ddclient -v
CONNECT:  checkip.dyndns.org
CONNECTED:
SENDING:  GET / HTTP/1.0
SENDING:   Host: checkip.dyndns.org
SENDING:   User-Agent: ddclient/3.6.7
SENDING:   Connection: close
SENDING:
RECEIVE:  HTTP/1.1 200 OK
RECEIVE:  Content-Type: text/html
RECEIVE:  Server: DynDNS-CheckIP/0.2
RECEIVE:  Connection: close
RECEIVE:  Cache-Control: no-cache
RECEIVE:  Pragma: no-cache
RECEIVE:  Content-Length: 106
RECEIVE:
RECEIVE:  <html><head><title>Current IP Check</title></head><body>Current IP Address: 195.74.241.230</body></html>
WARNING:  skipping update of phoinix.dyndns.org from 194.219.30.1 to 195.74.241.230.
WARNING:   last updated Sat Jun 10 23:37:52 2006.
WARNING:   Wait at least 30 seconds between update attempts.