Free secondary DNS services

If you run an authoritative DNS server and serve your own zones you may know about the need to have decent secondary DNS servers, or "slaves", to back you up.

I recently changed mine - xname, which I do not recommend - came across Frankb's page, and subscribed to the two first and most recommended:

• puck.nether.net/dns: simple web page, register, add your domain, allow their server to transfer and within 24 hours your zone will be served
• BuddyNS: fancy web page, simplest registration ever (email+zone+ip master), up & running in 10 minutes, and a nice feature to force refresh just by sending an email

Just wanted to tell that so far these two are great, so I pass the word as a thank you for the service they offer for free.