O'Reilly logo

Concise Guide to DNS and BIND, The by Nicolai Langfeldt

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Maintaining and Changing Zones

As time passes you will need to make changes to your zones. Some of these changes will be mundane and no special attention is needed when they are made. Other changes, such as moving a much used service might need special attention to make the change known quickly to all your users.

How SOA Record Controls DNS

As explained in Chapter 1, "DNS Concepts," and Chapter 2, "DNS in Practice," the SOA record controls how fast updated zones propagate from the master to the slave servers and how long RRs are cached in caching servers before they are flushed. Both of these affect your ability to make instant changes in the zones you maintain.

I will consider two scenarios: moving a Web server and moving a DNS server. How ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required