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 2026-08-20. For this date, NameServerHistory found 57 DNS check records, 57 successful responses, 0 failed responses, and 1378 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

57

Historical checks stored for this nameserver on selected date

Average Latency

1378 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:20

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

57

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 2026-08-20 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
57 2026-08-20 23:20 639228639850033448
3 ms 222.185.140.131
56 2026-08-20 23:05 639228630204271870
3 ms 222.185.140.131
55 2026-08-20 22:48 639228620295091135
1057 ms 222.185.140.131
54 2026-08-20 22:32 639228610298336915
1063 ms 222.185.140.131
53 2026-08-20 21:39 639228578917047616
3 ms 222.185.140.131
52 2026-08-20 21:23 639228569046445709
4 ms 222.185.140.131
51 2026-08-20 21:07 639228558946830986
4306 ms 222.185.140.131
50 2026-08-20 20:50 639228548977359217
1052 ms 222.185.140.131
49 2026-08-20 19:57 639228517494157668
4 ms 222.185.140.131
48 2026-08-20 19:41 639228507374116892
4 ms 222.185.140.131
47 2026-08-20 19:24 639228497315154893
1059 ms 222.185.140.131
46 2026-08-20 19:07 639228487287648341
4309 ms 222.185.140.131
45 2026-08-20 18:14 639228455828123788
1062 ms 222.185.140.131
44 2026-08-20 17:58 639228445900082244
1808 ms 222.185.140.131
43 2026-08-20 17:41 639228435866352323
2259 ms 222.185.140.131
42 2026-08-20 17:24 639228425802273151
309 ms 222.185.140.131
41 2026-08-20 16:31 639228393616324230
755 ms 222.185.140.131
40 2026-08-20 16:14 639228383590408693
755 ms 222.185.140.131
39 2026-08-20 15:57 639228373471467474
714 ms 222.185.140.131
38 2026-08-20 15:41 639228363426647311
2033 ms 222.185.140.131
37 2026-08-20 14:47 639228331681701910
3770 ms 222.185.140.131
36 2026-08-20 14:31 639228321714746824
1053 ms 222.185.140.131
35 2026-08-20 14:14 639228311652090262
4 ms 222.185.140.131
34 2026-08-20 13:57 639228301670088587
1056 ms 222.185.140.131
33 2026-08-20 13:05 639228269987976710
1109 ms 222.185.140.131
32 2026-08-20 12:48 639228260009452308
1069 ms 222.185.140.131
31 2026-08-20 12:31 639228249661740894
819 ms 222.185.140.131
30 2026-08-20 12:14 639228239552680346
4300 ms 222.185.140.131
29 2026-08-20 11:21 639228207667580819
1099 ms 222.185.140.131
28 2026-08-20 11:04 639228197494011560
2299 ms 222.185.140.131
27 2026-08-20 10:47 639228187497039939
2311 ms 222.185.140.131
26 2026-08-20 10:30 639228177408432646
1661 ms 222.185.140.131
25 2026-08-20 09:38 639228146356166262
3996 ms 222.185.140.131
24 2026-08-20 09:22 639228136541505712
1061 ms 222.185.140.131
23 2026-08-20 09:06 639228126519136598
3 ms 222.185.140.131
22 2026-08-20 08:49 639228116537148885
1102 ms 222.185.140.131
21 2026-08-20 07:56 639228085320764351
3 ms 222.185.140.131
20 2026-08-20 07:40 639228075444604839
2328 ms 222.185.140.131
19 2026-08-20 07:24 639228065615498985
1054 ms 222.185.140.131
18 2026-08-20 07:07 639228055675321422
4321 ms 222.185.140.131
17 2026-08-20 06:15 639228024230839396
1998 ms 222.185.140.131
16 2026-08-20 05:59 639228014720406505
1123 ms 222.185.140.131
15 2026-08-20 05:43 639228004930827030
1054 ms 222.185.140.131
14 2026-08-20 05:26 639227995103340154
1061 ms 222.185.140.131
13 2026-08-20 04:34 639227963811374894
322 ms 222.185.140.131
12 2026-08-20 04:18 639227954132571365
1102 ms 222.185.140.131
11 2026-08-20 04:02 639227944541208342
1062 ms 222.185.140.131
10 2026-08-20 03:46 639227934657213484
1056 ms 222.185.140.131
9 2026-08-20 02:53 639227903628145469
1929 ms 222.185.140.131
8 2026-08-20 02:38 639227893995483475
1817 ms 222.185.140.131
7 2026-08-20 02:21 639227884280244209
3 ms 222.185.140.131
6 2026-08-20 02:05 639227874371147132
1057 ms 222.185.140.131
5 2026-08-20 01:13 639227843224256432
2306 ms 222.185.140.131
4 2026-08-20 00:57 639227833720403506
3 ms 222.185.140.131
3 2026-08-20 00:41 639227824170728278
2303 ms 222.185.140.131
2 2026-08-20 00:25 639227814865867570
1057 ms 222.185.140.131
1 2026-08-20 00:10 639227805445376839
2319 ms 222.185.140.131