History for ns2.knowbook.net
Domain: knowbook.net • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns2.knowbook.net
ns2.knowbook.net 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, 35 successful responses, 39 failed responses, and 686 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.knowbook.net.
Records on Selected Date
74
Historical checks stored for this nameserver on selected date
Average Latency
686 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-22 23:51
All timestamps shown in UTC
Latest Resolved IP on Selected Date
185.40.18.35
Most recently resolved hosting IP on selected date
Successful Responses
35
Checks that returned a measurable response
Failed Responses
39
Checks with no response or no returned latency
Failure Rate
53%
Based on the selected date history
Selected Date Status
Responsive
At least one successful response exists on selected date
History for ns2.knowbook.net
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 23:51 | 639230391807229016 |
|
- | |
| 73 | 2026-08-22 23:35 | 639230382051619327 |
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- | |
| 72 | 2026-08-22 23:19 | 639230372323353529 |
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- | |
| 71 | 2026-08-22 23:02 | 639230362586451064 |
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- | |
| 70 | 2026-08-22 22:46 | 639230352793666303 |
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- | |
| 69 | 2026-08-22 22:29 | 639230342775737758 |
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- | |
| 68 | 2026-08-22 22:13 | 639230332639939561 |
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- | |
| 67 | 2026-08-22 21:20 | 639230301014190104 |
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- | |
| 66 | 2026-08-22 21:03 | 639230291048161498 |
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- | |
| 65 | 2026-08-22 20:46 | 639230280894353664 |
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- | |
| 64 | 2026-08-22 20:29 | 639230270699419073 |
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- | |
| 63 | 2026-08-22 20:12 | 639230260248163050 |
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- | |
| 62 | 2026-08-22 19:55 | 639230250122494282 |
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- | |
| 61 | 2026-08-22 19:38 | 639230239972935046 |
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- | |
| 60 | 2026-08-22 19:21 | 639230229963262464 |
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- | |
| 59 | 2026-08-22 19:05 | 639230220033804658 |
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- | |
| 58 | 2026-08-22 18:48 | 639230209891107289 |
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- | |
| 57 | 2026-08-22 18:31 | 639230199630298717 |
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- | |
| 56 | 2026-08-22 18:14 | 639230189301984150 |
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- | |
| 55 | 2026-08-22 17:20 | 639230157138468804 |
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- | |
| 54 | 2026-08-22 17:03 | 639230146987869495 |
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- | |
| 53 | 2026-08-22 16:46 | 639230136768638516 |
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- | |
| 52 | 2026-08-22 16:29 | 639230126735907877 |
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- | |
| 51 | 2026-08-22 16:12 | 639230116551187768 |
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- | |
| 50 | 2026-08-22 15:55 | 639230106335615913 |
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- | |
| 49 | 2026-08-22 15:38 | 639230096177758176 |
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- | |
| 48 | 2026-08-22 15:22 | 639230086185999993 |
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- | |
| 47 | 2026-08-22 15:05 | 639230076247854903 |
