DNS response history for ns1.irib.ir

ns1.irib.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 2026-08-26. For this date, NameServerHistory found 34 DNS check records, 34 successful responses, 0 failed responses, and 279 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 ns1.irib.ir.
Records on Selected Date

34

Historical checks stored for this nameserver on selected date

Average Latency

279 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 11:36

All timestamps shown in UTC

Latest Resolved IP on Selected Date

77.36.164.20

Most recently resolved hosting IP on selected date

Successful Responses

34

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 ns1.irib.ir

Showing DNS history for 2026-08-26 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
34 2026-08-26 11:36 639233403515141099
717 ms 77.36.164.20
33 2026-08-26 10:41 639233370841350248
454 ms 77.36.164.20
32 2026-08-26 10:24 639233360361507238
374 ms 77.36.164.20
31 2026-08-26 10:06 639233350067824371
193 ms 77.36.164.20
30 2026-08-26 09:49 639233339545274518
775 ms 77.36.164.20
29 2026-08-26 09:32 639233329214918079
281 ms 77.36.164.20
28 2026-08-26 09:14 639233318749762337
189 ms 77.36.164.20
27 2026-08-26 08:57 639233308387917838
565 ms 77.36.164.20
26 2026-08-26 08:40 639233297961740122
183 ms 77.36.164.20
25 2026-08-26 08:22 639233287487159094
289 ms 77.36.164.20
24 2026-08-26 08:05 639233276995531707
178 ms 77.36.164.20
23 2026-08-26 07:47 639233266521568229
76 ms 77.36.164.20
22 2026-08-26 07:30 639233256081047431
7 ms 77.36.164.20
21 2026-08-26 06:36 639233223620132921
12 ms 77.36.164.20
20 2026-08-26 06:19 639233213287814244
87 ms 77.36.164.20
19 2026-08-26 06:01 639233202925983161
23 ms 77.36.164.20
18 2026-08-26 05:44 639233192644780696
3 ms 77.36.164.20
17 2026-08-26 05:27 639233182401183833
36 ms 77.36.164.20
16 2026-08-26 05:10 639233172074181051
317 ms 77.36.164.20
15 2026-08-26 04:53 639233161808421455
194 ms 77.36.164.20
14 2026-08-26 04:35 639233151357344052
193 ms 77.36.164.20
13 2026-08-26 04:18 639233141034116946
87 ms 77.36.164.20
12 2026-08-26 04:01 639233130828334142
325 ms 77.36.164.20
11 2026-08-26 03:44 639233120373450007
2144 ms 77.36.164.20
10 2026-08-26 03:26 639233110066216193
188 ms 77.36.164.20
9 2026-08-26 02:33 639233078065410564
285 ms 77.36.164.20
8 2026-08-26 02:16 639233067787457832
185 ms 77.36.164.20
7 2026-08-26 01:59 639233057501801162
196 ms 77.36.164.20
6 2026-08-26 01:42 639233047089431703
101 ms 77.36.164.20
5 2026-08-26 01:24 639233036754790688
279 ms 77.36.164.20
4 2026-08-26 01:07 639233026412602472
7 ms 77.36.164.20
3 2026-08-26 00:50 639233016064066127
280 ms 77.36.164.20
2 2026-08-26 00:33 639233005922655772
86 ms 77.36.164.20
1 2026-08-26 00:16 639232995672256907
191 ms 77.36.164.20