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.

Zones by score band

Findings by severity

Most common findings