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- | |
| 46 | 2026-08-22 14:48 | 639230066076077530 |
|
265 ms | 185.40.18.35 |
| 45 | 2026-08-22 14:31 | 639230055738197328 |
|
256 ms | 185.40.18.35 |
| 44 | 2026-08-22 14:14 | 639230045411225521 |
|
23 ms | 185.40.18.35 |
| 43 | 2026-08-22 13:20 | 639230013046000470 |
|
404 ms | 185.40.18.35 |
| 42 | 2026-08-22 13:03 | 639230003090037878 |
|
2320 ms | 185.40.18.35 |
| 41 | 2026-08-22 12:46 | 639229993008259475 |
|
2149 ms | 185.40.18.35 |
| 40 | 2026-08-22 12:29 | 639229982909449470 |
|
411 ms | 185.40.18.35 |
| 39 | 2026-08-22 12:13 | 639229973035502212 |
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- | |
| 38 | 2026-08-22 11:56 | 639229963064296145 |
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2330 ms | 185.40.18.35 |
| 37 | 2026-08-22 11:40 | 639229952996162143 |
|
191 ms | 185.40.18.35 |
| 36 | 2026-08-22 11:23 | 639229943051949195 |
|
250 ms | 185.40.18.35 |
| 35 | 2026-08-22 11:06 | 639229932919214934 |
|
92 ms | 185.40.18.35 |
| 34 | 2026-08-22 10:49 | 639229922745889838 |
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- | |
| 33 | 2026-08-22 10:32 | 639229912587214796 |
|
474 ms | 185.40.18.35 |
| 32 | 2026-08-22 10:15 | 639229902240004454 |
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- | |
| 31 | 2026-08-22 09:23 | 639229870800501662 |
|
111 ms | 185.40.18.35 |
| 30 | 2026-08-22 09:07 | 639229861058384956 |
|
2125 ms | 185.40.18.35 |
| 29 | 2026-08-22 08:50 | 639229851158592604 |
|
941 ms | 185.40.18.35 |
| 28 | 2026-08-22 08:34 | 639229841475569629 |
|
2690 ms | 185.40.18.35 |
| 27 | 2026-08-22 08:18 | 639229831887658471 |
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- | |
| 26 | 2026-08-22 08:01 | 639229822043670346 |
|
540 ms | 185.40.18.35 |
| 25 | 2026-08-22 07:45 | 639229812327913936 |
|
2366 ms | 185.40.18.35 |
| 24 | 2026-08-22 07:29 | 639229802629488686 |
|
346 ms | 185.40.18.35 |
| 23 | 2026-08-22 07:13 | 639229793051447309 |
|
318 ms | 185.40.18.35 |
| 22 | 2026-08-22 06:57 | 639229783303531961 |
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- | |
| 21 | 2026-08-22 06:40 | 639229773458051942 |
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- | |
| 20 | 2026-08-22 06:24 | 639229763373848056 |
|
92 ms | 185.40.18.35 |
| 19 | 2026-08-22 05:32 | 639229732140622809 |
|
154 ms | 185.40.18.35 |
| 18 | 2026-08-22 05:16 | 639229722699695967 |
|
317 ms | 185.40.18.35 |
| 17 | 2026-08-22 05:00 | 639229713097498075 |
|
120 ms | 185.40.18.35 |
| 16 | 2026-08-22 04:44 | 639229703543969637 |
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- | |
| 15 | 2026-08-22 04:28 | 639229693970392873 |
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319 ms | 185.40.18.35 |
| 14 | 2026-08-22 04:12 | 639229684277329469 |
|
429 ms | 185.40.18.35 |
| 13 | 2026-08-22 03:56 | 639229674501596661 |
|
360 ms | 185.40.18.35 |
| 12 | 2026-08-22 03:40 | 639229665064441147 |
|
173 ms | 185.40.18.35 |
| 11 | 2026-08-22 03:24 | 639229655507536872 |
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- | |
| 10 | 2026-08-22 03:08 | 639229645849603111 |
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- | |
| 9 | 2026-08-22 02:51 | 639229636090497453 |
|
70 ms | 185.40.18.35 |
| 8 | 2026-08-22 02:35 | 639229625978544281 |
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- | |
| 7 | 2026-08-22 01:42 | 639229594644662176 |
|
141 ms | 185.40.18.35 |
| 6 | 2026-08-22 01:27 | 639229585214633065 |
|
2137 ms | 185.40.18.35 |
| 5 | 2026-08-22 01:11 | 639229575581042175 |
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- | |
| 4 | 2026-08-22 00:55 | 639229565912268962 |
|
583 ms | 185.40.18.35 |
| 3 | 2026-08-22 00:38 | 639229556237813203 |
|
46 ms | 185.40.18.35 |
| 2 | 2026-08-22 00:22 | 639229546625802518 |
|
379 ms | 185.40.18.35 |
| 1 | 2026-08-22 00:06 | 639229537172016621 |
|
98 ms | 185.40.18.35 |