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 2026-08-15. For this date, NameServerHistory found 77 DNS check records, 77 successful responses, 0 failed responses, and 260 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
77
Historical checks stored for this nameserver on selected date
Average Latency
260 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-15 23:56
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
77
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 2026-08-15 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 |
|---|---|---|---|---|---|
| 77 | 2026-08-15 23:56 | 639224347685767174 |
|
54 ms | 80.79.26.115 |
| 76 | 2026-08-15 23:40 | 639224338276675277 |
|
89 ms | 80.79.26.115 |
| 75 | 2026-08-15 22:48 | 639224306594546649 |
|
56 ms | 80.79.26.115 |
| 74 | 2026-08-15 22:32 | 639224297145423303 |
|
57 ms | 80.79.26.115 |
| 73 | 2026-08-15 22:16 | 639224287678238833 |
|
51 ms | 80.79.26.115 |
| 72 | 2026-08-15 22:01 | 639224278490872828 |
|
19 ms | 80.79.26.115 |
| 71 | 2026-08-15 21:45 | 639224269149307826 |
|
52 ms | 80.79.26.115 |
| 70 | 2026-08-15 21:30 | 639224259868597616 |
|
2007 ms | 80.79.26.115 |
| 69 | 2026-08-15 21:14 | 639224250518642175 |
|
6 ms | 80.79.26.115 |
| 68 | 2026-08-15 20:59 | 639224241064772383 |
|
90 ms | 80.79.26.115 |
| 67 | 2026-08-15 20:43 | 639224231691099605 |
|
78 ms | 80.79.26.115 |
| 66 | 2026-08-15 20:28 | 639224222468168159 |
|
584 ms | 80.79.26.115 |
| 65 | 2026-08-15 20:12 | 639224213173899635 |
|
70 ms | 80.79.26.115 |
| 64 | 2026-08-15 19:57 | 639224203914451783 |
|
127 ms | 80.79.26.115 |
| 63 | 2026-08-15 19:03 | 639224172202542163 |
|
46 ms | 80.79.26.115 |
| 62 | 2026-08-15 18:48 | 639224163338654093 |
|
211 ms | 80.79.26.115 |
| 61 | 2026-08-15 18:33 | 639224154287995374 |
|
7 ms | 80.79.26.115 |
| 60 | 2026-08-15 18:18 | 639224145118612503 |
|
302 ms | 80.79.26.115 |
| 59 | 2026-08-15 18:03 | 639224135995990731 |
|
56 ms | 80.79.26.115 |
| 58 | 2026-08-15 17:48 | 639224127185332624 |
|
173 ms | 80.79.26.115 |
| 57 | 2026-08-15 17:33 | 639224118229289175 |
|
54 ms | 80.79.26.115 |
| 56 | 2026-08-15 17:18 | 639224109273796359 |
|
142 ms | 80.79.26.115 |
| 55 | 2026-08-15 17:03 | 639224100490805608 |
|
2421 ms | 80.79.26.115 |
| 54 | 2026-08-15 16:48 | 639224091353714490 |
|
2131 ms | 80.79.26.115 |
| 53 | 2026-08-15 16:33 | 639224082033126828 |
|
2024 ms | 80.79.26.115 |
| 52 | 2026-08-15 16:17 | 639224072736962403 |
|
13 ms | 80.79.26.115 |
| 51 | 2026-08-15 15:25 | 639224041475563754 |
|
44 ms | 80.79.26.115 |
| 50 | 2026-08-15 15:10 | 639224032345604453 |
|
36 ms | 80.79.26.115 |
| 49 | 2026-08-15 14:55 | 639224023169497283 |
|
45 ms | 80.79.26.115 |
| 48 | 2026-08-15 14:40 | 639224013981146405 |
|
2029 ms | 80.79.26.115 |
| 47 | 2026-08-15 14:24 | 639224004883412586 |
|
48 ms | 80.79.26.115 |
| 46 | 2026-08-15 14:09 | 639223995612880615 |
|
30 ms | 80.79.26.115 |
| 45 | 2026-08-15 13:53 | 639223986271830789 |
|
73 ms | 80.79.26.115 |
| 44 | 2026-08-15 13:38 | 639223977005780949 |
|
55 ms | 80.79.26.115 |
