ICANN

An Explanation of CDS Daily Charts
Jul 15, 2026 · 5 min read · dnssec cds tld icann ·
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Explanations for each chart found on the CDS Daily Charts page

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Jordans IDN zone fails
May 21, 2026 · 6 min read · dns icann anycast dnssec tld ·
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Jordan's IDN zone has a long running outage

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TLD DNSSec Availability Project
May 16, 2026 · 6 min read · dns icann anycast dnssec ·
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After a break of nearly 2 years I restart my TLD DNSSec availability project

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Daily CDS Usage Charts
Nov 27, 2024 · 2 min read · dnssec cds tld icann ·
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Charts showing CDS usage on the Internet. Updated daily.

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We're rolling again
Sep 12, 2024 · 8 min read · dns dnssec rollover ksk iana icann ·
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The internet root zone will start the roll over of it's Key Signing Key in 2025. What can we expect?

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CDS usage in Registered Domains and DS Accuracy in TLDs
Jun 12, 2024 · 23 min read · dnssec cds tld icann ·
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Tracking CDS presence in registered domains within TLDs. Do parent records match the intended state as declared by child domain CDS entries. Analysis of observed behaviours amongst TLDs.

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TLD DNS Failure Modes
Jan 17, 2024 · 16 min read · dns icann anycast dnssec ·
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A review of the TLD DNS failures I've observed during 2023 and why the same failures keep happening

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Root Key Rollover
Sep 12, 2018 · 3 min read · DNS BIND ICANN IANA ·
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Revisiting the DNS Root Key rollover

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