DNS response history for ns1.pctj.edu.cn

ns1.pctj.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 32 DNS check records, 32 successful responses, 0 failed responses, and 312 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 ns1.pctj.edu.cn.
Records on Selected Date

32

Historical checks stored for this nameserver on selected date

Average Latency

312 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 13:37

All timestamps shown in UTC

Latest Resolved IP on Selected Date

42.247.33.126

Most recently resolved hosting IP on selected date

Successful Responses

32

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 ns1.pctj.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
32 2026-08-24 13:37 639231745628278877
421 ms 42.247.33.126
31 2026-08-24 13:19 639231735407682062
791 ms 42.247.33.126
30 2026-08-24 12:27 639231703815441688
444 ms 42.247.33.126
29 2026-08-24 12:10 639231693747052549
165 ms 42.247.33.126
28 2026-08-24 11:53 639231683712487276
789 ms 42.247.33.126
27 2026-08-24 11:36 639231673513573868
701 ms 42.247.33.126
26 2026-08-24 10:43 639231641791249939
166 ms 42.247.33.126
25 2026-08-24 10:27 639231631866211033
12 ms 42.247.33.126
24 2026-08-24 10:10 639231621644955316
4 ms 42.247.33.126
23 2026-08-24 09:53 639231611478799259
4 ms 42.247.33.126
22 2026-08-24 09:00 639231579923718211
211 ms 42.247.33.126
21 2026-08-24 08:44 639231569810702936
11 ms 42.247.33.126
20 2026-08-24 08:27 639231559762411619
854 ms 42.247.33.126
19 2026-08-24 08:10 639231549663595407
1222 ms 42.247.33.126
18 2026-08-24 07:17 639231518076817246
212 ms 42.247.33.126
17 2026-08-24 07:01 639231508078650885
1050 ms 42.247.33.126
16 2026-08-24 06:44 639231498210697093
3 ms 42.247.33.126
15 2026-08-24 06:27 639231488109699360
4 ms 42.247.33.126
14 2026-08-24 05:35 639231456772510692
160 ms 42.247.33.126
13 2026-08-24 05:18 639231447084631185
797 ms 42.247.33.126
12 2026-08-24 05:02 639231437208519473
4 ms 42.247.33.126
11 2026-08-24 04:46 639231427209627490
488 ms 42.247.33.126
10 2026-08-24 03:53 639231395791246644
290 ms 42.247.33.126
9 2026-08-24 03:37 639231386075551458
2 ms 42.247.33.126
8 2026-08-24 03:21 639231376208713791
157 ms 42.247.33.126
7 2026-08-24 03:04 639231366170589276
2 ms 42.247.33.126
6 2026-08-24 02:12 639231334732159368
288 ms 42.247.33.126
5 2026-08-24 01:55 639231325035670078
3 ms 42.247.33.126
4 2026-08-24 01:39 639231315132253837
718 ms 42.247.33.126
3 2026-08-24 01:22 639231305014280808
2 ms 42.247.33.126
2 2026-08-24 00:30 639231273779380675
9 ms 42.247.33.126
1 2026-08-24 00:14 639231264180839154
3 ms 42.247.33.126