DNS response history for cdn2.irandns.com

cdn2.irandns.com 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 70 DNS check records, 69 successful responses, 1 failed responses, and 220 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 cdn2.irandns.com.
Records on Selected Date

70

Historical checks stored for this nameserver on selected date

Average Latency

220 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 23:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

198.251.90.151

Most recently resolved hosting IP on selected date

Successful Responses

69

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for cdn2.irandns.com

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
70 2026-08-26 23:48 639233846871926285
2036 ms 198.251.90.151
69 2026-08-26 22:54 639233814527872887
32 ms 198.251.90.151
68 2026-08-26 22:37 639233804315489381
2032 ms 198.251.90.151
67 2026-08-26 22:19 639233793971346256
2105 ms 198.251.90.151
66 2026-08-26 22:02 639233783644630463
55 ms 198.251.90.151
65 2026-08-26 21:45 639233773302621314
27 ms 198.251.90.151
64 2026-08-26 21:28 639233762896723748
24 ms 198.251.90.151
63 2026-08-26 21:10 639233752543876329
45 ms 198.251.90.151
62 2026-08-26 20:53 639233742155931788
31 ms 198.251.90.151
61 2026-08-26 20:36 639233731712555311
42 ms 198.251.90.151
60 2026-08-26 20:18 639233721164051126
41 ms 198.251.90.151
59 2026-08-26 20:00 639233710560486320
-
58 2026-08-26 19:43 639233699834667450
27 ms 198.251.90.151
57 2026-08-26 18:48 639233667209186136
123 ms 198.251.90.151
56 2026-08-26 18:31 639233656814316266
125 ms 198.251.90.151
55 2026-08-26 18:13 639233646245051806
2040 ms 198.251.90.151
54 2026-08-26 17:56 639233635663779051
29 ms 198.251.90.151
53 2026-08-26 17:38 639233624977342122
45 ms 198.251.90.151
52 2026-08-26 17:20 639233614446136153
2020 ms 198.251.90.151
51 2026-08-26 17:02 639233603737877581
28 ms 198.251.90.151
50 2026-08-26 16:45 639233593269224651
2056 ms 198.251.90.151
49 2026-08-26 16:27 639233582635086903
42 ms 198.251.90.151
48 2026-08-26 16:09 639233572000374575
40 ms 198.251.90.151
47 2026-08-26 15:52 639233561188633861
37 ms 198.251.90.151
46 2026-08-26 15:34 639233550544357027
20 ms 198.251.90.151
45 2026-08-26 14:39 639233517966053117
25 ms 198.251.90.151
44 2026-08-26 14:22 639233507603253585
81 ms 198.251.90.151
43 2026-08-26 14:05 639233497229039167
26 ms 198.251.90.151
42 2026-08-26 13:48 639233486864546406
20 ms 198.251.90.151
41 2026-08-26 13:30 639233476455174682
26 ms 198.251.90.151
40 2026-08-26 13:13 639233466171592605
12 ms 198.251.90.151
39 2026-08-26 12:56 639233455747096265
142 ms 198.251.90.151
38 2026-08-26 12:38 639233445367152284
34 ms 198.251.90.151
37 2026-08-26 12:21 639233434974187439
27 ms 198.251.90.151
36 2026-08-26 12:04 639233424567558554
149 ms 198.251.90.151
35 2026-08-26 11:46 639233414056832719
36 ms 198.251.90.151
34 2026-08-26 11:29 639233403515141099
41 ms 198.251.90.151
33 2026-08-26 10:34 639233370841350248
44 ms 198.251.90.151
32 2026-08-26 10:17 639233360361507238
99 ms 198.251.90.151
31 2026-08-26 10:00 639233350067824371
50 ms 198.251.90.151
30 2026-08-26 09:42 639233339545274518
43 ms 198.251.90.151
29 2026-08-26 09:25 639233329214918079
109 ms 198.251.90.151
28 2026-08-26 09:07 639233318749762337
54 ms 198.251.90.151
27 2026-08-26 08:50 639233308387917838
29 ms 198.251.90.151
26 2026-08-26 08:33 639233297961740122
20 ms 198.251.90.151
25 2026-08-26 08:15 639233287487159094
54 ms 198.251.90.151
24 2026-08-26 07:58 639233276995531707
21 ms 198.251.90.151
23 2026-08-26 07:40 639233266521568229
29 ms 198.251.90.151
22 2026-08-26 07:23 639233256081047431
51 ms 198.251.90.151
21 2026-08-26 06:29 639233223620132921
42 ms 198.251.90.151
20 2026-08-26 06:12 639233213287814244
70 ms 198.251.90.151
19 2026-08-26 05:54 639233202925983161
36 ms 198.251.90.151
18 2026-08-26 05:37 639233192644780696
27 ms 198.251.90.151
17 2026-08-26 05:20 639233182401183833
41 ms 198.251.90.151
16 2026-08-26 05:03 639233172074181051
26 ms 198.251.90.151
15 2026-08-26 04:46 639233161808421455
121 ms 198.251.90.151
14 2026-08-26 04:28 639233151357344052
26 ms 198.251.90.151
13 2026-08-26 04:11 639233141034116946
69 ms 198.251.90.151
12 2026-08-26 03:54 639233130828334142
122 ms 198.251.90.151
11 2026-08-26 03:37 639233120373450007
49 ms 198.251.90.151
10 2026-08-26 03:20 639233110066216193
17 ms 198.251.90.151
9 2026-08-26 02:26 639233078065410564
4 ms 198.251.90.151
8 2026-08-26 02:09 639233067787457832
28 ms 198.251.90.151
7 2026-08-26 01:52 639233057501801162
40 ms 198.251.90.151
6 2026-08-26 01:35 639233047089431703
28 ms 198.251.90.151
5 2026-08-26 01:17 639233036754790688
7 ms 198.251.90.151
4 2026-08-26 01:00 639233026412602472
29 ms 198.251.90.151
3 2026-08-26 00:43 639233016064066127
45 ms 198.251.90.151
2 2026-08-26 00:26 639233005922655772
19 ms 198.251.90.151
1 2026-08-26 00:09 639232995672256907
26 ms 198.251.90.151