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 2026-08-23. For this date, NameServerHistory found 75 DNS check records, 75 successful responses, 0 failed responses, and 386 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

75

Historical checks stored for this nameserver on selected date

Average Latency

386 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:53

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

75

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 2026-08-23 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
75 2026-08-23 23:53 639231254406598736
116 ms 129.121.76.121
74 2026-08-23 23:36 639231244697865594
106 ms 129.121.76.121
73 2026-08-23 23:20 639231234893504693
196 ms 129.121.76.121
72 2026-08-23 23:04 639231225024549139
2196 ms 129.121.76.121
71 2026-08-23 22:47 639231214931957622
2103 ms 129.121.76.121
70 2026-08-23 22:30 639231204962010549
198 ms 129.121.76.121
69 2026-08-23 22:14 639231195170138463
3 ms 129.121.76.121
68 2026-08-23 21:57 639231185235020577
110 ms 129.121.76.121
67 2026-08-23 21:41 639231175558690075
4004 ms 129.121.76.121
66 2026-08-23 21:25 639231165610444012
111 ms 129.121.76.121
65 2026-08-23 20:32 639231133806425363
99 ms 129.121.76.121
64 2026-08-23 20:16 639231124203758023
202 ms 129.121.76.121
63 2026-08-23 19:59 639231114428262706
210 ms 129.121.76.121
62 2026-08-23 19:43 639231104662480065
115 ms 129.121.76.121
61 2026-08-23 19:27 639231094840372018
5 ms 129.121.76.121
60 2026-08-23 19:10 639231085024583224
200 ms 129.121.76.121
59 2026-08-23 18:54 639231075257417427
203 ms 129.121.76.121
58 2026-08-23 18:38 639231065516009503
201 ms 129.121.76.121
57 2026-08-23 18:22 639231055805348837
222 ms 129.121.76.121
56 2026-08-23 18:05 639231045980373765
161 ms 129.121.76.121
55 2026-08-23 17:49 639231035984577527
101 ms 129.121.76.121
54 2026-08-23 17:32 639231025928115303
5 ms 129.121.76.121
53 2026-08-23 16:39 639230994250157583
2124 ms 129.121.76.121
52 2026-08-23 16:23 639230984476411369
112 ms 129.121.76.121
51 2026-08-23 16:07 639230974838373450
17 ms 129.121.76.121
50 2026-08-23 15:51 639230965244277645
15 ms 129.121.76.121
49 2026-08-23 15:35 639230955522101820
200 ms 129.121.76.121
48 2026-08-23 15:18 639230945754521603
199 ms 129.121.76.121
47 2026-08-23 15:02 639230935852040504
149 ms 129.121.76.121
46 2026-08-23 14:45 639230926222061048
203 ms 129.121.76.121
45 2026-08-23 14:29 639230916449726907
203 ms 129.121.76.121
44 2026-08-23 14:13 639230906595053086
224 ms 129.121.76.121
43 2026-08-23 13:56 639230896680429441
2212 ms 129.121.76.121
42 2026-08-23 13:40 639230886630210965
4 ms 129.121.76.121
41 2026-08-23 12:48 639230855430405719
11 ms 129.121.76.121
40 2026-08-23 12:32 639230845707499136
3 ms 129.121.76.121
39 2026-08-23 12:15 639230836186805419
111 ms 129.121.76.121
38 2026-08-23 12:00 639230826493828316
2004 ms 129.121.76.121
37 2026-08-23 11:43 639230816817882996
105 ms 129.121.76.121
36 2026-08-23 11:27 639230806933854189
201 ms 129.121.76.121
35 2026-08-23 11:11 639230797120243854
157 ms 129.121.76.121
34 2026-08-23 10:54 639230787310272840
200 ms 129.121.76.121
33 2026-08-23 10:38 639230777600173142
209 ms 129.121.76.121
32 2026-08-23 10:22 639230767665024593
101 ms 129.121.76.121
31 2026-08-23 10:05 639230757720962293
202 ms 129.121.76.121
30 2026-08-23 09:48 639230747722189784
2101 ms 129.121.76.121
29 2026-08-23 08:56 639230716313923480
4 ms 129.121.76.121
28 2026-08-23 08:40 639230706813835990
3 ms 129.121.76.121
27 2026-08-23 08:24 639230696871062203
15 ms 129.121.76.121
26 2026-08-23 08:07 639230687142781616
201 ms 129.121.76.121
25 2026-08-23 07:51 639230677432142227
201 ms 129.121.76.121
24 2026-08-23 07:35 639230667686258061
125 ms 129.121.76.121
23 2026-08-23 07:19 639230658039243685
33 ms 129.121.76.121
22 2026-08-23 07:03 639230648468473803
3 ms 129.121.76.121
21 2026-08-23 06:47 639230638829658294
2009 ms 129.121.76.121
20 2026-08-23 06:31 639230629247017617
129 ms 129.121.76.121
19 2026-08-23 06:14 639230619625318239
115 ms 129.121.76.121
18 2026-08-23 05:58 639230609697630264
207 ms 129.121.76.121
17 2026-08-23 05:06 639230578570131864
113 ms 129.121.76.121
16 2026-08-23 04:50 639230568958963168
198 ms 129.121.76.121
15 2026-08-23 04:34 639230559287611211
169 ms 129.121.76.121
14 2026-08-23 04:18 639230549524312030
4 ms 129.121.76.121
13 2026-08-23 04:02 639230539739801669
4 ms 129.121.76.121
12 2026-08-23 03:45 639230530084069375
197 ms 129.121.76.121
11 2026-08-23 03:29 639230520362691441
125 ms 129.121.76.121
10 2026-08-23 03:13 639230510677194518
4 ms 129.121.76.121
9 2026-08-23 02:57 639230501156002646
200 ms 129.121.76.121
8 2026-08-23 02:41 639230491502198541
2100 ms 129.121.76.121
7 2026-08-23 02:25 639230481860318494
201 ms 129.121.76.121
6 2026-08-23 02:08 639230471893008575
6 ms 129.121.76.121
5 2026-08-23 01:15 639230440030877421
208 ms 129.121.76.121
4 2026-08-23 00:59 639230430479725508
4 ms 129.121.76.121
3 2026-08-23 00:43 639230420875160219
199 ms 129.121.76.121
2 2026-08-23 00:27 639230411240692575
146 ms 129.121.76.121
1 2026-08-23 00:11 639230401550806607
103 ms 129.121.76.121