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 2026-08-11. For this date, NameServerHistory found 76 DNS check records, 76 successful responses, 0 failed responses, and 256 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
76
Historical checks stored for this nameserver on selected date
Average Latency
256 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-11 23:52
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
76
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 2026-08-11 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 |
|---|---|---|---|---|---|
| 76 | 2026-08-11 23:52 | 639220888396333845 |
|
57 ms | 80.79.26.115 |
| 75 | 2026-08-11 23:36 | 639220878864937382 |
|
33 ms | 80.79.26.115 |
| 74 | 2026-08-11 22:43 | 639220847369072314 |
|
6 ms | 80.79.26.115 |
| 73 | 2026-08-11 22:27 | 639220838037764925 |
|
58 ms | 80.79.26.115 |
| 72 | 2026-08-11 22:12 | 639220828735120634 |
|
7 ms | 80.79.26.115 |
| 71 | 2026-08-11 21:56 | 639220819447979766 |
|
52 ms | 80.79.26.115 |
| 70 | 2026-08-11 21:41 | 639220810056531741 |
|
60 ms | 80.79.26.115 |
| 69 | 2026-08-11 21:25 | 639220800745746593 |
|
61 ms | 80.79.26.115 |
| 68 | 2026-08-11 21:10 | 639220791351626349 |
|
4060 ms | 80.79.26.115 |
| 67 | 2026-08-11 20:54 | 639220782021256610 |
|
82 ms | 80.79.26.115 |
| 66 | 2026-08-11 20:38 | 639220772603347755 |
|
113 ms | 80.79.26.115 |
| 65 | 2026-08-11 20:23 | 639220763224057047 |
|
55 ms | 80.79.26.115 |
| 64 | 2026-08-11 20:07 | 639220753691117767 |
|
28 ms | 80.79.26.115 |
| 63 | 2026-08-11 19:51 | 639220744107836218 |
|
54 ms | 80.79.26.115 |
| 62 | 2026-08-11 18:57 | 639220711927629898 |
|
2033 ms | 80.79.26.115 |
| 61 | 2026-08-11 18:41 | 639220702299437921 |
|
37 ms | 80.79.26.115 |
| 60 | 2026-08-11 18:24 | 639220692505468181 |
|
38 ms | 80.79.26.115 |
| 59 | 2026-08-11 18:08 | 639220682669911239 |
|
76 ms | 80.79.26.115 |
| 58 | 2026-08-11 17:52 | 639220672929841526 |
|
88 ms | 80.79.26.115 |
| 57 | 2026-08-11 17:35 | 639220663225662315 |
|
64 ms | 80.79.26.115 |
| 56 | 2026-08-11 17:20 | 639220653846255684 |
|
49 ms | 80.79.26.115 |
| 55 | 2026-08-11 17:04 | 639220644420909059 |
|
50 ms | 80.79.26.115 |
| 54 | 2026-08-11 16:49 | 639220635074970435 |
|
2253 ms | 80.79.26.115 |
| 53 | 2026-08-11 16:33 | 639220625614385966 |
|
33 ms | 80.79.26.115 |
| 52 | 2026-08-11 16:17 | 639220616132212636 |
|
52 ms | 80.79.26.115 |
| 51 | 2026-08-11 16:01 | 639220606533651662 |
|
38 ms | 80.79.26.115 |
| 50 | 2026-08-11 15:08 | 639220574514514318 |
|
84 ms | 80.79.26.115 |
| 49 | 2026-08-11 14:53 | 639220565124823874 |
|
28 ms | 80.79.26.115 |
| 48 | 2026-08-11 14:37 | 639220555799311478 |
|
78 ms | 80.79.26.115 |
| 47 | 2026-08-11 14:22 | 639220546481577614 |
|
62 ms | 80.79.26.115 |
| 46 | 2026-08-11 14:06 | 639220537036533154 |
|
50 ms | 80.79.26.115 |
| 45 | 2026-08-11 13:50 | 639220527719177174 |
|
60 ms | 80.79.26.115 |
| 44 | 2026-08-11 13:35 | 639220518173088308 |
|
56 ms | 80.79.26.115 |
| 43 | 2026-08-11 13:19 | 639220508902896243 |
|
43 ms | 80.79.26.115 |
