February 17, 2022
Marriott Austin Downtown
UTC timezone

Implementing dual stack recursive DNS at Microsoft: Challenges and Learning

Feb 17, 2022, 7:45 PM
Marriott Austin Downtown

Marriott Austin Downtown

304 East Cesar Chavez Street, Austin, Texas 78701 USA
Standard Presentation Main Session OARC 37 Day 1


ARUNKUMAR SINGARAM (Microsoft) Karthik Umashankar


Microsoft has implemented a dual-stack recursive resolver system for its internal resolver fleet. This talk focuses on learning and the challenges we faced during this process.

We will cover below items
- Implementing dual-stack recursive DNS using Unbound and Windows DNS Server
- Learnings/Issues encountered to achieve dual-stack
- Implementing serve-stale data from the cache (RFC 8767) in Unbound - Experience in production

Presentation delivery Remotely (online)

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Presentation materials