DNS response history for dns2.cic.tsinghua.edu.cn

dns2.cic.tsinghua.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 2026-08-26. For this date, NameServerHistory found 34 DNS check records, 34 successful responses, 0 failed responses, and 409 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 dns2.cic.tsinghua.edu.cn.
Records on Selected Date

34

Historical checks stored for this nameserver on selected date

Average Latency

409 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 10:44

All timestamps shown in UTC

Latest Resolved IP on Selected Date

166.111.4.30

Most recently resolved hosting IP on selected date

Successful Responses

34

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 dns2.cic.tsinghua.edu.cn

Showing DNS history for 2026-08-26 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
34 2026-08-26 10:44 639233370841350248
224 ms 166.111.4.30
33 2026-08-26 10:27 639233360361507238
243 ms 166.111.4.30
32 2026-08-26 10:10 639233350067824371
233 ms 166.111.4.30
31 2026-08-26 09:53 639233339545274518
235 ms 166.111.4.30
30 2026-08-26 09:35 639233329214918079
560 ms 166.111.4.30
29 2026-08-26 09:18 639233318749762337
249 ms 166.111.4.30
28 2026-08-26 09:00 639233308387917838
524 ms 166.111.4.30
27 2026-08-26 08:43 639233297961740122
513 ms 166.111.4.30
26 2026-08-26 08:26 639233287487159094
242 ms 166.111.4.30
25 2026-08-26 08:08 639233276995531707
524 ms 166.111.4.30
24 2026-08-26 07:51 639233266521568229
560 ms 166.111.4.30
23 2026-08-26 07:33 639233256081047431
541 ms 166.111.4.30
22 2026-08-26 06:39 639233223620132921
236 ms 166.111.4.30
21 2026-08-26 06:22 639233213287814244
458 ms 166.111.4.30
20 2026-08-26 06:05 639233202925983161
525 ms 166.111.4.30
19 2026-08-26 05:48 639233192644780696
232 ms 166.111.4.30
18 2026-08-26 05:30 639233182401183833
441 ms 166.111.4.30
17 2026-08-26 05:13 639233172074181051
490 ms 166.111.4.30
16 2026-08-26 04:56 639233161808421455
496 ms 166.111.4.30
15 2026-08-26 04:39 639233151357344052
227 ms 166.111.4.30
14 2026-08-26 04:22 639233141034116946
500 ms 166.111.4.30
13 2026-08-26 04:04 639233130828334142
509 ms 166.111.4.30
12 2026-08-26 03:47 639233120373450007
507 ms 166.111.4.30
11 2026-08-26 03:30 639233110066216193
504 ms 166.111.4.30
10 2026-08-26 02:37 639233078065410564
232 ms 166.111.4.30
9 2026-08-26 02:20 639233067787457832
498 ms 166.111.4.30
8 2026-08-26 02:02 639233057501801162
460 ms 166.111.4.30
7 2026-08-26 01:45 639233047089431703
475 ms 166.111.4.30
6 2026-08-26 01:28 639233036754790688
218 ms 166.111.4.30
5 2026-08-26 01:11 639233026412602472
453 ms 166.111.4.30
4 2026-08-26 00:53 639233016064066127
497 ms 166.111.4.30
3 2026-08-26 00:36 639233005922655772
441 ms 166.111.4.30
2 2026-08-26 00:19 639232995672256907
440 ms 166.111.4.30
1 2026-08-26 00:02 639232985300872416
435 ms 166.111.4.30