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DNSSEC claims another ccTLD victim

Kevin Murphy, October 10, 2022, 10:27:02 (UTC), Domain Registries

A botched DNSSEC upgrade has been fingered as the source of an outage that made .na domain names inaccessible last Tuesday.

Reports and archived DNS records show that names in the Namibian ccTLD suffered as many as 12 hours of downtime following the glitch, which has been blamed on human error.

When DNSSEC-signed domains, including TLDs, are unable to establish a cryptographic chain of trust, anyone using a DNSSEC-compatible resolver will be unable to access web sites or emails of affected domains.

Namibian Network Information Center boss Eberhard Lisse, talking to The Namibian newspaper, blamed the downtime on an unspecified upstream provider pushing an algorithm upgrade “without all prerequisite steps having been completed”.

It’s the second DNSSEC incident to hit .na following a July 2019 glitch, and one of dozens to affect TLDs since the technology started to become more broadly adopted.


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