| 43 | 2026-08-15 13:22 | 639223967653137793 |
|
71 ms | 80.79.26.115 |
| 42 | 2026-08-15 13:07 | 639223958286010799 |
|
13 ms | 80.79.26.115 |
| 41 | 2026-08-15 12:51 | 639223948936108345 |
|
33 ms | 80.79.26.115 |
| 40 | 2026-08-15 12:36 | 639223939673066880 |
|
54 ms | 80.79.26.115 |
| 39 | 2026-08-15 11:43 | 639223908317760530 |
|
3 ms | 80.79.26.115 |
| 38 | 2026-08-15 11:28 | 639223898992594258 |
|
39 ms | 80.79.26.115 |
| 37 | 2026-08-15 11:12 | 639223889761312823 |
|
55 ms | 80.79.26.115 |
| 36 | 2026-08-15 10:57 | 639223880359273507 |
|
66 ms | 80.79.26.115 |
| 35 | 2026-08-15 10:41 | 639223870920466808 |
|
2124 ms | 80.79.26.115 |
| 34 | 2026-08-15 10:26 | 639223861579762179 |
|
51 ms | 80.79.26.115 |
| 33 | 2026-08-15 10:10 | 639223852238616009 |
|
40 ms | 80.79.26.115 |
| 32 | 2026-08-15 09:55 | 639223843019815620 |
|
53 ms | 80.79.26.115 |
| 31 | 2026-08-15 09:39 | 639223833669915012 |
|
57 ms | 80.79.26.115 |
| 30 | 2026-08-15 09:24 | 639223824494613222 |
|
9 ms | 80.79.26.115 |
| 29 | 2026-08-15 09:08 | 639223815116325293 |
|
94 ms | 80.79.26.115 |
| 28 | 2026-08-15 08:52 | 639223805493870221 |
|
77 ms | 80.79.26.115 |
| 27 | 2026-08-15 08:00 | 639223774218660438 |
|
43 ms | 80.79.26.115 |
| 26 | 2026-08-15 07:45 | 639223764663090372 |
|
3 ms | 80.79.26.115 |
| 25 | 2026-08-15 07:29 | 639223755338811400 |
|
144 ms | 80.79.26.115 |
| 24 | 2026-08-15 07:13 | 639223746019193268 |
|
50 ms | 80.79.26.115 |
| 23 | 2026-08-15 06:58 | 639223736658778104 |
|
30 ms | 80.79.26.115 |
| 22 | 2026-08-15 06:42 | 639223727330194499 |
|
153 ms | 80.79.26.115 |
| 21 | 2026-08-15 06:27 | 639223717848514742 |
|
21 ms | 80.79.26.115 |
| 20 | 2026-08-15 06:11 | 639223708284754056 |
|
55 ms | 80.79.26.115 |
| 19 | 2026-08-15 05:55 | 639223699061259933 |
|
115 ms | 80.79.26.115 |
| 18 | 2026-08-15 05:39 | 639223689592545140 |
|
54 ms | 80.79.26.115 |
| 17 | 2026-08-15 05:24 | 639223680143410810 |
|
44 ms | 80.79.26.115 |
| 16 | 2026-08-15 05:08 | 639223670514517104 |
|
38 ms | 80.79.26.115 |
| 15 | 2026-08-15 04:15 | 639223638855054294 |
|
135 ms | 80.79.26.115 |
| 14 | 2026-08-15 04:00 | 639223629623335972 |
|
53 ms | 80.79.26.115 |
| 13 | 2026-08-15 03:44 | 639223620390189495 |
|
62 ms | 80.79.26.115 |
| 12 | 2026-08-15 03:29 | 639223610916950440 |
|
236 ms | 80.79.26.115 |
| 11 | 2026-08-15 03:13 | 639223601597759168 |
|
21 ms | 80.79.26.115 |
| 10 | 2026-08-15 02:58 | 639223592342172093 |
|
57 ms | 80.79.26.115 |
| 9 | 2026-08-15 02:43 | 639223583324121497 |
|
62 ms | 80.79.26.115 |
| 8 | 2026-08-15 02:27 | 639223574086714218 |
|
15 ms | 80.79.26.115 |
| 7 | 2026-08-15 02:12 | 639223564698424889 |
|
10 ms | 80.79.26.115 |
| 6 | 2026-08-15 01:56 | 639223555408664206 |
|
91 ms | 80.79.26.115 |
| 5 | 2026-08-15 01:40 | 639223546000912416 |
|
39 ms | 80.79.26.115 |
| 4 | 2026-08-15 01:25 | 639223536550774847 |
|
64 ms | 80.79.26.115 |
| 3 | 2026-08-15 00:32 | 639223505017205611 |
|
2117 ms | 80.79.26.115 |
| 2 | 2026-08-15 00:17 | 639223495784410207 |
|
67 ms | 80.79.26.115 |
| 1 | 2026-08-15 00:01 | 639223486524583054 |
|
126 ms | 80.79.26.115 |