DNS response history for ns2.pb-host.ir

ns2.pb-host.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 2026-08-20. For this date, NameServerHistory found 57 DNS check records, 56 successful responses, 1 failed responses, and 314 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.pb-host.ir.
Records on Selected Date

57

Historical checks stored for this nameserver on selected date

Average Latency

314 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:16

All timestamps shown in UTC

Latest Resolved IP on Selected Date

185.206.231.5

Most recently resolved hosting IP on selected date

Successful Responses

56

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns2.pb-host.ir

Showing DNS history for 2026-08-20 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
57 2026-08-20 23:16 639228639850033448
7 ms 185.206.231.5
56 2026-08-20 23:00 639228630204271870
8 ms 185.206.231.5
55 2026-08-20 22:43 639228620295091135
211 ms 185.206.231.5
54 2026-08-20 22:27 639228610298336915
88 ms 185.206.231.5
53 2026-08-20 21:34 639228578917047616
248 ms 185.206.231.5
52 2026-08-20 21:18 639228569046445709
125 ms 185.206.231.5
51 2026-08-20 21:01 639228558946830986
86 ms 185.206.231.5
50 2026-08-20 20:44 639228548977359217
243 ms 185.206.231.5
49 2026-08-20 19:52 639228517494157668
213 ms 185.206.231.5
48 2026-08-20 19:35 639228507374116892
8 ms 185.206.231.5
47 2026-08-20 19:18 639228497315154893
262 ms 185.206.231.5
46 2026-08-20 19:02 639228487287648341
200 ms 185.206.231.5
45 2026-08-20 18:09 639228455828123788
2010 ms 185.206.231.5
44 2026-08-20 17:53 639228445900082244
199 ms 185.206.231.5
43 2026-08-20 17:36 639228435866352323
205 ms 185.206.231.5
42 2026-08-20 17:19 639228425802273151
103 ms 185.206.231.5
41 2026-08-20 16:26 639228393616324230
283 ms 185.206.231.5
40 2026-08-20 16:09 639228383590408693
138 ms 185.206.231.5
39 2026-08-20 15:52 639228373471467474
4 ms 185.206.231.5
38 2026-08-20 15:35 639228363426647311
6 ms 185.206.231.5
37 2026-08-20 14:42 639228331681701910
606 ms 185.206.231.5
36 2026-08-20 14:26 639228321714746824
209 ms 185.206.231.5
35 2026-08-20 14:09 639228311652090262
214 ms 185.206.231.5
34 2026-08-20 13:52 639228301670088587
88 ms 185.206.231.5
33 2026-08-20 12:59 639228269987976710
205 ms 185.206.231.5
32 2026-08-20 12:43 639228260009452308
189 ms 185.206.231.5
31 2026-08-20 12:26 639228249661740894
36 ms 185.206.231.5
30 2026-08-20 12:09 639228239552680346
6 ms 185.206.231.5
29 2026-08-20 11:16 639228207667580819
2338 ms 185.206.231.5
28 2026-08-20 10:59 639228197494011560
209 ms 185.206.231.5
27 2026-08-20 10:42 639228187497039939
117 ms 185.206.231.5
26 2026-08-20 10:25 639228177408432646
96 ms 185.206.231.5
25 2026-08-20 09:33 639228146356166262
29 ms 185.206.231.5
24 2026-08-20 09:17 639228136541505712
4 ms 185.206.231.5
23 2026-08-20 09:00 639228126519136598
269 ms 185.206.231.5
22 2026-08-20 08:44 639228116537148885
293 ms 185.206.231.5
21 2026-08-20 07:51 639228085320764351
207 ms 185.206.231.5
20 2026-08-20 07:36 639228075444604839
4 ms 185.206.231.5
19 2026-08-20 07:19 639228065615498985
106 ms 185.206.231.5
18 2026-08-20 07:02 639228055675321422
204 ms 185.206.231.5
17 2026-08-20 06:10 639228024230839396
88 ms 185.206.231.5
16 2026-08-20 05:54 639228014720406505
4 ms 185.206.231.5
15 2026-08-20 05:38 639228004930827030
4 ms 185.206.231.5
14 2026-08-20 05:21 639227995103340154
98 ms 185.206.231.5
13 2026-08-20 04:29 639227963811374894
361 ms 185.206.231.5
12 2026-08-20 04:13 639227954132571365
-
11 2026-08-20 03:57 639227944541208342
3 ms 185.206.231.5
10 2026-08-20 03:41 639227934657213484
205 ms 185.206.231.5
9 2026-08-20 02:49 639227903628145469
268 ms 185.206.231.5
8 2026-08-20 02:33 639227893995483475
2008 ms 185.206.231.5
7 2026-08-20 02:17 639227884280244209
6 ms 185.206.231.5
6 2026-08-20 02:00 639227874371147132
2138 ms 185.206.231.5
5 2026-08-20 01:08 639227843224256432
212 ms 185.206.231.5
4 2026-08-20 00:52 639227833720403506
3 ms 185.206.231.5
3 2026-08-20 00:37 639227824170728278
2004 ms 185.206.231.5
2 2026-08-20 00:21 639227814865867570
4 ms 185.206.231.5
1 2026-08-20 00:05 639227805445376839
100 ms 185.206.231.5