History for dev.null.cz
Domain: null.cz • Tracking since 2026-08-04 23:25 UTC
DNS response history for dev.null.cz
dev.null.cz 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 2026-08-17. For this date, NameServerHistory found 72 DNS check records, 72 successful responses, 0 failed responses, and 270 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 dev.null.cz.
Records on Selected Date
72
Historical checks stored for this nameserver on selected date
Average Latency
270 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-17 23:50
All timestamps shown in UTC
Latest Resolved IP on Selected Date
80.79.26.115
Most recently resolved hosting IP on selected date
Successful Responses
72
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 dev.null.cz
Showing DNS history for 2026-08-17 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 |
|---|---|---|---|---|---|
| 72 | 2026-08-17 23:50 | 639226072268080268 |
|
128 ms | 80.79.26.115 |
| 71 | 2026-08-17 23:34 | 639226062577647657 |
|
42 ms | 80.79.26.115 |
| 70 | 2026-08-17 22:42 | 639226031060857136 |
|
2021 ms | 80.79.26.115 |
| 69 | 2026-08-17 22:26 | 639226021535117364 |
|
36 ms | 80.79.26.115 |
| 68 | 2026-08-17 22:10 | 639226011884237078 |
|
111 ms | 80.79.26.115 |
| 67 | 2026-08-17 21:54 | 639226002309299142 |
|
136 ms | 80.79.26.115 |
| 66 | 2026-08-17 21:38 | 639225992791784448 |
|
62 ms | 80.79.26.115 |
| 65 | 2026-08-17 21:22 | 639225983045271390 |
|
27 ms | 80.79.26.115 |
| 64 | 2026-08-17 21:05 | 639225973246293513 |
|
174 ms | 80.79.26.115 |
| 63 | 2026-08-17 20:49 | 639225963620186236 |
|
69 ms | 80.79.26.115 |
| 62 | 2026-08-17 20:33 | 639225953899183916 |
|
12 ms | 80.79.26.115 |
| 61 | 2026-08-17 20:17 | 639225944391528206 |
|
60 ms | 80.79.26.115 |
| 60 | 2026-08-17 20:01 | 639225934593254169 |
|
293 ms | 80.79.26.115 |
| 59 | 2026-08-17 19:44 | 639225924669984512 |
|
64 ms | 80.79.26.115 |
| 58 | 2026-08-17 18:51 | 639225893048561320 |
|
30 ms | 80.79.26.115 |
| 57 | 2026-08-17 18:35 | 639225883481298424 |
|
23 ms | 80.79.26.115 |
| 56 | 2026-08-17 18:20 | 639225873845394034 |
|
27 ms | 80.79.26.115 |
| 55 | 2026-08-17 18:03 | 639225864216078662 |
|
68 ms | 80.79.26.115 |
| 54 | 2026-08-17 17:47 | 639225854541857773 |
|
51 ms | 80.79.26.115 |
| 53 | 2026-08-17 17:31 | 639225844733604072 |
|
48 ms | 80.79.26.115 |
| 52 | 2026-08-17 17:15 | 639225835085229232 |
|
115 ms | 80.79.26.115 |
| 51 | 2026-08-17 16:59 | 639225825349373981 |
|
64 ms | 80.79.26.115 |
| 50 | 2026-08-17 16:43 | 639225815690604161 |
|
97 ms | 80.79.26.115 |
| 49 | 2026-08-17 16:27 | 639225805952472306 |
|
62 ms | 80.79.26.115 |
| 48 | 2026-08-17 16:10 | 639225796264729638 |
|
2049 ms | 80.79.26.115 |
| 47 | 2026-08-17 15:54 | 639225786326499329 |
|
74 ms | 80.79.26.115 |
| 46 | 2026-08-17 15:01 | 639225754798130711 |
|
55 ms | 80.79.26.115 |
| 45 | 2026-08-17 14:45 | 639225745123193922 |
|
52 ms | 80.79.26.115 |
| 44 | 2026-08-17 14:29 | 639225735540597271 |
|
2041 ms | 80.79.26.115 |
| 43 | 2026-08-17 14:13 | 639225725894857396 |
|
