Public DNS Servers in Iran
27 servers verified as of .
We currently list 27 public DNS servers in Iran, each verified through our automated 72-hour probe cycle. Of these, 37% (10 servers) validate DNSSEC signatures, protecting users from DNS spoofing attacks. Top providers in Iran include Information Technology Company (ITC), Institute for Research in Fundamental Sciences, Tehran University of Medical Science. We also track 141 servers with known issues in Iran, including NXDOMAIN hijacking and response errors. For the fastest DNS in Iran, try our latency benchmark from your location. To check your current DNS configuration for leaks and encryption, use the DNS Privacy Check.
DNS quality in Iran
| Median response time | 93 ms (across 27 measured servers) |
|---|---|
| Highly reliable (≥90% uptime) | 24 servers (89%) |
| DNSSEC validating | 10 servers (37%) |
| Servers with known issues | 141 flagged |
Metrics from our last probe cycle: every server in Iran is tested for response time, reliability, DNSSEC validation, and NXDOMAIN integrity on a 72-hour cycle. The median response of 93 ms is measured from our probe locations — servers closer to you will typically respond faster; verify with the latency benchmark.
Local / ISP Providers
| IP | ASN | Org | Status | Reliability | Last checked | Tools |
|---|---|---|---|---|---|---|
217.218.155.155
|
AS12880 | Information Technology Company (ITC) | OK | 100% | 21-09-2026 08:16:15 (GMT) | WHOIS |
194.225.152.12
|
AS6736 | Institute for Research in Fundamental Sciences | OK | 100% | 21-09-2026 06:52:31 (GMT) | WHOIS |
194.225.152.10
|
AS6736 | Institute for Research in Fundamental Sciences | OK | 100% | 21-09-2026 06:52:29 (GMT) | WHOIS |
194.225.62.80
|
AS43965 | Tehran University of Medical Science | OK | 100% | 21-09-2026 06:52:32 (GMT) | WHOIS |
195.211.71.98
|
AS48314 | IP-Projects GmbH & Co. KG | OK | 100% | 21-09-2026 06:57:56 (GMT) | WHOIS |
2.188.21.190
|
AS49666 | Telecommunication Infrastructure Company | OK | 100% | 21-09-2026 07:16:49 (GMT) | WHOIS |
2.188.21.100
|
AS49666 | Telecommunication Infrastructure Company | OK | 99% | 21-09-2026 07:16:38 (GMT) | WHOIS |
2.188.21.120
|
AS49666 | Telecommunication Infrastructure Company | OK | 99% | 21-09-2026 07:16:39 (GMT) | WHOIS |
2.188.21.240
|
AS49666 | Telecommunication Infrastructure Company | OK | 99% | 21-09-2026 07:16:54 (GMT) | WHOIS |
2.188.21.230
|
AS49666 | Telecommunication Infrastructure Company | OK | 98% | 21-09-2026 07:16:53 (GMT) | WHOIS |
2.189.1.13
|
AS49666 | Telecommunication Infrastructure Company | OK | 98% | 21-09-2026 07:16:56 (GMT) | WHOIS |
2.189.1.12
|
AS49666 | Telecommunication Infrastructure Company | OK | 98% | 21-09-2026 07:16:52 (GMT) | WHOIS |
2.189.1.19
|
AS49666 | Telecommunication Infrastructure Company | OK | 97% | 21-09-2026 07:17:00 (GMT) | WHOIS |
2.189.1.11
|
AS49666 | Telecommunication Infrastructure Company | OK | 97% | 21-09-2026 07:16:49 (GMT) | WHOIS |
2.189.1.251
|
AS49666 | Telecommunication Infrastructure Company | OK | 97% | 21-09-2026 07:16:46 (GMT) | WHOIS |
2.189.1.104
|
AS49666 | Telecommunication Infrastructure Company | OK | 97% | 21-09-2026 07:16:46 (GMT) | WHOIS |
2.189.1.0
|
AS49666 | Telecommunication Infrastructure Company | OK | 97% | 21-09-2026 07:16:41 (GMT) | WHOIS |
2.189.1.15
|
AS49666 | Telecommunication Infrastructure Company | OK | 97% | 21-09-2026 07:16:58 (GMT) | WHOIS |
2.189.1.14
|
AS49666 | Telecommunication Infrastructure Company | OK | 97% | 21-09-2026 07:16:57 (GMT) | WHOIS |
2.189.1.10
|
AS49666 | Telecommunication Infrastructure Company | OK | 97% | 21-09-2026 07:16:43 (GMT) | WHOIS |
2.189.1.253
|
AS49666 | Telecommunication Infrastructure Company | OK | 97% | 21-09-2026 07:16:49 (GMT) | WHOIS |
217.218.26.78
|
AS58224 | Iran Telecommunication Company PJS | OK | 97% | 21-09-2026 08:16:07 (GMT) | WHOIS |
2.188.21.200
|
AS49666 | Telecommunication Infrastructure Company | OK | 96% | 21-09-2026 07:16:50 (GMT) | WHOIS |
2.188.21.20
|
AS49666 | Telecommunication Infrastructure Company | OK | 95% | 21-09-2026 07:16:50 (GMT) | WHOIS |
185.206.229.31
|
AS201703 | Andisheh Sabz Mahan Co. Ltd | OK | 87% | 21-09-2026 06:03:41 (GMT) | WHOIS |
46.100.40.59
|
AS58224 | Iran Telecommunication Company PJS | OK | 87% | 21-09-2026 09:22:37 (GMT) | WHOIS |
2.188.184.19
|
AS49666 | Telecommunication Infrastructure Company | OK | 86% | 21-09-2026 07:16:37 (GMT) | WHOIS |
DNS tools for Iran
- Test DNS speed from your location — find the fastest server for Iran
- Check your DNS privacy score — test for leaks, encryption, and DNSSEC
- Iran ISP DNS servers — check your ISP's DNS configuration
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