Product Collateral

Technical Brief - Improve Performance and Reliability with Supplemental DNS

Learn all you need to know about email best practices, deliverability, and tools with email whitepapers and ebooks.

Issue link: https://hub.dyn.com/i/761754

Contents of this Issue

Navigation

Page 2 of 7

@dyn dyn.com page 3 Technical Brief | Secondary / Multi-DNS Patterns There are several different ways to add a supplementary DNS service to your existing DNS implementation. The most common are: Traditional Primary-Secondary, Hidden Master Secondary, and Primary-Primary. Each option offers distinct advantages. Multi-DNS Pattern Traditional Primary-Secondary Hidden Master Secondary Primary-Primary Description One DNS service acts as the master service from a DNS records management perspective, while a second receives a copy. Both are in delegation to serve traffic. Your existing DNS implementation acts as the master service and is deployed behind your corporate firewall, while only the secondary is in delegation to serve traffic. Both services manage DNS records, and are in delegation to receive traffic. Primary advantage(s) Easy to deploy, Two vendors in delegation to serve traffic. Added security; the DNS service behind the firewall does not receive any traffic. Can be repeated with multiple secondary vendors. Supports advanced supplementary service features. Able to update DNS records in the event of a DNS service failure. Where are DNS record changes made? Existing/primary DNS service. Existing/primary DNS service. Both services How are DNS records synced across services? Standard DNS protocols Standard DNS protocols Programmatically or Manually Best Use Have an existing managed DNS solution and want to add resiliency Use an existing in-house DNS solution and want to add resiliency Have complex traffic steering requirements that require advanced features Supports advanced supplementary service features like traffic steering? no no yes

Articles in this issue

Links on this page

view archives of Product Collateral - Technical Brief - Improve Performance and Reliability with Supplemental DNS