History for lib2.cczu.edu.cn
Domain: cczu.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for lib2.cczu.edu.cn
lib2.cczu.edu.cn 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 2026-08-21. For this date, NameServerHistory found 72 DNS check records, 72 successful responses, 0 failed responses, and 1166 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 lib2.cczu.edu.cn.
Records on Selected Date
72
Historical checks stored for this nameserver on selected date
Average Latency
1166 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-21 23:44
All timestamps shown in UTC
Latest Resolved IP on Selected Date
222.185.140.131
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 lib2.cczu.edu.cn
Showing DNS history for 2026-08-21 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 | 2026-08-21 23:44 | 639229517954323214 |
|
311 ms | 222.185.140.131 |
| 71 | 2026-08-21 23:28 | 639229508269999021 |
|
3776 ms | 222.185.140.131 |
| 70 | 2026-08-21 23:12 | 639229498559060171 |
|
1051 ms | 222.185.140.131 |
| 69 | 2026-08-21 22:56 | 639229488519347586 |
|
4 ms | 222.185.140.131 |
| 68 | 2026-08-21 22:02 | 639229456606578934 |
|
1060 ms | 222.185.140.131 |
| 67 | 2026-08-21 21:46 | 639229446985772499 |
|
2317 ms | 222.185.140.131 |
| 66 | 2026-08-21 21:30 | 639229437367313098 |
|
1056 ms | 222.185.140.131 |
| 65 | 2026-08-21 21:14 | 639229427923950391 |
|
4 ms | 222.185.140.131 |
| 64 | 2026-08-21 20:58 | 639229418168588854 |
|
4306 ms | 222.185.140.131 |
| 63 | 2026-08-21 20:42 | 639229408345678334 |
|
1054 ms | 222.185.140.131 |
| 62 | 2026-08-21 20:25 | 639229398616354648 |
|
1060 ms | 222.185.140.131 |
| 61 | 2026-08-21 20:09 | 639229388634592323 |
|
1055 ms | 222.185.140.131 |
| 60 | 2026-08-21 19:53 | 639229378792837692 |
|
4 ms | 222.185.140.131 |
| 59 | 2026-08-21 19:36 | 639229369154682311 |
|
1055 ms | 222.185.140.131 |
| 58 | 2026-08-21 19:20 | 639229359248017926 |
|
1057 ms | 222.185.140.131 |
| 57 | 2026-08-21 19:03 | 639229349124294642 |
|
1054 ms | 222.185.140.131 |
| 56 | 2026-08-21 18:11 | 639229317791715692 |
|
299 ms | 222.185.140.131 |
| 55 | 2026-08-21 17:55 | 639229308115194575 |
|
1520 ms | 222.185.140.131 |
| 54 | 2026-08-21 17:38 | 639229298320320558 |
|
4 ms | 222.185.140.131 |
| 53 | 2026-08-21 17:22 | 639229288674863221 |
|
262 ms | 222.185.140.131 |
| 52 | 2026-08-21 17:06 | 639229278983677079 |
|
1056 ms | 222.185.140.131 |
| 51 | 2026-08-21 16:50 | 639229269405517175 |
|
1071 ms | 222.185.140.131 |
| 50 | 2026-08-21 16:34 | 639229259594798244 |
|
1241 ms | 222.185.140.131 |
| 49 | 2026-08-21 16:17 | 639229249736681188 |
|
2335 ms | 222.185.140.131 |
| 48 | 2026-08-21 16:01 | 639229239699417787 |
|
1086 ms | 222.185.140.131 |
| 47 | 2026-08-21 15:44 | 639229229621964033 |
|
1056 ms | 222.185.140.131 |
| 46 | 2026-08-21 15:27 | 639229219567270965 |
|
1058 ms | 222.185.140.131 |
| 45 | 2026-08-21 15:11 | 639229209406666856 |
|
1056 ms | 222.185.140.131 |
| 44 | 2026-08-21 14:17 | 639229177815876178 |
|
4 ms | 222.185.140.131 |
| 43 | 2026-08-21 14:01 | 639229168243572685 |
|
1053 ms | 222.185.140.131 |
| 42 | 2026-08-21 13:45 | 639229158599856475 |
|
