Public DNS servers
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Browse verified resolvers by country, search by IP, ASN, or organization. 37,654 live servers across 220 countries, probed for reliability, DNSSEC, and NXDOMAIN integrity.
Top resolvers for United States
Total records: 5
| IP | Country | ASN | Org | Reliability | Status | Last checked | Tools |
|---|---|---|---|---|---|---|---|
1.1.1.1
|
Global | AS13335 | CLOUDFLARENET | 100% | OK | 22-03-2026 22:59:37 (GMT) | WHOIS |
149.112.112.112
|
Global | AS19281 | QUAD9-AS-1 | 100% | OK | 23-03-2026 00:42:00 (GMT) | WHOIS |
146.112.41.2
|
United States | AS36692 | OPENDNS | 100% | OK | 23-03-2026 00:39:49 (GMT) | WHOIS |
146.112.41.4
|
United States | AS36692 | OPENDNS | 100% | OK | 23-03-2026 00:39:50 (GMT) | WHOIS |
149.112.112.11
|
United States | AS19281 | QUAD9-AS-1 | 100% | OK | 23-03-2026 00:42:00 (GMT) | WHOIS |
Public DNS servers
Google Public DNS
Global anycast, widely compatible
Cloudflare 1.1.1.1
Fast resolver, privacy focused
Cisco Umbrella / OpenDNS
Reliable, phishing protection
Quad9
Blocks malicious domains
AdGuard DNS
Blocks ads and trackers
CleanBrowsing
Security filter, blocks malware
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).