DNS response history for ns.pku.edu.cn

ns.pku.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 20 DNS check records, 20 successful responses, 0 failed responses, and 279 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 ns.pku.edu.cn.
Records on Selected Date

20

Historical checks stored for this nameserver on selected date

Average Latency

279 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 07:27

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.105.129.130

Most recently resolved hosting IP on selected date

Successful Responses

20

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 ns.pku.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
20 2026-08-25 07:27 639232388731528337
289 ms 162.105.129.130
19 2026-08-25 07:09 639232378288598612
274 ms 162.105.129.130
18 2026-08-25 06:16 639232346196373643
277 ms 162.105.129.130
17 2026-08-25 05:59 639232336112370741
269 ms 162.105.129.130
16 2026-08-25 05:42 639232326146508970
280 ms 162.105.129.130
15 2026-08-25 05:26 639232316189381720
267 ms 162.105.129.130
14 2026-08-25 05:09 639232306217998913
315 ms 162.105.129.130
13 2026-08-25 04:52 639232296255744174
268 ms 162.105.129.130
12 2026-08-25 04:35 639232286095760789
267 ms 162.105.129.130
11 2026-08-25 04:19 639232276086186273
268 ms 162.105.129.130
10 2026-08-25 04:02 639232265900986425
283 ms 162.105.129.130
9 2026-08-25 03:45 639232255723518075
266 ms 162.105.129.130
8 2026-08-25 03:28 639232245484452890
270 ms 162.105.129.130
7 2026-08-25 03:11 639232235157175331
289 ms 162.105.129.130
6 2026-08-25 02:17 639232203197189095
287 ms 162.105.129.130
5 2026-08-25 02:00 639232192844564298
287 ms 162.105.129.130
4 2026-08-25 01:43 639232182496008942
269 ms 162.105.129.130
3 2026-08-25 01:26 639232172197053132
284 ms 162.105.129.130
2 2026-08-25 00:32 639232140250307418
268 ms 162.105.129.130
1 2026-08-25 00:15 639232129927860324
295 ms 162.105.129.130