DNS response history for ns2.isri.ac.ir

ns2.isri.ac.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 38 DNS check records, 38 successful responses, 0 failed responses, and 818 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.isri.ac.ir.
Records on Selected Date

38

Historical checks stored for this nameserver on selected date

Average Latency

818 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 13:13

All timestamps shown in UTC

Latest Resolved IP on Selected Date

185.252.86.121

Most recently resolved hosting IP on selected date

Successful Responses

38

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.isri.ac.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
38 2026-08-25 13:13 639232597643611557
752 ms 185.252.86.121
37 2026-08-25 12:56 639232587225721862
296 ms 185.252.86.121
36 2026-08-25 12:38 639232576780683689
774 ms 185.252.86.121
35 2026-08-25 12:21 639232566381512620
118 ms 185.252.86.121
34 2026-08-25 12:04 639232556111768563
756 ms 185.252.86.121
33 2026-08-25 11:47 639232545839529039
755 ms 185.252.86.121
32 2026-08-25 11:29 639232535349285207
2013 ms 185.252.86.121
31 2026-08-25 11:12 639232524938080723
2173 ms 185.252.86.121
30 2026-08-25 10:18 639232492740373468
756 ms 185.252.86.121
29 2026-08-25 10:01 639232482235303141
143 ms 185.252.86.121
28 2026-08-25 09:43 639232471861770303
752 ms 185.252.86.121
27 2026-08-25 09:26 639232461630217327
759 ms 185.252.86.121
26 2026-08-25 09:09 639232451282965990
237 ms 185.252.86.121
25 2026-08-25 08:52 639232440814614938
280 ms 185.252.86.121
24 2026-08-25 08:34 639232430410720425
759 ms 185.252.86.121
23 2026-08-25 08:17 639232420003096185
754 ms 185.252.86.121
22 2026-08-25 08:00 639232409467287444
342 ms 185.252.86.121
21 2026-08-25 07:42 639232399077195997
214 ms 185.252.86.121
20 2026-08-25 07:25 639232388731528337
876 ms 185.252.86.121
19 2026-08-25 07:07 639232378288598612
743 ms 185.252.86.121
18 2026-08-25 06:14 639232346196373643
758 ms 185.252.86.121
17 2026-08-25 05:57 639232336112370741
290 ms 185.252.86.121
16 2026-08-25 05:40 639232326146508970
280 ms 185.252.86.121
15 2026-08-25 05:24 639232316189381720
236 ms 185.252.86.121
14 2026-08-25 05:07 639232306217998913
222 ms 185.252.86.121
13 2026-08-25 04:51 639232296255744174
290 ms 185.252.86.121
12 2026-08-25 04:34 639232286095760789
754 ms 185.252.86.121
11 2026-08-25 04:17 639232276086186273
761 ms 185.252.86.121
10 2026-08-25 04:00 639232265900986425
148 ms 185.252.86.121
9 2026-08-25 03:43 639232255723518075
752 ms 185.252.86.121
8 2026-08-25 03:26 639232245484452890
707 ms 185.252.86.121
7 2026-08-25 03:09 639232235157175331
751 ms 185.252.86.121
6 2026-08-25 02:16 639232203197189095
163 ms 185.252.86.121
5 2026-08-25 01:59 639232192844564298
4756 ms 185.252.86.121
4 2026-08-25 01:41 639232182496008942
752 ms 185.252.86.121
3 2026-08-25 01:24 639232172197053132
872 ms 185.252.86.121
2 2026-08-25 00:31 639232140250307418
219 ms 185.252.86.121
1 2026-08-25 00:14 639232129927860324
4124 ms 185.252.86.121