I'm also having this dynamic IP problem on domain "home.fleece.name".
ddclient update client works:
Apr 30 00:15:20 akra ddclient[25280]: SUCCESS: updating home.fleece.name: IP address set to 208.61.65.105 (200: home.fleece.name updated to 208.61.65.105)
zoneedit.com control panel shows IP set correctly.
Assigned zoneedit nameservers respond to DNS requests with wrong IP (as of Apr 30 18:30 EDT):
$ nslookup
> server ns2.zoneedit.com
Default server: ns2.zoneedit.com
Address: 166.88.18.58#53
> home.fleece.name
Server: ns2.zoneedit.com
Address: 166.88.18.58#53
Name: home.fleece.name
Address: 208.61.65.31
> server ns9.zoneedit.com
Default server: ns9.zoneedit.com
Address: 23.27.48.60#53
> home.fleece.name
Server: ns9.zoneedit.com
Address: 23.27.48.60#53
Name: home.fleece.name
Address: 208.61.65.31