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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 347 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

74

Historical checks stored for this nameserver on selected date

Average Latency

347 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:55

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

74

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 ns1.clswebcert.com

Showing DNS history for 2026-08-22 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
74 2026-08-22 23:55 639230391807229016
104 ms 129.121.76.121
73 2026-08-22 23:39 639230382051619327
208 ms 129.121.76.121
72 2026-08-22 23:23 639230372323353529
197 ms 129.121.76.121
71 2026-08-22 23:06 639230362586451064
199 ms 129.121.76.121
70 2026-08-22 22:50 639230352793666303
100 ms 129.121.76.121
69 2026-08-22 22:33 639230342775737758
197 ms 129.121.76.121
68 2026-08-22 22:16 639230332639939561
198 ms 129.121.76.121
67 2026-08-22 21:24 639230301014190104
3 ms 129.121.76.121
66 2026-08-22 21:07 639230291048161498
204 ms 129.121.76.121
65 2026-08-22 20:50 639230280894353664
2105 ms 129.121.76.121
64 2026-08-22 20:33 639230270699419073
197 ms 129.121.76.121
63 2026-08-22 20:16 639230260248163050
198 ms 129.121.76.121
62 2026-08-22 19:59 639230250122494282
197 ms 129.121.76.121
61 2026-08-22 19:42 639230239972935046
196 ms 129.121.76.121
60 2026-08-22 19:25 639230229963262464
195 ms 129.121.76.121
59 2026-08-22 19:08 639230220033804658
200 ms 129.121.76.121
58 2026-08-22 18:52 639230209891107289
123 ms 129.121.76.121
57 2026-08-22 18:35 639230199630298717
208 ms 129.121.76.121
56 2026-08-22 18:18 639230189301984150
197 ms 129.121.76.121
55 2026-08-22 17:24 639230157138468804
199 ms 129.121.76.121
54 2026-08-22 17:07 639230146987869495
201 ms 129.121.76.121
53 2026-08-22 16:50 639230136768638516
209 ms 129.121.76.121
52 2026-08-22 16:33 639230126735907877
8 ms 129.121.76.121
51 2026-08-22 16:16 639230116551187768
111 ms 129.121.76.121
50 2026-08-22 15:59 639230106335615913
199 ms 129.121.76.121
49 2026-08-22 15:42 639230096177758176
199 ms 129.121.76.121
48 2026-08-22 15:25 639230086185999993
203 ms 129.121.76.121
47 2026-08-22 15:09 639230076247854903
7 ms 129.121.76.121
46 2026-08-22 14:52 639230066076077530
199 ms 129.121.76.121
45 2026-08-22 14:35 639230055738197328
137 ms 129.121.76.121
44 2026-08-22 14:18 639230045411225521
104 ms 129.121.76.121
43 2026-08-22 13:24 639230013046000470
9 ms 129.121.76.121
42 2026-08-22 13:07 639230003090037878
200 ms 129.121.76.121
41 2026-08-22 12:50 639229993008259475
2124 ms 129.121.76.121
40 2026-08-22 12:33 639229982909449470
207 ms 129.121.76.121
39 2026-08-22 12:17 639229973035502212
197 ms 129.121.76.121
38 2026-08-22 12:00 639229963064296145
102 ms 129.121.76.121
37 2026-08-22 11:44 639229952996162143
152 ms 129.121.76.121
36 2026-08-22 11:27 639229943051949195
201 ms 129.121.76.121
35 2026-08-22 11:10 639229932919214934
198 ms 129.121.76.121
34 2026-08-22 10:53 639229922745889838
2009 ms 129.121.76.121
33 2026-08-22 10:36 639229912587214796
202 ms 129.121.76.121
32 2026-08-22 10:19 639229902240004454
200 ms 129.121.76.121
31 2026-08-22 09:27 639229870800501662
9 ms 129.121.76.121
30 2026-08-22 09:10 639229861058384956
202 ms 129.121.76.121
29 2026-08-22 08:54 639229851158592604
2113 ms 129.121.76.121
28 2026-08-22 08:38 639229841475569629
121 ms 129.121.76.121
27 2026-08-22 08:22 639229831887658471
2110 ms 129.121.76.121
26 2026-08-22 08:06 639229822043670346
2020 ms 129.121.76.121
25 2026-08-22 07:49 639229812327913936
198 ms 129.121.76.121
24 2026-08-22 07:33 639229802629488686
142 ms 129.121.76.121
23 2026-08-22 07:17 639229793051447309
3 ms 129.121.76.121
22 2026-08-22 07:01 639229783303531961
196 ms 129.121.76.121
21 2026-08-22 06:44 639229773458051942
200 ms 129.121.76.121
20 2026-08-22 06:28 639229763373848056
4 ms 129.121.76.121
19 2026-08-22 05:35 639229732140622809
3 ms 129.121.76.121
18 2026-08-22 05:20 639229722699695967
2113 ms 129.121.76.121
17 2026-08-22 05:04 639229713097498075
149 ms 129.121.76.121
16 2026-08-22 04:48 639229703543969637
3 ms 129.121.76.121
15 2026-08-22 04:32 639229693970392873
118 ms 129.121.76.121
14 2026-08-22 04:16 639229684277329469
200 ms 129.121.76.121
13 2026-08-22 03:59 639229674501596661
3 ms 129.121.76.121
12 2026-08-22 03:43 639229665064441147
7 ms 129.121.76.121
11 2026-08-22 03:28 639229655507536872
5 ms 129.121.76.121
10 2026-08-22 03:12 639229645849603111
186 ms 129.121.76.121
9 2026-08-22 02:55 639229636090497453
2101 ms 129.121.76.121
8 2026-08-22 02:39 639229625978544281
125 ms 129.121.76.121
7 2026-08-22 01:46 639229594644662176
101 ms 129.121.76.121
6 2026-08-22 01:30 639229585214633065
21 ms 129.121.76.121
5 2026-08-22 01:15 639229575581042175
3 ms 129.121.76.121
4 2026-08-22 00:58 639229565912268962
34 ms 129.121.76.121
3 2026-08-22 00:42 639229556237813203
2 ms 129.121.76.121
2 2026-08-22 00:26 639229546625802518
212 ms 129.121.76.121
1 2026-08-22 00:10 639229537172016621
201 ms 129.121.76.121