This tool can generate a TSIG key value (base64) for you very easily. The key value complies with RFC2845. Secret Key Transaction Authentication for DNS (TSIG) is a secure method of authenticating clients making dynamic DNS update requests. The client application and the DNS server share a secret key value which is used to sign (HMAC-MD5) each update request. You can think of the key name as a user ID, and the key value as a password.
From JH Software:This tool can generate a TSIG key value (base64) for you very easily. The key value complies with RFC2845.TSIG Key Generator 1.00
is licensed as Freeware
for the Windows operating system / platform without restrictions. TSIG Key Generator is available to all software users as a free download (Freeware).
TSIG Key Generator Virus and Malware Tests:
For security reasons, you should also check out the TSIG Key Generator virus and malware test
that has been uploaded; additional TSIG Key Generator screenshots may be available, too.