Compare DNS Zones

Learn how to compare DNS zones as a post DNS migration task.

Having performed hundreds of DNS migrations of all sorts of size and shape, I can't overemphasize the importance of performing post-migration zone-by-zone resource record validation and verification. Customers used to be amazed at the results of such a detailed check. Now, they simply demand it and expect it. I used to perform these zone-by-zone checks using personally developed scripts written in Perl, Ruby, Python, and even Java. These scripts have served me well over time. Nowadays, the zones are bigger, and there are more zon...

Read More...