Having a private and a public Azure DNS zone with an identical name. Linked VNets resolve against the private zone while internet clients see the public one, and private records can never be resolved from the internet.
Also called split-brain DNS.
Read more: Microsoft Learn
In the Ultra Transcenders books
Each book explains Split-horizon DNS in context, with comparison tables and the common traps.
Terms in this definition
- HAVING
Applies a condition to groups produced by GROUP BY, often on an aggregate such as SUM(). WHERE works earlier, on individual rows before they are grouped.
- Azure DNS
Family of Azure services for hosting and resolving DNS, covering public zones, private zones and DNS Private Resolver; you can't register domain names through it.