| 42 | 2026-08-11 13:03 | 639220499455923005 |
|
64 ms | 80.79.26.115 |
| 41 | 2026-08-11 12:48 | 639220490082583768 |
|
58 ms | 80.79.26.115 |
| 40 | 2026-08-11 12:32 | 639220480636590998 |
|
57 ms | 80.79.26.115 |
| 39 | 2026-08-11 12:14 | 639220469585029273 |
|
24 ms | 80.79.26.115 |
| 38 | 2026-08-11 11:22 | 639220438074188884 |
|
64 ms | 80.79.26.115 |
| 37 | 2026-08-11 11:06 | 639220428789720049 |
|
35 ms | 80.79.26.115 |
| 36 | 2026-08-11 10:51 | 639220419558302820 |
|
151 ms | 80.79.26.115 |
| 35 | 2026-08-11 10:36 | 639220410448738795 |
|
59 ms | 80.79.26.115 |
| 34 | 2026-08-11 10:20 | 639220401034081530 |
|
143 ms | 80.79.26.115 |
| 33 | 2026-08-11 10:05 | 639220391766674161 |
|
74 ms | 80.79.26.115 |
| 32 | 2026-08-11 09:49 | 639220382275807148 |
|
59 ms | 80.79.26.115 |
| 31 | 2026-08-11 09:33 | 639220373034162867 |
|
69 ms | 80.79.26.115 |
| 30 | 2026-08-11 09:18 | 639220363994971859 |
|
44 ms | 80.79.26.115 |
| 29 | 2026-08-11 09:03 | 639220354563965455 |
|
130 ms | 80.79.26.115 |
| 28 | 2026-08-11 08:47 | 639220345437414880 |
|
58 ms | 80.79.26.115 |
| 27 | 2026-08-11 08:32 | 639220336024248987 |
|
199 ms | 80.79.26.115 |
| 26 | 2026-08-11 07:39 | 639220304233635692 |
|
49 ms | 80.79.26.115 |
| 25 | 2026-08-11 07:23 | 639220294872170960 |
|
70 ms | 80.79.26.115 |
| 24 | 2026-08-11 07:08 | 639220285547177980 |
|
148 ms | 80.79.26.115 |
| 23 | 2026-08-11 06:52 | 639220276337941315 |
|
2048 ms | 80.79.26.115 |
| 22 | 2026-08-11 06:37 | 639220267175191677 |
|
16 ms | 80.79.26.115 |
| 21 | 2026-08-11 06:22 | 639220257981518924 |
|
65 ms | 80.79.26.115 |
| 20 | 2026-08-11 06:07 | 639220249265489070 |
|
48 ms | 80.79.26.115 |
| 19 | 2026-08-11 05:53 | 639220240700249205 |
|
77 ms | 80.79.26.115 |
| 18 | 2026-08-11 05:38 | 639220231975029986 |
|
54 ms | 80.79.26.115 |
| 17 | 2026-08-11 05:24 | 639220223261176932 |
|
61 ms | 80.79.26.115 |
| 16 | 2026-08-11 05:09 | 639220214366718456 |
|
120 ms | 80.79.26.115 |
| 15 | 2026-08-11 04:54 | 639220205306334524 |
|
65 ms | 80.79.26.115 |
| 14 | 2026-08-11 04:02 | 639220174463175061 |
|
78 ms | 80.79.26.115 |
| 13 | 2026-08-11 03:48 | 639220165777190438 |
|
2033 ms | 80.79.26.115 |
| 12 | 2026-08-11 03:33 | 639220156880374825 |
|
135 ms | 80.79.26.115 |
| 11 | 2026-08-11 03:18 | 639220148139986945 |
|
94 ms | 80.79.26.115 |
| 10 | 2026-08-11 03:04 | 639220139271074299 |
|
149 ms | 80.79.26.115 |
| 9 | 2026-08-11 02:49 | 639220130565901336 |
|
258 ms | 80.79.26.115 |
| 8 | 2026-08-11 02:34 | 639220121659980575 |
|
134 ms | 80.79.26.115 |
| 7 | 2026-08-11 02:19 | 639220112857650894 |
|
83 ms | 80.79.26.115 |
| 6 | 2026-08-11 02:05 | 639220103767686219 |
|
92 ms | 80.79.26.115 |
| 5 | 2026-08-11 01:49 | 639220094545970611 |
|
2029 ms | 80.79.26.115 |
| 4 | 2026-08-11 01:34 | 639220085476091081 |
|
98 ms | 80.79.26.115 |
| 3 | 2026-08-11 01:19 | 639220076243751161 |
|
63 ms | 80.79.26.115 |
| 2 | 2026-08-11 00:27 | 639220045322845190 |
|
13 ms | 80.79.26.115 |
| 1 | 2026-08-11 00:12 | 639220036434132314 |
|
76 ms | 80.79.26.115 |