DNS response history for dns2.usc.edu.cn

dns2.usc.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 46 DNS check records, 46 successful responses, 0 failed responses, and 766 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.usc.edu.cn.
Records on Selected Date

46

Historical checks stored for this nameserver on selected date

Average Latency

766 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 19:22

All timestamps shown in UTC

Latest Resolved IP on Selected Date

210.43.112.32

Most recently resolved hosting IP on selected date

Successful Responses

46

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.usc.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
46 2026-08-24 19:22 639231952257842845
4 ms 210.43.112.32
45 2026-08-24 19:05 639231942277816756
803 ms 210.43.112.32
44 2026-08-24 18:48 639231932094180724
2 ms 210.43.112.32
43 2026-08-24 18:31 639231922041034838
834 ms 210.43.112.32
42 2026-08-24 17:39 639231890488117536
3 ms 210.43.112.32
41 2026-08-24 17:22 639231880574255543
835 ms 210.43.112.32
40 2026-08-24 17:06 639231870418029045
835 ms 210.43.112.32
39 2026-08-24 16:49 639231860258429562
263 ms 210.43.112.32
38 2026-08-24 15:55 639231828211839931
4 ms 210.43.112.32
37 2026-08-24 15:38 639231818080917481
2 ms 210.43.112.32
36 2026-08-24 15:21 639231807961539652
260 ms 210.43.112.32
35 2026-08-24 15:05 639231797631669865
841 ms 210.43.112.32
34 2026-08-24 14:11 639231765923559455
744 ms 210.43.112.32
33 2026-08-24 13:55 639231755868832964
917 ms 210.43.112.32
32 2026-08-24 13:38 639231745628278877
862 ms 210.43.112.32
31 2026-08-24 13:21 639231735407682062
1222 ms 210.43.112.32
30 2026-08-24 12:28 639231703815441688
1171 ms 210.43.112.32
29 2026-08-24 12:11 639231693747052549
2581 ms 210.43.112.32
28 2026-08-24 11:54 639231683712487276
969 ms 210.43.112.32
27 2026-08-24 11:37 639231673513573868
9 ms 210.43.112.32
26 2026-08-24 10:44 639231641791249939
836 ms 210.43.112.32
25 2026-08-24 10:28 639231631866211033
836 ms 210.43.112.32
24 2026-08-24 10:11 639231621644955316
719 ms 210.43.112.32
23 2026-08-24 09:54 639231611478799259
717 ms 210.43.112.32
22 2026-08-24 09:01 639231579923718211
5 ms 210.43.112.32
21 2026-08-24 08:45 639231569810702936
2569 ms 210.43.112.32
20 2026-08-24 08:28 639231559762411619
3 ms 210.43.112.32
19 2026-08-24 08:11 639231549663595407
671 ms 210.43.112.32
18 2026-08-24 07:18 639231518076817246
3 ms 210.43.112.32
17 2026-08-24 07:02 639231508078650885
3 ms 210.43.112.32
16 2026-08-24 06:45 639231498210697093
519 ms 210.43.112.32
15 2026-08-24 06:28 639231488109699360
254 ms 210.43.112.32
14 2026-08-24 05:36 639231456772510692
4 ms 210.43.112.32
13 2026-08-24 05:19 639231447084631185
286 ms 210.43.112.32
12 2026-08-24 05:03 639231437208519473
4300 ms 210.43.112.32
11 2026-08-24 04:47 639231427209627490
652 ms 210.43.112.32
10 2026-08-24 03:54 639231395791246644
267 ms 210.43.112.32
9 2026-08-24 03:38 639231386075551458
1211 ms 210.43.112.32
8 2026-08-24 03:22 639231376208713791
318 ms 210.43.112.32
7 2026-08-24 03:05 639231366170589276
1345 ms 210.43.112.32
6 2026-08-24 02:13 639231334732159368
1181 ms 210.43.112.32
5 2026-08-24 01:56 639231325035670078
2299 ms 210.43.112.32
4 2026-08-24 01:40 639231315132253837
954 ms 210.43.112.32
3 2026-08-24 01:23 639231305014280808
719 ms 210.43.112.32
2 2026-08-24 00:31 639231273779380675
967 ms 210.43.112.32
1 2026-08-24 00:15 639231264180839154
438 ms 210.43.112.32