Feb 16 – 17, 2023 Workshop
Atlanta Marriott Marquis
US/Eastern timezone

Reducing default DS TTLs

Feb 17, 2023, 4:00 PM
Imperial Ballrom (Atlanta Marriott Marquis)

Imperial Ballrom

Atlanta Marriott Marquis

265 Peachtree Center Ave NE Atlanta GA 30303 United States
Lightning Talk (in-person only) Main Session OARC 40 - Day 2


Puneet Sood (Google)


Shorter DS TTLs=> shorter Mean Time to Recovery

DS RRsets need to be rolled back or updated promptly
No 24-hour or more downtime after emergency DS updates
Note: Cached validated child RRsets keep their existing TTLs!
No expected impact on child zone query volume
We’re studying expected effect on parent (eTLD) zone query volumes

Primary author

Viktor Dukhovni (Google LLC)


Puneet Sood (Google)

Presentation materials