DNS response history for dns2.sumhs.edu.cn

dns2.sumhs.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 50 DNS check records, 49 successful responses, 1 failed responses, and 1248 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.sumhs.edu.cn.
Records on Selected Date

50

Historical checks stored for this nameserver on selected date

Average Latency

1248 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 21:06

All timestamps shown in UTC

Latest Resolved IP on Selected Date

219.228.48.15

Most recently resolved hosting IP on selected date

Successful Responses

49

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for dns2.sumhs.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
50 2026-08-24 21:06 639232014356623395
3 ms 219.228.48.15
49 2026-08-24 20:49 639232004177831322
6 ms 219.228.48.15
48 2026-08-24 20:32 639231993997863976
-
47 2026-08-24 20:15 639231983967363696
1205 ms 219.228.48.15
46 2026-08-24 19:22 639231952257842845
2007 ms 219.228.48.15
45 2026-08-24 19:05 639231942277816756
4356 ms 219.228.48.15
44 2026-08-24 18:49 639231932094180724
739 ms 219.228.48.15
43 2026-08-24 18:32 639231922041034838
823 ms 219.228.48.15
42 2026-08-24 17:39 639231890488117536
835 ms 219.228.48.15
41 2026-08-24 17:22 639231880574255543
3758 ms 219.228.48.15
40 2026-08-24 17:06 639231870418029045
2262 ms 219.228.48.15
39 2026-08-24 16:49 639231860258429562
567 ms 219.228.48.15
38 2026-08-24 15:55 639231828211839931
2 ms 219.228.48.15
37 2026-08-24 15:38 639231818080917481
242 ms 219.228.48.15
36 2026-08-24 15:21 639231807961539652
1725 ms 219.228.48.15
35 2026-08-24 15:05 639231797631669865
4346 ms 219.228.48.15
34 2026-08-24 14:11 639231765923559455
10 ms 219.228.48.15
33 2026-08-24 13:55 639231755868832964
2 ms 219.228.48.15
32 2026-08-24 13:38 639231745628278877
246 ms 219.228.48.15
31 2026-08-24 13:21 639231735407682062
757 ms 219.228.48.15
30 2026-08-24 12:28 639231703815441688
3 ms 219.228.48.15
29 2026-08-24 12:11 639231693747052549
809 ms 219.228.48.15
28 2026-08-24 11:54 639231683712487276
1210 ms 219.228.48.15
27 2026-08-24 11:38 639231673513573868
758 ms 219.228.48.15
26 2026-08-24 10:44 639231641791249939
2688 ms 219.228.48.15
25 2026-08-24 10:28 639231631866211033
4351 ms 219.228.48.15
24 2026-08-24 10:11 639231621644955316
5 ms 219.228.48.15
23 2026-08-24 09:54 639231611478799259
831 ms 219.228.48.15
22 2026-08-24 09:01 639231579923718211
14 ms 219.228.48.15
21 2026-08-24 08:45 639231569810702936
758 ms 219.228.48.15
20 2026-08-24 08:28 639231559762411619
2569 ms 219.228.48.15
19 2026-08-24 08:11 639231549663595407
829 ms 219.228.48.15
18 2026-08-24 07:18 639231518076817246
2 ms 219.228.48.15
17 2026-08-24 07:02 639231508078650885
4349 ms 219.228.48.15
16 2026-08-24 06:45 639231498210697093
248 ms 219.228.48.15
15 2026-08-24 06:28 639231488109699360
246 ms 219.228.48.15
14 2026-08-24 05:36 639231456772510692
5 ms 219.228.48.15
13 2026-08-24 05:19 639231447084631185
512 ms 219.228.48.15
12 2026-08-24 05:03 639231437208519473
1261 ms 219.228.48.15
11 2026-08-24 04:47 639231427209627490
728 ms 219.228.48.15
10 2026-08-24 03:54 639231395791246644
2 ms 219.228.48.15
9 2026-08-24 03:38 639231386075551458
3 ms 219.228.48.15
8 2026-08-24 03:22 639231376208713791
1231 ms 219.228.48.15
7 2026-08-24 03:05 639231366170589276
487 ms 219.228.48.15
6 2026-08-24 02:13 639231334732159368
2658 ms 219.228.48.15
5 2026-08-24 01:56 639231325035670078
702 ms 219.228.48.15
4 2026-08-24 01:40 639231315132253837
2355 ms 219.228.48.15
3 2026-08-24 01:23 639231305014280808
2303 ms 219.228.48.15
2 2026-08-24 00:31 639231273779380675
4350 ms 219.228.48.15
1 2026-08-24 00:15 639231264180839154
990 ms 219.228.48.15