DNS delegation health
Distributions over the newest scored delegation check per zone. Which zones these are — and their individual findings — is private; the shapes below are public.
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Zones checked
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Median health score
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DNSSEC adoption
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Lame delegations
Health score distribution
Delegated nameserver count
SOA serial consistency
Fleet summary
A roll-up over the newest scored check per zone: how zones fall across score bands, the findings raised by severity, and the most common finding types. A zone whose latest check couldn't reach its nameservers measured nothing, so it is left out of the bands, the findings and the median.