Measured resolver directory

Public DNS Servers in United States

1,613 currently listed resolvers across 80 represented ASNs. Measurements describe observed DNS responses, not recommendation or trust.

Resolvers

Showing 50 of 1613 currently listed resolvers.

IP AddressLocationASN / NetworkReliabilityMore
162.159.42.202United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.208United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.209United StatesAS13335Cloudflare, Inc.cloudflare.com100.0%15 / 15 successful · 14 day window
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162.159.42.216United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.217United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.219United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.22ns044.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.220United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.23ns046.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.com100.0%15 / 15 successful · 14 day window
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162.159.42.234United StatesAS13335Cloudflare, Inc.cloudflare.com100.0%15 / 15 successful · 14 day window
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162.159.42.237United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.239United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.243United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.253United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.29ns058.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.30ns060.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.com100.0%15 / 15 successful · 14 day window
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162.159.42.33ns066.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.34ns068.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.38ns076.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.4ns008.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.42ns084.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.54ns108.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.com100.0%15 / 15 successful · 14 day window
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162.159.42.67ns134.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.com100.0%15 / 15 successful · 14 day window
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162.159.42.71ns142.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.72ns144.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.73ns146.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.75ns150.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.com100.0%2 / 2 successful · 14 day window
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162.159.42.77ns154.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.78ns156.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.com100.0%15 / 15 successful · 14 day window
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162.159.42.79ns158.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.84ns168.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.88ns176.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.91ns182.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.94ns188.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.42.96ns192.name.cloud.ibm.comUnited StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.43.1United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.43.101United StatesAS13335Cloudflare, Inc.cloudflare.com100.0%15 / 15 successful · 14 day window
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162.159.43.102United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.43.107United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.43.11United StatesAS13335Cloudflare, Inc.cloudflare.com100.0%15 / 15 successful · 14 day window
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162.159.43.111United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.43.113United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.43.115United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.43.117United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.43.120United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.43.121United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.43.124United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.43.129United StatesAS13335Cloudflare, Inc.cloudflare.com100.0%15 / 15 successful · 14 day window
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162.159.43.13United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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162.159.43.132United StatesAS13335Cloudflare, Inc.cloudflare.comCollecting1 measurement
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How to read this table

“Collecting” means exactly one retained observation and intentionally has no percentage. With two or more observations, the displayed percentage and successful/total count use the stated rolling window. An em dash means the field was not measured or reported.

A resolver responding to this collector does not establish an uptime guarantee, security property, ownership intent, or suitability for your use case.

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Country, ASN, organization, and network data powered by IPinfo Lite. Resolver measurement data is collected by WhatIsMyIP; hostnames are from reverse DNS when available.

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