Ddclient dyndns not updating
nsupdate is a fantastic little utility that enable quick and secure DNS zone updates.
Setup is quick and painless, and use is fairly intuitive for anyone remotely familiar with DNS, and skilled enough to admin their own Linux system. This key is created by running the dnssec-keygen utility.
For this specific case, HMAC-MD5, the public and private keys are the same. The contents of the public key (you give this to your DNS administrator) looks like (again, the public and private keys are the same for HMAC-MD5) Store the private key in a secure location.The final step is to execute the script, passing the text file you just created (in this example) to the update script: That's it!The updates are available on the DNS server immediately. A perl based client to update your dynamic IP address at Dyn (or other dynamic DNS services such as Hammernode, Zoneedit or Easy DNS), thus allowing you and others to use a fixed hostname (myhost.dyndns.org) to access your machine.It caches the address, and only attempts the update if the address actually changes.