DNS response history for b3.iclassserver.com

b3.iclassserver.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 2026-08-20. For this date, NameServerHistory found 57 DNS check records, 56 successful responses, 1 failed responses, and 396 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 b3.iclassserver.com.
Records on Selected Date

57

Historical checks stored for this nameserver on selected date

Average Latency

396 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:59

All timestamps shown in UTC

Latest Resolved IP on Selected Date

192.64.84.226

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 b3.iclassserver.com

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 23:59 639228670775860800
17 ms 192.64.84.226
56 2026-08-20 23:07 639228639850033448
31 ms 192.64.84.226
55 2026-08-20 22:51 639228630204271870
2025 ms 192.64.84.226
54 2026-08-20 22:35 639228620295091135
36 ms 192.64.84.226
53 2026-08-20 22:18 639228610298336915
2019 ms 192.64.84.226
52 2026-08-20 21:26 639228578917047616
18 ms 192.64.84.226
51 2026-08-20 21:10 639228569046445709
13 ms 192.64.84.226
50 2026-08-20 20:53 639228558946830986
24 ms 192.64.84.226
49 2026-08-20 20:36 639228548977359217
55 ms 192.64.84.226
48 2026-08-20 19:44 639228517494157668
8 ms 192.64.84.226
47 2026-08-20 19:27 639228507374116892
23 ms 192.64.84.226
46 2026-08-20 19:10 639228497315154893
52 ms 192.64.84.226
45 2026-08-20 18:53 639228487287648341
33 ms 192.64.84.226
44 2026-08-20 18:01 639228455828123788
34 ms 192.64.84.226
43 2026-08-20 17:44 639228445900082244
2025 ms 192.64.84.226
42 2026-08-20 17:27 639228435866352323
487 ms 192.64.84.226
41 2026-08-20 17:11 639228425802273151
23 ms 192.64.84.226
40 2026-08-20 16:17 639228393616324230
2018 ms 192.64.84.226
39 2026-08-20 16:00 639228383590408693
2052 ms 192.64.84.226
38 2026-08-20 15:44 639228373471467474
2023 ms 192.64.84.226
37 2026-08-20 15:27 639228363426647311
37 ms 192.64.84.226
36 2026-08-20 14:34 639228331681701910
15 ms 192.64.84.226
35 2026-08-20 14:17 639228321714746824
12 ms 192.64.84.226
34 2026-08-20 14:01 639228311652090262
47 ms 192.64.84.226
33 2026-08-20 13:44 639228301670088587
41 ms 192.64.84.226
32 2026-08-20 12:51 639228269987976710
49 ms 192.64.84.226
31 2026-08-20 12:34 639228260009452308
26 ms 192.64.84.226
30 2026-08-20 12:17 639228249661740894
10 ms 192.64.84.226
29 2026-08-20 12:00 639228239552680346
65 ms 192.64.84.226
28 2026-08-20 11:07 639228207667580819
-
27 2026-08-20 10:50 639228197494011560
22 ms 192.64.84.226
26 2026-08-20 10:34 639228187497039939
11 ms 192.64.84.226
25 2026-08-20 10:17 639228177408432646
50 ms 192.64.84.226
24 2026-08-20 09:25 639228146356166262
50 ms 192.64.84.226
23 2026-08-20 09:09 639228136541505712
11 ms 192.64.84.226
22 2026-08-20 08:52 639228126519136598
38 ms 192.64.84.226
21 2026-08-20 08:35 639228116537148885
10 ms 192.64.84.226
20 2026-08-20 07:43 639228085320764351
44 ms 192.64.84.226
19 2026-08-20 07:27 639228075444604839
13 ms 192.64.84.226
18 2026-08-20 07:10 639228065615498985
24 ms 192.64.84.226
17 2026-08-20 06:54 639228055675321422
49 ms 192.64.84.226
16 2026-08-20 06:02 639228024230839396
2034 ms 192.64.84.226
15 2026-08-20 05:46 639228014720406505
46 ms 192.64.84.226
14 2026-08-20 05:29 639228004930827030
34 ms 192.64.84.226
13 2026-08-20 05:13 639227995103340154
9 ms 192.64.84.226
12 2026-08-20 04:21 639227963811374894
2059 ms 192.64.84.226
11 2026-08-20 04:05 639227954132571365
9 ms 192.64.84.226
10 2026-08-20 03:49 639227944541208342
28 ms 192.64.84.226
9 2026-08-20 03:32 639227934657213484
2022 ms 192.64.84.226
8 2026-08-20 02:40 639227903628145469
23 ms 192.64.84.226
7 2026-08-20 02:24 639227893995483475
74 ms 192.64.84.226
6 2026-08-20 02:08 639227884280244209
59 ms 192.64.84.226
5 2026-08-20 01:52 639227874371147132
40 ms 192.64.84.226
4 2026-08-20 01:00 639227843224256432
20 ms 192.64.84.226
3 2026-08-20 00:44 639227833720403506
2022 ms 192.64.84.226
2 2026-08-20 00:28 639227824170728278
28 ms 192.64.84.226
1 2026-08-20 00:12 639227814865867570
49 ms 192.64.84.226