DNS response history for ns1.clswebcert.com

ns1.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 2026-08-29. For this date, NameServerHistory found 70 DNS check records, 69 successful responses, 1 failed responses, and 237 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 ns1.clswebcert.com.
Records on Selected Date

70

Historical checks stored for this nameserver on selected date

Average Latency

237 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-29 23:54

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

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 ns1.clswebcert.com

Showing DNS history for 2026-08-29 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 2026-08-29 23:54 639236439461653110
197 ms 129.121.76.121
69 2026-08-29 23:38 639236429501366737
195 ms 129.121.76.121
68 2026-08-29 23:21 639236419366541896
210 ms 129.121.76.121
67 2026-08-29 23:04 639236409033370421
195 ms 129.121.76.121
66 2026-08-29 22:47 639236398677638980
199 ms 129.121.76.121
65 2026-08-29 22:29 639236388335394435
3 ms 129.121.76.121
64 2026-08-29 21:36 639236356238021142
5 ms 129.121.76.121
63 2026-08-29 21:19 639236346147662482
197 ms 129.121.76.121
62 2026-08-29 21:02 639236336073303987
195 ms 129.121.76.121
61 2026-08-29 20:45 639236325803271480
194 ms 129.121.76.121
60 2026-08-29 20:28 639236315636203732
2113 ms 129.121.76.121
59 2026-08-29 20:11 639236305430277951
205 ms 129.121.76.121
58 2026-08-29 19:54 639236295286597133
4 ms 129.121.76.121
57 2026-08-29 19:37 639236285137083691
200 ms 129.121.76.121
56 2026-08-29 19:20 639236274938699727
214 ms 129.121.76.121
55 2026-08-29 19:03 639236264595544117
195 ms 129.121.76.121
54 2026-08-29 18:46 639236254203764064
201 ms 129.121.76.121
53 2026-08-29 18:28 639236243919128798
211 ms 129.121.76.121
52 2026-08-29 17:35 639236211708980066
228 ms 129.121.76.121
51 2026-08-29 17:18 639236201724764228
2017 ms 129.121.76.121
50 2026-08-29 17:01 639236191714376906
199 ms 129.121.76.121
49 2026-08-29 16:45 639236181773042179
205 ms 129.121.76.121
48 2026-08-29 16:28 639236171632735061
202 ms 129.121.76.121
47 2026-08-29 16:11 639236161347015414
215 ms 129.121.76.121
46 2026-08-29 15:54 639236151200362098
2010 ms 129.121.76.121
45 2026-08-29 15:37 639236141026805328
12 ms 129.121.76.121
44 2026-08-29 15:20 639236131100930722
104 ms 129.121.76.121
43 2026-08-29 15:03 639236120950030411
106 ms 129.121.76.121
42 2026-08-29 14:46 639236110532007205
198 ms 129.121.76.121
41 2026-08-29 14:29 639236100176958860
198 ms 129.121.76.121
40 2026-08-29 13:36 639236068470247956
196 ms 129.121.76.121
39 2026-08-29 13:19 639236058468679452
200 ms 129.121.76.121
38 2026-08-29 13:02 639236048317337090
196 ms 129.121.76.121
37 2026-08-29 12:46 639236038221169202
200 ms 129.121.76.121
36 2026-08-29 12:29 639236028175589918
201 ms 129.121.76.121
35 2026-08-29 12:12 639236017965421028
203 ms 129.121.76.121
34 2026-08-29 11:55 639236007792625266
-
33 2026-08-29 11:38 639235997602806960
199 ms 129.121.76.121
32 2026-08-29 11:21 639235987487833458
125 ms 129.121.76.121
31 2026-08-29 11:04 639235977211002296
215 ms 129.121.76.121
30 2026-08-29 10:47 639235966864596836
199 ms 129.121.76.121
29 2026-08-29 10:29 639235956590882003
3 ms 129.121.76.121
28 2026-08-29 09:36 639235924465736791
110 ms 129.121.76.121
27 2026-08-29 09:19 639235914430611197
12 ms 129.121.76.121
26 2026-08-29 09:02 639235904343784853
104 ms 129.121.76.121
25 2026-08-29 08:46 639235894201078068
205 ms 129.121.76.121
24 2026-08-29 08:29 639235884233447452
199 ms 129.121.76.121
23 2026-08-29 08:12 639235874142207309
195 ms 129.121.76.121
22 2026-08-29 07:55 639235863974652466
208 ms 129.121.76.121
21 2026-08-29 07:38 639235853716243436
198 ms 129.121.76.121
20 2026-08-29 07:21 639235843614494759
200 ms 129.121.76.121
19 2026-08-29 07:04 639235833401459551
218 ms 129.121.76.121
18 2026-08-29 06:47 639235823220464528
224 ms 129.121.76.121
17 2026-08-29 06:30 639235812997510905
200 ms 129.121.76.121
16 2026-08-29 05:37 639235781101962521
102 ms 129.121.76.121
15 2026-08-29 05:20 639235771207673260
6 ms 129.121.76.121
14 2026-08-29 05:04 639235761047429642
196 ms 129.121.76.121
13 2026-08-29 04:47 639235750964347246
4 ms 129.121.76.121
12 2026-08-29 04:30 639235740923490874
3 ms 129.121.76.121
11 2026-08-29 04:13 639235730842894399
200 ms 129.121.76.121
10 2026-08-29 03:56 639235720760084717
202 ms 129.121.76.121
9 2026-08-29 03:40 639235710843666743
4 ms 129.121.76.121
8 2026-08-29 03:23 639235700733510561
213 ms 129.121.76.121
7 2026-08-29 03:06 639235690509906192
9 ms 129.121.76.121
6 2026-08-29 02:49 639235680156673501
197 ms 129.121.76.121
5 2026-08-29 02:31 639235669720606443
3 ms 129.121.76.121
4 2026-08-29 01:38 639235637451417084
121 ms 129.121.76.121
3 2026-08-29 01:21 639235627307383453
3 ms 129.121.76.121
2 2026-08-29 01:04 639235616906386856
220 ms 129.121.76.121
1 2026-08-29 00:46 639235606582912691
199 ms 129.121.76.121