamic-dns.de, http://www.dynamic-dns.de/
- DynamIP, http://www.dynamip.com/
- Dynamx, http://www.dyn.ro/
- dyndns.1kr.net, http://dyndns.1kr.net/
- dyndns.com, http://www.dyndns.com/
- dyndns.dk, http://dyndns.dk/
- dyndns.org, http://www.dyndns.org/
- dyndsl.com, http://www.dyndsl.com/
- dynip.com, http://www.dynip.com/
- dynips.com, http://www.dynips.com/
- dyns.cx, http://dyns.cx/
- DynU, http://www.dynu.com/
- DynUp, http://www.dynup.net/
- Easy DNS, http://www.easydns.com/dynamicdns.php3
- eddns.com, http://www.eddns.com/
- ELMIT, http://www.elmit.com/
- EveryDNS, http://www.everydns.net/
- freealias.de, http://www.freealias.de/
- getmyip.com, http://www.getmyip.com/
- Hammernode Internet, http://www.hn.org/
- Home PC, http://www.homepc.org/
- Hotline DNS, http://www.hldns.com/
- Illuminati Online, http://www.io.com/products/ddns.html
- inside.net, http://www.inside.net/dns/
- Microtech Ltd., http://www.microtech.co.gg/dns/
- MindRiot, http://ddns.mindriot.net/
- MiniDNS, http://www.minidns.net/
- myinternet.com, http://www.myinternet.com/
- MyIP.us, http://myip.us/
- myserver.org, http://www.myserver.org/
- Name Keeper, http://www.name-keeper.com/
- Nicolas' Internet Services, http://nicolas.cx/
- Nikhilino Online Services, http://www.nols.com/
- No IP, http://www.no-ip.com/
- Open Domain Server, http://www.ods.org/
- orgdns.org, http://www.orgdns.org/
- Planet DNS, http://www.planetdns.net/
- PowerDNS, http://www.powerdns.com/
- Route Your Domain, http://www.routeyourdomain.com/
- Self Host, http://www.selfhost.com/
- Sharella Inc., http://websvr.net/DynamicHost/
- Solid DNS, http://www.soliddns.com/
- Static Cling, http://www.staticcling.org/
- TJ Network Services, http://www.tjns.tj/
- TZO Internet, http://www.tzo.com/
- UNI-CC Network, http://www.uni.cc/
- WebReactor Networks, http://www.webreactor.net/
- whyI, http://www.whyi.org/
- World Wide DNS, http://www.worldwidedns.net/
- XDisk, http://www.xdisk.co.uk/
- yyweb.com, http://www.yyweb.com/DDNS/
- Zev Friedus Consulting, http://www.zfc.com/vdns/
- zoneedit.com, http://www.zoneedit.com/
It's not plagarism if you wrote it... this is copied from my DDNS resources page at http://www.technopagan.org/dynamic/.