History for ns2.isti.ir
Domain: isti.ir • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns2.isti.ir
ns2.isti.ir is a DNS nameserver monitored by NameServerHistory. This page provides historical DNS response-time data, nameserver uptime signals, DNS latency observations, resolved IP history, successful response counts, failed response counts, and reliability indicators for this nameserver.
The selected UTC date is 2026-08-25. For this date, NameServerHistory found 42 DNS check records, 42 successful responses, 0 failed responses, and 546 ms average response time. Current selected-date status: At least one successful DNS response was recorded for the selected date.
- Use this report to investigate historical DNS uptime and nameserver reliability.
- Compare DNS latency changes, failed DNS checks, and response behavior over time.
- Review the latest resolved IP address and raw DNS check history for ns2.isti.ir.
Records on Selected Date
42
Historical checks stored for this nameserver on selected date
Average Latency
546 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 14:24
All timestamps shown in UTC
Latest Resolved IP on Selected Date
194.225.136.4
Most recently resolved hosting IP on selected date
Successful Responses
42
Checks that returned a measurable response
Failed Responses
0
Checks with no response or no returned latency
Failure Rate
0%
Based on the selected date history
Selected Date Status
Responsive
At least one successful response exists on selected date
History for ns2.isti.ir
Showing DNS history for 2026-08-25 UTC. Newest records appear first.
Latency bars are scaled to a maximum of 5000 ms for quick visual comparison.
| # | Query Time (UTC) | Correlation ID | Latency | Response | IP Address |
|---|---|---|---|---|---|
| 42 | 2026-08-25 14:24 | 639232638994329666 |
|
367 ms | 194.225.136.4 |
| 41 | 2026-08-25 14:07 | 639232628614783237 |
|
2191 ms | 194.225.136.4 |
| 40 | 2026-08-25 13:50 | 639232618360728578 |
|
349 ms | 194.225.136.4 |
| 39 | 2026-08-25 13:32 | 639232608016476376 |
|
360 ms | 194.225.136.4 |
| 38 | 2026-08-25 13:15 | 639232597643611557 |
|
354 ms | 194.225.136.4 |
| 37 | 2026-08-25 12:58 | 639232587225721862 |
|
175 ms | 194.225.136.4 |
| 36 | 2026-08-25 12:40 | 639232576780683689 |
|
359 ms | 194.225.136.4 |
| 35 | 2026-08-25 12:23 | 639232566381512620 |
|
468 ms | 194.225.136.4 |
| 34 | 2026-08-25 12:06 | 639232556111768563 |
|
372 ms | 194.225.136.4 |
| 33 | 2026-08-25 11:49 | 639232545839529039 |
|
346 ms | 194.225.136.4 |
| 32 | 2026-08-25 11:31 | 639232535349285207 |
|
364 ms | 194.225.136.4 |
| 31 | 2026-08-25 11:14 | 639232524938080723 |
|
364 ms | 194.225.136.4 |
| 30 | 2026-08-25 10:20 | 639232492740373468 |
|
467 ms | 194.225.136.4 |
| 29 | 2026-08-25 10:03 | 639232482235303141 |
|
463 ms | 194.225.136.4 |
| 28 | 2026-08-25 09:45 | 639232471861770303 |
|
857 ms | 194.225.136.4 |
| 27 | 2026-08-25 09:28 | 639232461630217327 |
|
2080 ms | 194.225.136.4 |
| 26 | 2026-08-25 09:11 | 639232451282965990 |
|
610 ms | 194.225.136.4 |
| 25 | 2026-08-25 08:54 | 639232440814614938 |
|
467 ms | 194.225.136.4 |
| 24 | 2026-08-25 08:36 | 639232430410720425 |
|
612 ms | 194.225.136.4 |
| 23 | 2026-08-25 08:19 | 639232420003096185 |
|
614 ms | 194.225.136.4 |
| 22 | 2026-08-25 08:02 | 639232409467287444 |
|
359 ms | 194.225.136.4 |
| 21 | 2026-08-25 07:44 | 639232399077195997 |
|
364 ms | 194.225.136.4 |
| 20 | 2026-08-25 07:27 | 639232388731528337 |
|
348 ms | 194.225.136.4 |
| 19 | 2026-08-25 07:10 | 639232378288598612 |
|
363 ms | 194.225.136.4 |
| 18 | 2026-08-25 06:16 | 639232346196373643 |
|
358 ms | 194.225.136.4 |
| 17 | 2026-08-25 05:59 | 639232336112370741 |
|
354 ms | 194.225.136.4 |
| 16 | 2026-08-25 05:42 | 639232326146508970 |
|
521 ms | 194.225.136.4 |
| 15 | 2026-08-25 05:26 | 639232316189381720 |
|
2104 ms | 194.225.136.4 |
| 14 | 2026-08-25 05:09 | 639232306217998913 |
|
467 ms | 194.225.136.4 |
| 13 | 2026-08-25 04:53 | 639232296255744174 |
|
359 ms | 194.225.136.4 |
| 12 | 2026-08-25 04:36 | 639232286095760789 |
|
356 ms | 194.225.136.4 |
| 11 | 2026-08-25 04:19 | 639232276086186273 |
|
356 ms | 194.225.136.4 |
| 10 | 2026-08-25 04:02 | 639232265900986425 |
|
358 ms | 194.225.136.4 |
| 9 | 2026-08-25 03:45 | 639232255723518075 |
|
355 ms | 194.225.136.4 |
| 8 | 2026-08-25 03:28 | 639232245484452890 |
|
1158 ms | 194.225.136.4 |
| 7 | 2026-08-25 03:11 | 639232235157175331 |
|
359 ms | 194.225.136.4 |
| 6 | 2026-08-25 02:18 | 639232203197189095 |
|
349 ms | 194.225.136.4 |
| 5 | 2026-08-25 02:01 | 639232192844564298 |
|
457 ms | 194.225.136.4 |
| 4 | 2026-08-25 01:43 | 639232182496008942 |
|
461 ms | 194.225.136.4 |
| 3 | 2026-08-25 01:26 | 639232172197053132 |
|
173 ms | 194.225.136.4 |
| 2 | 2026-08-25 00:33 | 639232140250307418 |
|
354 ms | 194.225.136.4 |
| 1 | 2026-08-25 00:16 | 639232129927860324 |
|
362 ms | 194.225.136.4 |