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Anand Buddhdev

Pages created by Anand Buddhdev

Reverse DNS Outage for Out-of-Region Address Space
Anand Buddhdev — 07 Apr 2017

On Thursday 16 March 2017, at around 20:00 UTC, a bug in a script caused an outage for some reverse DNS delegations registered in the RIPE Database. The effects of the bug were not immediate, but began a cascading failure, that persisted until 18:00 UTC on Friday 17 March. In the following article, you will find more information about what happened.… Read more

Tags: dns
DNSSEC Algorithm Roll-over
Anand Buddhdev — 06 Nov 2015

Rolling over the algorithm (usually to a stronger variant) used to sign a DNS zone isn't as easy as regular key roll-overs. This is because some DNSSEC validators are less forgiving than others, and fail validation unless the right combination of keys and signatures is present in a zone. This article describes our experiences with DNSSEC algorithm roll-over. We hope that our experience will help others who may be considering doing this.… Read more

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