Port 53
Whether 53 is a common TCP/UDP port.
endpoint: https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/port-53/mcp
registry: io.github.sadri-dridi/port-53
A
recent success 100% (30 probes) ·
MCP handshake OK
· protocol 2025-03-26
TLS valid (53d left) · latency 88.0 ms ·
HTTP 200 · auth open ·
tools 31
manifest 5d1e07d9034a1f95
· drift events seen here: 4
Embed this grade
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Recent probes
| time (UTC) | ok | grade | mcp | latency | tls | tools | hash |
|---|---|---|---|---|---|---|---|
| 2026-10-12T04:51:26Z | ✓ | A | ✓ | 88.0 ms | 53d | 31 | 5d1e07d9034a1f95 |
| 2026-10-11T22:50:20Z | ✓ | A | ✓ | 125.0 ms | 54d | 31 | 5d1e07d9034a1f95 |
| 2026-10-11T16:49:51Z | ✓ | A | ✓ | 181.0 ms | 54d | 31 | 5d1e07d9034a1f95 |
| 2026-10-11T10:48:43Z | ✓ | A | ✓ | 127.0 ms | 54d | 31 | 5d1e07d9034a1f95 |
| 2026-10-11T04:47:35Z | ✓ | A | ✓ | 64.0 ms | 54d | 31 | 5d1e07d9034a1f95 |
| 2026-10-10T22:46:02Z | ✓ | A | ✓ | 78.0 ms | 55d | 31 | 5d1e07d9034a1f95 |
| 2026-10-10T16:44:12Z | ✓ | A | ✓ | 74.0 ms | 55d | 31 | 5d1e07d9034a1f95 |
| 2026-10-10T10:42:19Z | ✓ | A | ✓ | 73.0 ms | 55d | 31 | 5d1e07d9034a1f95 |
| 2026-10-10T04:41:17Z | ✓ | A | ✓ | 84.0 ms | 55d | 31 | 5d1e07d9034a1f95 |
| 2026-10-09T22:39:09Z | ✓ | A | ✓ | 96.0 ms | 56d | 31 | 5d1e07d9034a1f95 |
| 2026-10-09T16:38:41Z | ✓ | A | ✓ | 85.0 ms | 56d | 31 | 5d1e07d9034a1f95 |
| 2026-10-09T10:38:02Z | ✓ | A | ✓ | 67.0 ms | 56d | 31 | 5d1e07d9034a1f95 |
| 2026-10-09T04:37:47Z | ✓ | A | ✓ | 115.0 ms | 56d | 31 | 5d1e07d9034a1f95 |
| 2026-10-08T22:34:49Z | ✓ | A | ✓ | 133.0 ms | 57d | 31 | 5d1e07d9034a1f95 |
| 2026-10-08T16:34:18Z | ✓ | A | ✓ | 95.0 ms | 57d | 31 | 5d1e07d9034a1f95 |
| 2026-10-08T10:33:04Z | ✓ | A | ✓ | 149.0 ms | 57d | 31 | 5d1e07d9034a1f95 |
| 2026-10-08T04:32:20Z | ✓ | A | ✓ | 84.0 ms | 57d | 31 | 5d1e07d9034a1f95 |
| 2026-10-07T22:31:39Z | ✓ | A | ✓ | 107.0 ms | 58d | 31 | 5d1e07d9034a1f95 |
| 2026-10-07T16:31:25Z | ✓ | A | ✓ | 141.0 ms | 58d | 31 | 5d1e07d9034a1f95 |
| 2026-10-07T10:28:56Z | ✓ | A | ✓ | 59.0 ms | 58d | 31 | 5d1e07d9034a1f95 |
| 2026-10-07T04:27:51Z | ✓ | A | ✓ | 146.0 ms | 58d | 31 | 5d1e07d9034a1f95 |
| 2026-10-06T22:26:53Z | ✓ | A | ✓ | 64.0 ms | 59d | 31 | 5d1e07d9034a1f95 |
| 2026-10-06T16:26:27Z | ✓ | A | ✓ | 43.0 ms | 59d | 31 | 5d1e07d9034a1f95 |
| 2026-10-06T10:24:58Z | ✓ | A | ✓ | 71.0 ms | 59d | 31 | 5d1e07d9034a1f95 |
| 2026-10-06T04:24:15Z | ✓ | A | ✓ | 82.0 ms | 59d | 31 | 5d1e07d9034a1f95 |
| 2026-10-05T22:23:05Z | ✓ | A | ✓ | 47.0 ms | 60d | 31 | 5d1e07d9034a1f95 |
| 2026-10-05T16:22:30Z | ✓ | A | ✓ | 88.0 ms | 60d | 31 | 5d1e07d9034a1f95 |
| 2026-10-05T10:20:37Z | ✓ | A | ✓ | 106.0 ms | 60d | 31 | 5d1e07d9034a1f95 |
| 2026-10-05T04:19:23Z | ✓ | A | ✓ | 91.0 ms | 60d | 31 | 5d1e07d9034a1f95 |
| 2026-10-04T22:18:26Z | ✓ | A | ✓ | 50.0 ms | 61d | 31 | 5d1e07d9034a1f95 |