Public DNS Servers in United States

Browse public DNS servers located in United States. Find fast and reliable DNS resolvers with uptime statistics and performance metrics.

Discover the most reliable public DNS servers operating in United States. Our continuously updated list provides real-time performance metrics, uptime statistics, and detailed information about each DNS resolver. Whether you're looking for the fastest response times or the most feature-rich DNS service, you'll find comprehensive data to make an informed decision.

Each DNS server listed below includes detailed metrics such as reliability scores, average response times, supported features (DoH, DoT), and 30-day performance history. Use the filters to narrow down your search by status, reliability threshold, or provider organization. All servers are actively monitored to ensure you have access to the most current and accurate information.

8.20.247.133 IPv4
ASN: AS23393 - NuCDN LLC
Location: United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 26ms
8.20.247.124 IPv4
ASN: AS23393 - NuCDN LLC
Location: United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 3ms
8.17.40.109 IPv4
PTR: 8.17.40.109.hwccustomers.com
ASN: AS23089 - Hotwire Communications
Location: Miami, United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 61ms
67.97.247.52 IPv4
ASN: AS46887 - Crown Castle Fiber LLC
Location: Rochester, United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 22ms
67.97.247.50 IPv4
ASN: AS46887 - Crown Castle Fiber LLC
Location: Rochester, United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 39ms
66.28.0.45 IPv4
PTR: res1.dns.cogentco.com
ASN: AS174 - Cogent Communications, LLC
Location: Ft. Washington, United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 10ms
63.151.57.183 IPv4
ASN: AS209 - CenturyLink Communications, LLC
Location: Las Vegas, United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 83ms
50.231.115.22 IPv4
ASN: AS7922 - Comcast Cable Communications, LLC
Location: Peachtree Corners, United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 19ms
162.253.133.97 IPv4
PTR: ns.unspokenwords.com
ASN: AS21624 - Wisconsin CyberLynk Network, Inc.
Location: Phoenix, United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 270ms
205.171.2.65 IPv4
PTR: resolver2.centurylink.net
ASN: AS209 - CenturyLink Communications, LLC
Location: Towson, United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 4ms
208.67.220.222 IPv4
PTR: resolver4.opendns.com
ASN: AS36692 - Cisco OpenDNS, LLC
Location: United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 2ms
208.67.222.220 IPv4
PTR: resolver3.opendns.com
ASN: AS36692 - Cisco OpenDNS, LLC
Location: United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 2ms
23.149.208.5 IPv4
PTR: recursive-dns00.hostinfr.net
ASN: AS16925 - Cloud Optimized SMB LLC
Location: Vienna, United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 829ms
198.82.247.34 IPv4
PTR: yardbird.cns.vt.edu
ASN: AS1312 - Virginia Polytechnic Institute and State Univ.
Location: Blacksburg, United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 35ms
194.77.8.1 IPv4
PTR: gtnduss1.dpn.de
ASN: AS3257 - GTT Communications Inc.
Location: United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 195ms
168.215.210.50 IPv4
ASN: AS3549 - Level 3 Parent, LLC
Location: Chula Vista, United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 4ms
12.218.209.130 IPv4
ASN: AS7018 - AT&T Enterprises, LLC
Location: San Jose, United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 98ms
108.41.102.212 IPv4
PTR: pool-108-41-102-212.nycmny.fios.verizon.net
ASN: AS701 - Verizon Business
Location: Manhasset, United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 32ms
104.187.69.92 IPv4
PTR: 104-187-69-92.lightspeed.cicril.sbcglobal.net
ASN: AS7018 - AT&T Enterprises, LLC
Location: Aurora, United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 52ms
8.8.4.4 IPv4
PTR: dns.google
ASN: AS15169 - Google LLC
Location: Westfield, United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 8ms
54.187.61.200 IPv4
PTR: ec2-54-187-61-200.us-west-2.compute.amazonaws.com
ASN: AS16509 - Amazon.com, Inc.
Location: Boardman, United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 79ms
169.55.51.86 IPv4
PTR: 56.33.37a9.ip4.static.sl-reverse.com
ASN: AS36351 - IBM Cloud
Location: United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 44ms
173.162.106.221 IPv4
PTR: 173-162-106-221-miami.hfc.comcastbusiness.net
ASN: AS7922 - Comcast Cable Communications, LLC
Location: Miami, United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 94ms
50.229.170.233 IPv4
ASN: AS7922 - Comcast Cable Communications, LLC
Location: Chicago, United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 62ms
2620:0:ccd::2 IPv6
PTR: resolver2.ipv6-sandbox.opendns.com
ASN: AS36692 - Cisco OpenDNS, LLC
Location: United States US
Checked: 6 hours ago
Reliability 100.0%
Online
Avg: 2ms
Free DNS Tools

Check How Any Domain Actually Resolves

Changed your DNS and want to confirm it worked? Every tool below is free and needs no signup.

Run domains for a business? DNS Spy also does continuous domain monitoring — alerting you the moment a DNS record, certificate or registration changes.

Why Choose DNS Servers in United States?

Using DNS servers located in United States can provide several advantages for users in the region. Geographic proximity typically results in lower latency and faster DNS resolution times, which translates to quicker website loading and improved overall internet performance. Local DNS servers may also have better knowledge of regional content delivery networks (CDNs) and can route your requests more efficiently.

Key Benefits of Local DNS Servers

  • Lower Latency - Reduced physical distance means faster query response times
  • Better CDN Routing - Local servers understand regional content delivery infrastructure
  • Regional Compliance - Some DNS providers offer region-specific privacy and data handling policies
  • Network Resilience - Local infrastructure may be more stable during international network issues

Need Help Changing Your DNS Settings?

Once you've selected a DNS server from the list above, you'll need to configure your device or router to use it. We've created a comprehensive guide with step-by-step instructions for all major platforms including Windows, macOS, Linux, iOS, Android, and routers.

How to Change Your DNS Server Settings

Understanding DNS Performance Metrics

When evaluating DNS servers, pay attention to these key metrics displayed in our list:

  • Reliability Score - Percentage of successful queries over the last 30 days (aim for 99%+)
  • Average Response Time - Time taken to resolve DNS queries, measured in milliseconds (lower is better)
  • Current Status - Real-time availability indicator (online/offline)
  • Supported Features - Security and privacy features like DoH, DoT, and IPv6
  • Performance History - 30-day sparkline charts showing availability and response time trends

Browse the complete list of public DNS servers above, or return to the main DNS servers list to explore servers in other countries.