DNS response history for dns2.sc.edu.cn

dns2.sc.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 2026-08-25. For this date, NameServerHistory found 41 DNS check records, 41 successful responses, 0 failed responses, and 666 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.sc.edu.cn.
Records on Selected Date

41

Historical checks stored for this nameserver on selected date

Average Latency

666 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 13:51

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

41

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.sc.edu.cn

Showing DNS history for 2026-08-25 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
41 2026-08-25 13:51 639232618360728578
329 ms 202.115.254.251
40 2026-08-25 13:34 639232608016476376
833 ms 202.115.254.251
39 2026-08-25 13:17 639232597643611557
321 ms 202.115.254.251
38 2026-08-25 13:00 639232587225721862
832 ms 202.115.254.251
37 2026-08-25 12:42 639232576780683689
584 ms 202.115.254.251
36 2026-08-25 12:25 639232566381512620
832 ms 202.115.254.251
35 2026-08-25 12:08 639232556111768563
581 ms 202.115.254.251
34 2026-08-25 11:51 639232545839529039
869 ms 202.115.254.251
33 2026-08-25 11:33 639232535349285207
581 ms 202.115.254.251
32 2026-08-25 11:16 639232524938080723
810 ms 202.115.254.251
31 2026-08-25 10:22 639232492740373468
8 ms 202.115.254.251
30 2026-08-25 10:05 639232482235303141
576 ms 202.115.254.251
29 2026-08-25 09:47 639232471861770303
327 ms 202.115.254.251
28 2026-08-25 09:30 639232461630217327
842 ms 202.115.254.251
27 2026-08-25 09:13 639232451282965990
330 ms 202.115.254.251
26 2026-08-25 08:56 639232440814614938
1231 ms 202.115.254.251
25 2026-08-25 08:38 639232430410720425
1371 ms 202.115.254.251
24 2026-08-25 08:21 639232420003096185
594 ms 202.115.254.251
23 2026-08-25 08:04 639232409467287444
599 ms 202.115.254.251
22 2026-08-25 07:46 639232399077195997
299 ms 202.115.254.251
21 2026-08-25 07:29 639232388731528337
308 ms 202.115.254.251
20 2026-08-25 07:11 639232378288598612
847 ms 202.115.254.251
19 2026-08-25 06:18 639232346196373643
855 ms 202.115.254.251
18 2026-08-25 06:01 639232336112370741
809 ms 202.115.254.251
17 2026-08-25 05:44 639232326146508970
810 ms 202.115.254.251
16 2026-08-25 05:27 639232316189381720
486 ms 202.115.254.251
15 2026-08-25 05:11 639232306217998913
322 ms 202.115.254.251
14 2026-08-25 04:54 639232296255744174
588 ms 202.115.254.251
13 2026-08-25 04:37 639232286095760789
293 ms 202.115.254.251
12 2026-08-25 04:21 639232276086186273
582 ms 202.115.254.251
11 2026-08-25 04:04 639232265900986425
1200 ms 202.115.254.251
10 2026-08-25 03:47 639232255723518075
807 ms 202.115.254.251
9 2026-08-25 03:30 639232245484452890
979 ms 202.115.254.251
8 2026-08-25 03:13 639232235157175331
850 ms 202.115.254.251
7 2026-08-25 02:19 639232203197189095
606 ms 202.115.254.251
6 2026-08-25 02:02 639232192844564298
579 ms 202.115.254.251
5 2026-08-25 01:45 639232182496008942
856 ms 202.115.254.251
4 2026-08-25 01:28 639232172197053132
837 ms 202.115.254.251
3 2026-08-25 00:34 639232140250307418
802 ms 202.115.254.251
2 2026-08-25 00:18 639232129927860324
297 ms 202.115.254.251
1 2026-08-25 00:00 639232119551972438
863 ms 202.115.254.251