DNS response history for ns2.rzb.ir

ns2.rzb.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 66 DNS check records, 66 successful responses, 0 failed responses, and 137 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.rzb.ir.
Records on Selected Date

66

Historical checks stored for this nameserver on selected date

Average Latency

137 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 14:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

178.216.251.232

Most recently resolved hosting IP on selected date

Successful Responses

66

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.rzb.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
66 2026-08-26 14:46 639233517966053117
13 ms 178.216.251.232
65 2026-08-26 14:28 639233507603253585
34 ms 178.216.251.232
64 2026-08-26 14:11 639233497229039167
37 ms 178.216.251.232
63 2026-08-26 13:53 639233486864546406
110 ms 178.216.251.232
62 2026-08-26 13:36 639233476455174682
539 ms 178.216.251.232
61 2026-08-26 13:19 639233466171592605
47 ms 178.216.251.232
60 2026-08-26 13:02 639233455747096265
36 ms 178.216.251.232
59 2026-08-26 12:44 639233445367152284
100 ms 178.216.251.232
58 2026-08-26 12:27 639233434974187439
40 ms 178.216.251.232
57 2026-08-26 12:10 639233424567558554
156 ms 178.216.251.232
56 2026-08-26 11:52 639233414056832719
7 ms 178.216.251.232
55 2026-08-26 11:35 639233403515141099
35 ms 178.216.251.232
54 2026-08-26 10:40 639233370841350248
173 ms 178.216.251.232
53 2026-08-26 10:23 639233360361507238
6 ms 178.216.251.232
52 2026-08-26 10:05 639233350067824371
33 ms 178.216.251.232
51 2026-08-26 09:48 639233339545274518
19 ms 178.216.251.232
50 2026-08-26 09:31 639233329214918079
38 ms 178.216.251.232
49 2026-08-26 09:13 639233318749762337
5 ms 178.216.251.232
48 2026-08-26 08:56 639233308387917838
192 ms 178.216.251.232
47 2026-08-26 08:39 639233297961740122
33 ms 178.216.251.232
46 2026-08-26 08:21 639233287487159094
16 ms 178.216.251.232
45 2026-08-26 08:04 639233276995531707
39 ms 178.216.251.232
44 2026-08-26 07:46 639233266521568229
2026 ms 178.216.251.232
43 2026-08-26 07:29 639233256081047431
20 ms 178.216.251.232
42 2026-08-26 06:35 639233223620132921
45 ms 172.67.196.142
41 2026-08-26 06:35 639233223620132921
45 ms 104.21.92.167
40 2026-08-26 06:18 639233213287814244
22 ms 104.21.92.167
39 2026-08-26 06:18 639233213287814244
22 ms 172.67.196.142
38 2026-08-26 06:00 639233202925983161
32 ms 104.21.92.167
37 2026-08-26 06:00 639233202925983161
32 ms 172.67.196.142
36 2026-08-26 05:43 639233192644780696
39 ms 172.67.196.142
35 2026-08-26 05:43 639233192644780696
39 ms 104.21.92.167
34 2026-08-26 05:26 639233182401183833
20 ms 104.21.92.167
33 2026-08-26 05:26 639233182401183833
20 ms 172.67.196.142
32 2026-08-26 05:09 639233172074181051
44 ms 172.67.196.142
31 2026-08-26 05:09 639233172074181051
44 ms 104.21.92.167
30 2026-08-26 04:52 639233161808421455
22 ms 172.67.196.142
29 2026-08-26 04:52 639233161808421455
22 ms 104.21.92.167
28 2026-08-26 04:34 639233151357344052
34 ms 104.21.92.167
27 2026-08-26 04:34 639233151357344052
34 ms 172.67.196.142
26 2026-08-26 04:17 639233141034116946
99 ms 104.21.92.167
25 2026-08-26 04:17 639233141034116946
99 ms 172.67.196.142
24 2026-08-26 04:00 639233130828334142
8 ms 104.21.92.167
23 2026-08-26 04:00 639233130828334142
8 ms 172.67.196.142
22 2026-08-26 03:43 639233120373450007
30 ms 104.21.92.167
21 2026-08-26 03:43 639233120373450007
30 ms 172.67.196.142
20 2026-08-26 03:25 639233110066216193
34 ms 172.67.196.142
19 2026-08-26 03:25 639233110066216193
34 ms 104.21.92.167
18 2026-08-26 02:32 639233078065410564
7 ms 172.67.196.142
17 2026-08-26 02:32 639233078065410564
7 ms 104.21.92.167
16 2026-08-26 02:15 639233067787457832
34 ms 172.67.196.142
15 2026-08-26 02:15 639233067787457832
34 ms 104.21.92.167
14 2026-08-26 01:58 639233057501801162
98 ms 172.67.196.142
13 2026-08-26 01:58 639233057501801162
98 ms 104.21.92.167
12 2026-08-26 01:41 639233047089431703
4 ms 172.67.196.142
11 2026-08-26 01:41 639233047089431703
4 ms 104.21.92.167
10 2026-08-26 01:23 639233036754790688
36 ms 172.67.196.142
9 2026-08-26 01:23 639233036754790688
36 ms 104.21.92.167
8 2026-08-26 01:06 639233026412602472
5 ms 104.21.92.167
7 2026-08-26 01:06 639233026412602472
5 ms 172.67.196.142
6 2026-08-26 00:49 639233016064066127
2013 ms 172.67.196.142
5 2026-08-26 00:49 639233016064066127
2013 ms 104.21.92.167
4 2026-08-26 00:32 639233005922655772
6 ms 172.67.196.142
3 2026-08-26 00:32 639233005922655772
6 ms 104.21.92.167
2 2026-08-26 00:15 639232995672256907
5 ms 172.67.196.142
1 2026-08-26 00:15 639232995672256907
5 ms 104.21.92.167