DNS response history for ns2.clswebcert.com

ns2.clswebcert.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, 57 successful responses, 0 failed responses, and 308 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.clswebcert.com.
Records on Selected Date

57

Historical checks stored for this nameserver on selected date

Average Latency

308 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

129.121.76.121

Most recently resolved hosting IP on selected date

Successful Responses

57

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.clswebcert.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 23:16 639228639850033448
198 ms 129.121.76.121
56 2026-08-20 23:00 639228630204271870
123 ms 129.121.76.121
55 2026-08-20 22:44 639228620295091135
7 ms 129.121.76.121
54 2026-08-20 22:27 639228610298336915
199 ms 129.121.76.121
53 2026-08-20 21:35 639228578917047616
105 ms 129.121.76.121
52 2026-08-20 21:18 639228569046445709
4 ms 129.121.76.121
51 2026-08-20 21:02 639228558946830986
4 ms 129.121.76.121
50 2026-08-20 20:45 639228548977359217
10 ms 129.121.76.121
49 2026-08-20 19:52 639228517494157668
9 ms 129.121.76.121
48 2026-08-20 19:36 639228507374116892
2161 ms 129.121.76.121
47 2026-08-20 19:19 639228497315154893
101 ms 129.121.76.121
46 2026-08-20 19:02 639228487287648341
198 ms 129.121.76.121
45 2026-08-20 18:10 639228455828123788
198 ms 129.121.76.121
44 2026-08-20 17:53 639228445900082244
206 ms 129.121.76.121
43 2026-08-20 17:36 639228435866352323
2147 ms 129.121.76.121
42 2026-08-20 17:19 639228425802273151
200 ms 129.121.76.121
41 2026-08-20 16:26 639228393616324230
5 ms 129.121.76.121
40 2026-08-20 16:09 639228383590408693
206 ms 129.121.76.121
39 2026-08-20 15:52 639228373471467474
113 ms 129.121.76.121
38 2026-08-20 15:35 639228363426647311
225 ms 129.121.76.121
37 2026-08-20 14:42 639228331681701910
101 ms 129.121.76.121
36 2026-08-20 14:26 639228321714746824
99 ms 129.121.76.121
35 2026-08-20 14:09 639228311652090262
7 ms 129.121.76.121
34 2026-08-20 13:52 639228301670088587
5 ms 129.121.76.121
33 2026-08-20 13:00 639228269987976710
2166 ms 129.121.76.121
32 2026-08-20 12:43 639228260009452308
198 ms 129.121.76.121
31 2026-08-20 12:26 639228249661740894
204 ms 129.121.76.121
30 2026-08-20 12:09 639228239552680346
198 ms 129.121.76.121
29 2026-08-20 11:16 639228207667580819
203 ms 129.121.76.121
28 2026-08-20 10:59 639228197494011560
206 ms 129.121.76.121
27 2026-08-20 10:42 639228187497039939
4 ms 129.121.76.121
26 2026-08-20 10:25 639228177408432646
33 ms 129.121.76.121
25 2026-08-20 09:34 639228146356166262
197 ms 129.121.76.121
24 2026-08-20 09:17 639228136541505712
211 ms 129.121.76.121
23 2026-08-20 09:01 639228126519136598
197 ms 129.121.76.121
22 2026-08-20 08:44 639228116537148885
195 ms 129.121.76.121
21 2026-08-20 07:52 639228085320764351
202 ms 129.121.76.121
20 2026-08-20 07:36 639228075444604839
175 ms 129.121.76.121
19 2026-08-20 07:19 639228065615498985
20 ms 129.121.76.121
18 2026-08-20 07:02 639228055675321422
128 ms 129.121.76.121
17 2026-08-20 06:10 639228024230839396
2 ms 129.121.76.121
16 2026-08-20 05:54 639228014720406505
203 ms 129.121.76.121
15 2026-08-20 05:38 639228004930827030
202 ms 129.121.76.121
14 2026-08-20 05:21 639227995103340154
201 ms 129.121.76.121
13 2026-08-20 04:29 639227963811374894
213 ms 129.121.76.121
12 2026-08-20 04:14 639227954132571365
2100 ms 129.121.76.121
11 2026-08-20 03:57 639227944541208342
10 ms 129.121.76.121
10 2026-08-20 03:41 639227934657213484
195 ms 129.121.76.121
9 2026-08-20 02:49 639227903628145469
198 ms 129.121.76.121
8 2026-08-20 02:33 639227893995483475
3 ms 129.121.76.121
7 2026-08-20 02:17 639227884280244209
138 ms 129.121.76.121
6 2026-08-20 02:00 639227874371147132
198 ms 129.121.76.121
5 2026-08-20 01:08 639227843224256432
6 ms 129.121.76.121
4 2026-08-20 00:53 639227833720403506
200 ms 129.121.76.121
3 2026-08-20 00:37 639227824170728278
229 ms 129.121.76.121
2 2026-08-20 00:21 639227814865867570
198 ms 129.121.76.121
1 2026-08-20 00:05 639227805445376839
2102 ms 129.121.76.121