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Retested every 72 hours.

Public DNS servers

109,644+ resolvers tested every 72 hours

Browse verified resolvers by country, search by IP, ASN, or organization. 31,385 live servers across 218 countries, probed for reliability, DNSSEC, and NXDOMAIN integrity.

Best DNS 2026 DNS Privacy Check Test DNS Speed Browse by country WHOIS tool Dig (DNS lookup) DNS Issues

Top resolvers for United States

Total records: 5
Public DNS resolver list
IP Country ASN Org Reliability Status Last checked Tools
1.1.1.1
Global AS13335 CLOUDFLARENET 100% OK 13-04-2026 02:05:19 (GMT) WHOIS
149.112.112.112
Global AS19281 QUAD9-AS-1 100% OK 13-04-2026 04:25:43 (GMT) WHOIS
149.112.112.11
United States AS19281 QUAD9-AS-1 100% OK 13-04-2026 04:25:43 (GMT) WHOIS
172.64.36.0
United States AS13335 CLOUDFLARENET 100% OK 13-04-2026 05:02:44 (GMT) WHOIS
172.64.36.104
United States AS13335 CLOUDFLARENET 100% OK 13-04-2026 05:02:45 (GMT) WHOIS
See all 9811 available servers › 797 servers with issues ›

Public DNS servers

Google Public DNS
Global anycast, widely compatible
IPv4
8.8.8.8
8.8.4.4
IPv6
2001:4860:4860::8888
2001:4860:4860::8844
Docs: developers.google.com
Cloudflare 1.1.1.1
Fast resolver, privacy focused
IPv4
1.1.1.1
1.0.0.1
IPv6
2606:4700:4700::1111
Docs: developers.cloudflare.com
Cisco Umbrella / OpenDNS
Reliable, phishing protection
IPv4
208.67.222.222
208.67.220.220
Docs: umbrella.cisco.com
Quad9
Blocks malicious domains
IPv4
9.9.9.9
149.112.112.112
IPv6
2620:fe::fe
2620:fe::9
Docs: quad9.net
AdGuard DNS
Blocks ads and trackers
IPv4
94.140.14.14
94.140.15.15
IPv6
2a10:50c0::ad1:ff
2a10:50c0::ad2:ff
Docs: adguard-dns.io
CleanBrowsing
Security filter, blocks malware
IPv4
185.228.168.9
185.228.169.9
IPv6
2a0d:2a00:1::2
2a0d:2a00:2::2
Docs: cleanbrowsing.org

Directory statistics

Live IPv4
31,283
Live IPv6
102
Total Live
31,385
Total in Database
109,644
Last probe run
13-04-2026 13:24:40 (GMT)
Continuously tested
109,644 resolvers every 72 hours.
Live verified: 31,385.
Tip: click any IP's "Copy" button, or open WHOIS from Tools.
2026 ISP DNS Report — Which providers intercept your queries? Analysis of 109,644 resolvers.
Read the report →

Meaning of statuses

  • OK: answers typical queries, NXDOMAIN behaves normally
  • NX_HIJACK: NXDOMAIN test did not return NXDOMAIN
  • TIMEOUT: no response within the test window
  • BAD: unusual response (wrong RCODE or missing answers).

Read more about statuses ›