DNS response history for dns2.tj.edu.cn

dns2.tj.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 2026-08-24. For this date, NameServerHistory found 45 DNS check records, 45 successful responses, 0 failed responses, and 512 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.tj.edu.cn.
Records on Selected Date

45

Historical checks stored for this nameserver on selected date

Average Latency

512 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 19:04

All timestamps shown in UTC

Latest Resolved IP on Selected Date

211.81.20.201

Most recently resolved hosting IP on selected date

Successful Responses

45

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.tj.edu.cn

Showing DNS history for 2026-08-24 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
45 2026-08-24 19:04 639231942277816756
264 ms 211.81.20.201
44 2026-08-24 18:47 639231932094180724
814 ms 211.81.20.201
43 2026-08-24 18:30 639231922041034838
264 ms 211.81.20.201
42 2026-08-24 17:37 639231890488117536
9 ms 211.81.20.201
41 2026-08-24 17:21 639231880574255543
742 ms 211.81.20.201
40 2026-08-24 17:04 639231870418029045
292 ms 211.81.20.201
39 2026-08-24 16:47 639231860258429562
742 ms 211.81.20.201
38 2026-08-24 15:54 639231828211839931
853 ms 211.81.20.201
37 2026-08-24 15:37 639231818080917481
265 ms 211.81.20.201
36 2026-08-24 15:20 639231807961539652
741 ms 211.81.20.201
35 2026-08-24 15:03 639231797631669865
266 ms 211.81.20.201
34 2026-08-24 14:10 639231765923559455
832 ms 211.81.20.201
33 2026-08-24 13:53 639231755868832964
829 ms 211.81.20.201
32 2026-08-24 13:37 639231745628278877
745 ms 211.81.20.201
31 2026-08-24 13:19 639231735407682062
806 ms 211.81.20.201
30 2026-08-24 12:26 639231703815441688
744 ms 211.81.20.201
29 2026-08-24 12:10 639231693747052549
267 ms 211.81.20.201
28 2026-08-24 11:53 639231683712487276
292 ms 211.81.20.201
27 2026-08-24 11:36 639231673513573868
840 ms 211.81.20.201
26 2026-08-24 10:43 639231641791249939
4 ms 211.81.20.201
25 2026-08-24 10:27 639231631866211033
4 ms 211.81.20.201
24 2026-08-24 10:10 639231621644955316
4 ms 211.81.20.201
23 2026-08-24 09:53 639231611478799259
800 ms 211.81.20.201
22 2026-08-24 09:00 639231579923718211
3 ms 211.81.20.201
21 2026-08-24 08:43 639231569810702936
759 ms 211.81.20.201
20 2026-08-24 08:26 639231559762411619
803 ms 211.81.20.201
19 2026-08-24 08:10 639231549663595407
841 ms 211.81.20.201
18 2026-08-24 07:17 639231518076817246
277 ms 211.81.20.201
17 2026-08-24 07:00 639231508078650885
270 ms 211.81.20.201
16 2026-08-24 06:44 639231498210697093
290 ms 211.81.20.201
15 2026-08-24 06:27 639231488109699360
758 ms 211.81.20.201
14 2026-08-24 05:35 639231456772510692
5 ms 211.81.20.201
13 2026-08-24 05:18 639231447084631185
266 ms 211.81.20.201
12 2026-08-24 05:02 639231437208519473
805 ms 211.81.20.201
11 2026-08-24 04:46 639231427209627490
768 ms 211.81.20.201
10 2026-08-24 03:53 639231395791246644
8 ms 211.81.20.201
9 2026-08-24 03:37 639231386075551458
2 ms 211.81.20.201
8 2026-08-24 03:21 639231376208713791
261 ms 211.81.20.201
7 2026-08-24 03:04 639231366170589276
1231 ms 211.81.20.201
6 2026-08-24 02:11 639231334732159368
13 ms 211.81.20.201
5 2026-08-24 01:55 639231325035670078
2 ms 211.81.20.201
4 2026-08-24 01:39 639231315132253837
802 ms 211.81.20.201
3 2026-08-24 01:22 639231305014280808
2451 ms 211.81.20.201
2 2026-08-24 00:29 639231273779380675
264 ms 211.81.20.201
1 2026-08-24 00:14 639231264180839154
742 ms 211.81.20.201