44 ms | 80.79.26.115 |
| 42 | 2026-08-17 13:57 | 639225716249606913 |
|
15 ms | 80.79.26.115 |
| 41 | 2026-08-17 13:41 | 639225706638238179 |
|
40 ms | 80.79.26.115 |
| 40 | 2026-08-17 13:25 | 639225696949691423 |
|
8 ms | 80.79.26.115 |
| 39 | 2026-08-17 13:09 | 639225687286186336 |
|
123 ms | 80.79.26.115 |
| 38 | 2026-08-17 12:53 | 639225677679573133 |
|
9 ms | 80.79.26.115 |
| 37 | 2026-08-17 12:36 | 639225667957861024 |
|
70 ms | 80.79.26.115 |
| 36 | 2026-08-17 12:20 | 639225658298791618 |
|
20 ms | 80.79.26.115 |
| 35 | 2026-08-17 12:04 | 639225648583652785 |
|
241 ms | 80.79.26.115 |
| 34 | 2026-08-17 11:11 | 639225617000524308 |
|
2308 ms | 80.79.26.115 |
| 33 | 2026-08-17 10:56 | 639225607668541600 |
|
97 ms | 80.79.26.115 |
| 32 | 2026-08-17 10:40 | 639225598117279238 |
|
33 ms | 80.79.26.115 |
| 31 | 2026-08-17 10:24 | 639225588751002710 |
|
228 ms | 80.79.26.115 |
| 30 | 2026-08-17 10:09 | 639225579295831051 |
|
2386 ms | 80.79.26.115 |
| 29 | 2026-08-17 09:53 | 639225569761469940 |
|
80 ms | 80.79.26.115 |
| 28 | 2026-08-17 09:37 | 639225560161422333 |
|
124 ms | 80.79.26.115 |
| 27 | 2026-08-17 09:21 | 639225550739955565 |
|
35 ms | 80.79.26.115 |
| 26 | 2026-08-17 09:05 | 639225541125222426 |
|
25 ms | 80.79.26.115 |
| 25 | 2026-08-17 08:49 | 639225531526675983 |
|
204 ms | 80.79.26.115 |
| 24 | 2026-08-17 08:33 | 639225521915528222 |
|
53 ms | 80.79.26.115 |
| 23 | 2026-08-17 08:17 | 639225512148151789 |
|
2044 ms | 80.79.26.115 |
| 22 | 2026-08-17 07:24 | 639225480786142412 |
|
67 ms | 80.79.26.115 |
| 21 | 2026-08-17 07:09 | 639225471394348551 |
|
2033 ms | 80.79.26.115 |
| 20 | 2026-08-17 06:53 | 639225462031685068 |
|
61 ms | 80.79.26.115 |
| 19 | 2026-08-17 06:37 | 639225452639458328 |
|
61 ms | 80.79.26.115 |
| 18 | 2026-08-17 06:22 | 639225443300966543 |
|
50 ms | 80.79.26.115 |
| 17 | 2026-08-17 06:06 | 639225433880499379 |
|
7 ms | 80.79.26.115 |
| 16 | 2026-08-17 05:50 | 639225424395198277 |
|
37 ms | 80.79.26.115 |
| 15 | 2026-08-17 05:34 | 639225414744137487 |
|
56 ms | 80.79.26.115 |
| 14 | 2026-08-17 05:18 | 639225405186783164 |
|
92 ms | 80.79.26.115 |
| 13 | 2026-08-17 05:02 | 639225395563669822 |
|
40 ms | 80.79.26.115 |
| 12 | 2026-08-17 04:46 | 639225386076645158 |
|
52 ms | 80.79.26.115 |
| 11 | 2026-08-17 04:31 | 639225376620669704 |
|
63 ms | 80.79.26.115 |
| 10 | 2026-08-17 03:39 | 639225345580892706 |
|
48 ms | 80.79.26.115 |
| 9 | 2026-08-17 03:23 | 639225336207383710 |
|
10 ms | 80.79.26.115 |
| 8 | 2026-08-17 03:08 | 639225326726565001 |
|
106 ms | 80.79.26.115 |
| 7 | 2026-08-17 02:52 | 639225317249271010 |
|
128 ms | 80.79.26.115 |
| 6 | 2026-08-17 02:00 | 639225286280886044 |
|
22 ms | 80.79.26.115 |
| 5 | 2026-08-17 01:44 | 639225276872567548 |
|
56 ms | 80.79.26.115 |
| 4 | 2026-08-17 01:29 | 639225267353865348 |
|
26 ms | 80.79.26.115 |
| 3 | 2026-08-17 01:13 | 639225258033914248 |
|
61 ms | 80.79.26.115 |
| 2 | 2026-08-17 00:21 | 639225226652221583 |
|
18 ms | 80.79.26.115 |
| 1 | 2026-08-17 00:05 | 639225217156387684 |
|
79 ms | 80.79.26.115 |