DNS response history for ns1.zian.ir

ns1.zian.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 64 DNS check records, 64 successful responses, 0 failed responses, and 284 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.zian.ir.
Records on Selected Date

64

Historical checks stored for this nameserver on selected date

Average Latency

284 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 21:32

All timestamps shown in UTC

Latest Resolved IP on Selected Date

49.12.128.158

Most recently resolved hosting IP on selected date

Successful Responses

64

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.zian.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
64 2026-08-26 21:32 639233762896723748
36 ms 49.12.128.158
63 2026-08-26 21:14 639233752543876329
156 ms 49.12.128.158
62 2026-08-26 20:57 639233742155931788
70 ms 49.12.128.158
61 2026-08-26 20:40 639233731712555311
80 ms 49.12.128.158
60 2026-08-26 20:22 639233721164051126
7 ms 49.12.128.158
59 2026-08-26 20:05 639233710560486320
31 ms 49.12.128.158
58 2026-08-26 19:47 639233699834667450
59 ms 49.12.128.158
57 2026-08-26 18:52 639233667209186136
69 ms 49.12.128.158
56 2026-08-26 18:35 639233656814316266
22 ms 49.12.128.158
55 2026-08-26 18:17 639233646245051806
7 ms 49.12.128.158
54 2026-08-26 18:00 639233635663779051
1289 ms 49.12.128.158
53 2026-08-26 17:42 639233624977342122
459 ms 49.12.128.158
52 2026-08-26 17:24 639233614446136153
2069 ms 49.12.128.158
51 2026-08-26 17:06 639233603737877581
62 ms 49.12.128.158
50 2026-08-26 16:49 639233593269224651
53 ms 49.12.128.158
49 2026-08-26 16:31 639233582635086903
43 ms 49.12.128.158
48 2026-08-26 16:14 639233572000374575
44 ms 49.12.128.158
47 2026-08-26 15:56 639233561188633861
58 ms 49.12.128.158
46 2026-08-26 15:38 639233550544357027
2041 ms 49.12.128.158
45 2026-08-26 14:44 639233517966053117
57 ms 49.12.128.158
44 2026-08-26 14:26 639233507603253585
61 ms 49.12.128.158
43 2026-08-26 14:09 639233497229039167
12 ms 49.12.128.158
42 2026-08-26 13:52 639233486864546406
60 ms 49.12.128.158
41 2026-08-26 13:34 639233476455174682
7 ms 49.12.128.158
40 2026-08-26 13:17 639233466171592605
2163 ms 49.12.128.158
39 2026-08-26 13:00 639233455747096265
91 ms 49.12.128.158
38 2026-08-26 12:43 639233445367152284
7 ms 49.12.128.158
37 2026-08-26 12:25 639233434974187439
27 ms 49.12.128.158
36 2026-08-26 12:08 639233424567558554
8 ms 49.12.128.158
35 2026-08-26 11:50 639233414056832719
2053 ms 49.12.128.158
34 2026-08-26 11:33 639233403515141099
57 ms 49.12.128.158
33 2026-08-26 10:38 639233370841350248
10 ms 49.12.128.158
32 2026-08-26 10:21 639233360361507238
51 ms 49.12.128.158
31 2026-08-26 10:04 639233350067824371
7 ms 49.12.128.158
30 2026-08-26 09:46 639233339545274518
41 ms 49.12.128.158
29 2026-08-26 09:29 639233329214918079
84 ms 49.12.128.158
28 2026-08-26 09:12 639233318749762337
31 ms 49.12.128.158
27 2026-08-26 08:54 639233308387917838
55 ms 49.12.128.158
26 2026-08-26 08:37 639233297961740122
58 ms 49.12.128.158
25 2026-08-26 08:20 639233287487159094
67 ms 49.12.128.158
24 2026-08-26 08:02 639233276995531707
355 ms 49.12.128.158
23 2026-08-26 07:44 639233266521568229
53 ms 49.12.128.158
22 2026-08-26 07:27 639233256081047431
160 ms 49.12.128.158
21 2026-08-26 06:33 639233223620132921
58 ms 49.12.128.158
20 2026-08-26 06:16 639233213287814244
274 ms 49.12.128.158
19 2026-08-26 05:58 639233202925983161
2007 ms 49.12.128.158
18 2026-08-26 05:41 639233192644780696
62 ms 49.12.128.158
17 2026-08-26 05:24 639233182401183833
56 ms 49.12.128.158
16 2026-08-26 05:07 639233172074181051
138 ms 49.12.128.158
15 2026-08-26 04:50 639233161808421455
7 ms 49.12.128.158
14 2026-08-26 04:33 639233151357344052
63 ms 49.12.128.158
13 2026-08-26 04:15 639233141034116946
58 ms 49.12.128.158
12 2026-08-26 03:58 639233130828334142
57 ms 49.12.128.158
11 2026-08-26 03:41 639233120373450007
60 ms 49.12.128.158
10 2026-08-26 03:24 639233110066216193
66 ms 49.12.128.158
9 2026-08-26 02:30 639233078065410564
274 ms 49.12.128.158
8 2026-08-26 02:13 639233067787457832
2291 ms 49.12.128.158
7 2026-08-26 01:56 639233057501801162
16 ms 49.12.128.158
6 2026-08-26 01:39 639233047089431703
200 ms 49.12.128.158
5 2026-08-26 01:22 639233036754790688
57 ms 49.12.128.158
4 2026-08-26 01:04 639233026412602472
69 ms 49.12.128.158
3 2026-08-26 00:47 639233016064066127
63 ms 49.12.128.158
2 2026-08-26 00:30 639233005922655772
7 ms 49.12.128.158
1 2026-08-26 00:13 639232995672256907
59 ms 49.12.128.158