顶级域信息适用于.foo

TLD ranking over time适用于.foo

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

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Aggregate nameserver latency适用于.foo

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

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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适用于.foo

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Median response time per TLD nameserver for .foo 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.

.foo 域名的 DNS 查询量

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在选定时间段内，针对 .foo 域名的 1.1.1.1 DNS 查询

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地理分布

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在选定时间段内，针对 .foo 域名的 DNS 查询百分比

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证书颁发总量适用于.foo

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在选定时间段内，为 .foo 域名颁发的证书总数

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证书颁发机构所有者适用于.foo

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顶级 CA 所有者之间的证书颁发分布

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