Public DNS Servers in Sri Lanka
12 servers verified as of .
We currently list 12 public DNS servers in Sri Lanka, each verified through our automated 72-hour probe cycle. Of these, 25% (3 servers) validate DNSSEC signatures, protecting users from DNS spoofing attacks. Top providers in Sri Lanka include Lanka Communication Services, Sri Lanka Telecom Internet, Dialog Axiata PLC.. We also track 65 servers with known issues in Sri Lanka, including NXDOMAIN hijacking and response errors. For the fastest DNS in Sri Lanka, 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 Sri Lanka
| Median response time | 197 ms (across 12 measured servers) |
|---|---|
| Highly reliable (≥90% uptime) | 11 servers (92%) |
| DNSSEC validating | 3 servers (25%) |
| Servers with known issues | 65 flagged |
Metrics from our last probe cycle: every server in Sri Lanka is tested for response time, reliability, DNSSEC validation, and NXDOMAIN integrity on a 72-hour cycle. The median response of 197 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 |
|---|---|---|---|---|---|---|
203.143.18.137
|
AS5087 | Lanka Communication Services | OK | 100% | 06-08-2026 07:32:32 (GMT) | WHOIS |
103.1.179.24
|
AS5087 | Lanka Communication Services | OK | 100% | 06-08-2026 02:38:15 (GMT) | WHOIS |
124.43.208.180
|
AS9329 | Sri Lanka Telecom Internet | OK | 100% | 06-08-2026 03:58:45 (GMT) | WHOIS |
124.43.208.179
|
AS9329 | Sri Lanka Telecom Internet | OK | 100% | 06-08-2026 03:58:44 (GMT) | WHOIS |
122.255.3.98
|
AS18001 | Dialog Axiata PLC. | OK | 100% | 06-08-2026 03:54:02 (GMT) | WHOIS |
203.143.20.11
|
AS5087 | Lanka Communication Services | NX_HIJACK | 99% | 06-08-2026 07:32:28 (GMT) | WHOIS |
103.1.179.167
|
AS5087 | Lanka Communication Services | NX_HIJACK | 99% | 06-08-2026 02:38:12 (GMT) | WHOIS |
122.255.41.211
|
AS18001 | Dialog Axiata PLC. | OK | 99% | 06-08-2026 03:54:05 (GMT) | WHOIS |
203.143.15.169
|
AS5087 | Lanka Communication Services | OK | 99% | 06-08-2026 07:32:30 (GMT) | WHOIS |
124.6.249.133
|
AS45356 | Mobitel Pvt Ltd | OK | 95% | 06-08-2026 03:59:16 (GMT) | WHOIS |
116.12.74.17
|
AS5087 | Lanka Communication Services | OK | 92% | 06-08-2026 03:39:42 (GMT) | WHOIS |
124.6.249.132
|
AS45356 | Mobitel Pvt Ltd | OK | 84% | 06-08-2026 03:59:15 (GMT) | WHOIS |
DNS tools for Sri Lanka
- Test DNS speed from your location — find the fastest server for Sri Lanka
- Check your DNS privacy score — test for leaks, encryption, and DNSSEC
- Sri Lanka ISP DNS servers — check your ISP's DNS configuration
- Best DNS for gaming
- Best private DNS servers
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