DNS response history for dns2.stbu.edu.cn

dns2.stbu.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 615 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.stbu.edu.cn.
Records on Selected Date

45

Historical checks stored for this nameserver on selected date

Average Latency

615 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 19:05

All timestamps shown in UTC

Latest Resolved IP on Selected Date

202.115.254.251

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.stbu.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 19:05 639231942277816756
865 ms 202.115.254.251
44 2026-08-24 18:48 639231932094180724
620 ms 202.115.254.251
43 2026-08-24 18:31 639231922041034838
590 ms 202.115.254.251
42 2026-08-24 17:38 639231890488117536
586 ms 202.115.254.251
41 2026-08-24 17:22 639231880574255543
585 ms 202.115.254.251
40 2026-08-24 17:05 639231870418029045
651 ms 202.115.254.251
39 2026-08-24 16:48 639231860258429562
590 ms 202.115.254.251
38 2026-08-24 15:54 639231828211839931
589 ms 202.115.254.251
37 2026-08-24 15:38 639231818080917481
273 ms 202.115.254.251
36 2026-08-24 15:21 639231807961539652
583 ms 202.115.254.251
35 2026-08-24 15:04 639231797631669865
796 ms 202.115.254.251
34 2026-08-24 14:11 639231765923559455
514 ms 202.115.254.251
33 2026-08-24 13:54 639231755868832964
592 ms 202.115.254.251
32 2026-08-24 13:37 639231745628278877
610 ms 202.115.254.251
31 2026-08-24 13:20 639231735407682062
831 ms 202.115.254.251
30 2026-08-24 12:27 639231703815441688
608 ms 202.115.254.251
29 2026-08-24 12:10 639231693747052549
580 ms 202.115.254.251
28 2026-08-24 11:54 639231683712487276
826 ms 202.115.254.251
27 2026-08-24 11:37 639231673513573868
800 ms 202.115.254.251
26 2026-08-24 10:43 639231641791249939
578 ms 202.115.254.251
25 2026-08-24 10:27 639231631866211033
580 ms 202.115.254.251
24 2026-08-24 10:10 639231621644955316
587 ms 202.115.254.251
23 2026-08-24 09:53 639231611478799259
298 ms 202.115.254.251
22 2026-08-24 09:01 639231579923718211
581 ms 202.115.254.251
21 2026-08-24 08:44 639231569810702936
856 ms 202.115.254.251
20 2026-08-24 08:27 639231559762411619
865 ms 202.115.254.251
19 2026-08-24 08:10 639231549663595407
580 ms 202.115.254.251
18 2026-08-24 07:17 639231518076817246
592 ms 202.115.254.251
17 2026-08-24 07:01 639231508078650885
620 ms 202.115.254.251
16 2026-08-24 06:44 639231498210697093
576 ms 202.115.254.251
15 2026-08-24 06:28 639231488109699360
772 ms 202.115.254.251
14 2026-08-24 05:35 639231456772510692
588 ms 202.115.254.251
13 2026-08-24 05:19 639231447084631185
574 ms 202.115.254.251
12 2026-08-24 05:02 639231437208519473
827 ms 202.115.254.251
11 2026-08-24 04:46 639231427209627490
571 ms 202.115.254.251
10 2026-08-24 03:53 639231395791246644
572 ms 202.115.254.251
9 2026-08-24 03:37 639231386075551458
548 ms 202.115.254.251
8 2026-08-24 03:21 639231376208713791
287 ms 202.115.254.251
7 2026-08-24 03:04 639231366170589276
517 ms 202.115.254.251
6 2026-08-24 02:12 639231334732159368
822 ms 202.115.254.251
5 2026-08-24 01:56 639231325035670078
335 ms 202.115.254.251
4 2026-08-24 01:39 639231315132253837
589 ms 202.115.254.251
3 2026-08-24 01:23 639231305014280808
268 ms 202.115.254.251
2 2026-08-24 00:30 639231273779380675
782 ms 202.115.254.251
1 2026-08-24 00:14 639231264180839154
840 ms 202.115.254.251