TLD Information for .phd

TLD ranking over time for .phd

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Rank of .phd over time based on DNS magnitude from 1.1.1.1 resolver traffic

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Metric

Aggregate nameserver latency for .phd

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Response time percentiles (p25, p50, p75) for TLD nameservers of .phd

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The values shown represent quartile round-trip latencies from Cloudflare's 1.1.1.1 resolver aggregated across all authoritative nameservers for the selected top-level domain.

Latency per nameserver for .phd

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Median response time per TLD nameserver for .phd over time

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The values shown represent median round-trip latencies from Cloudflare's 1.1.1.1 resolver for each of the authoritative nameservers for the selected top-level domain. For anycasted authoritative nameservers, we expect upstream queries to generally be from a topologically-close Cloudflare data center, and that median values across samples from all vantage points will be lower than for nameservers that are not deployed using anycast.

DNS query volume for .phd domains

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DNS queries to 1.1.1.1 for .phd domains over the selected time period

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Geographical distribution

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Percentage of DNS queries for .phd domains over the selected time period, by location

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Certificate issuance volume for .phd

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Total number of certificates issued for .phd domains over the selected time period

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Certificate authority owners for .phd

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Distribution of certificate issuance across the top CA owners

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