2305 ms | 222.185.140.131 |
| 41 | 2026-08-21 13:29 | 639229148998940902 |
|
1266 ms | 222.185.140.131 |
| 40 | 2026-08-21 13:13 | 639229139276923594 |
|
4 ms | 222.185.140.131 |
| 39 | 2026-08-21 12:57 | 639229129709912394 |
|
1065 ms | 222.185.140.131 |
| 38 | 2026-08-21 12:41 | 639229119801488500 |
|
1061 ms | 222.185.140.131 |
| 37 | 2026-08-21 12:25 | 639229110135262458 |
|
1053 ms | 222.185.140.131 |
| 36 | 2026-08-21 12:08 | 639229100336051392 |
|
3 ms | 222.185.140.131 |
| 35 | 2026-08-21 11:52 | 639229090641415626 |
|
1057 ms | 222.185.140.131 |
| 34 | 2026-08-21 11:36 | 639229080702683947 |
|
1810 ms | 222.185.140.131 |
| 33 | 2026-08-21 11:19 | 639229070601456699 |
|
1275 ms | 222.185.140.131 |
| 32 | 2026-08-21 10:26 | 639229038947447232 |
|
1101 ms | 222.185.140.131 |
| 31 | 2026-08-21 10:10 | 639229029268708773 |
|
1054 ms | 222.185.140.131 |
| 30 | 2026-08-21 09:54 | 639229019647910603 |
|
2307 ms | 222.185.140.131 |
| 29 | 2026-08-21 09:38 | 639229009983843738 |
|
4 ms | 222.185.140.131 |
| 28 | 2026-08-21 09:21 | 639229000203331882 |
|
2008 ms | 222.185.140.131 |
| 27 | 2026-08-21 09:05 | 639228990302335999 |
|
4303 ms | 222.185.140.131 |
| 26 | 2026-08-21 08:49 | 639228980567740722 |
|
1056 ms | 222.185.140.131 |
| 25 | 2026-08-21 08:32 | 639228970762445174 |
|
1335 ms | 222.185.140.131 |
| 24 | 2026-08-21 08:16 | 639228961065054445 |
|
1053 ms | 222.185.140.131 |
| 23 | 2026-08-21 08:00 | 639228951224649885 |
|
1073 ms | 222.185.140.131 |
| 22 | 2026-08-21 07:44 | 639228941303864592 |
|
1071 ms | 222.185.140.131 |
| 21 | 2026-08-21 07:27 | 639228931191328583 |
|
1057 ms | 222.185.140.131 |
| 20 | 2026-08-21 06:34 | 639228899518173317 |
|
3 ms | 222.185.140.131 |
| 19 | 2026-08-21 06:17 | 639228889785027669 |
|
316 ms | 222.185.140.131 |
| 18 | 2026-08-21 06:01 | 639228880106330161 |
|
2739 ms | 222.185.140.131 |
| 17 | 2026-08-21 05:45 | 639228870316184091 |
|
1055 ms | 222.185.140.131 |
| 16 | 2026-08-21 05:29 | 639228860695366512 |
|
3 ms | 222.185.140.131 |
| 15 | 2026-08-21 05:13 | 639228851027209500 |
|
251 ms | 222.185.140.131 |
| 14 | 2026-08-21 04:57 | 639228841479265462 |
|
3 ms | 222.185.140.131 |
| 13 | 2026-08-21 04:41 | 639228831752962260 |
|
1068 ms | 222.185.140.131 |
| 12 | 2026-08-21 04:24 | 639228821953295483 |
|
1055 ms | 222.185.140.131 |
| 11 | 2026-08-21 04:08 | 639228812227429953 |
|
293 ms | 222.185.140.131 |
| 10 | 2026-08-21 03:52 | 639228802476107538 |
|
2303 ms | 222.185.140.131 |
| 9 | 2026-08-21 03:36 | 639228792525492032 |
|
1055 ms | 222.185.140.131 |
| 8 | 2026-08-21 02:43 | 639228761131421385 |
|
569 ms | 222.185.140.131 |
| 7 | 2026-08-21 02:27 | 639228751571206692 |
|
1064 ms | 222.185.140.131 |
| 6 | 2026-08-21 02:11 | 639228741705571019 |
|
2315 ms | 222.185.140.131 |
| 5 | 2026-08-21 01:54 | 639228731642208228 |
|
3 ms | 222.185.140.131 |
| 4 | 2026-08-21 01:01 | 639228700387002072 |
|
4311 ms | 222.185.140.131 |
| 3 | 2026-08-21 00:46 | 639228690742014433 |
|
493 ms | 222.185.140.131 |
| 2 | 2026-08-21 00:29 | 639228680877937122 |
|
1100 ms | 222.185.140.131 |
| 1 | 2026-08-21 00:13 | 639228670775860800 |
|
2313 ms | 222.185.140.131 |