DNS response history for bj-ns-11.cofco.com

bj-ns-11.cofco.com 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 63 DNS check records, 63 successful responses, 0 failed responses, and 380 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 bj-ns-11.cofco.com.
Records on Selected Date

63

Historical checks stored for this nameserver on selected date

Average Latency

380 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 21:41

All timestamps shown in UTC

Latest Resolved IP on Selected Date

219.143.42.254

Most recently resolved hosting IP on selected date

Successful Responses

63

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 bj-ns-11.cofco.com

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
63 2026-08-25 21:41 639232900747078453
254 ms 219.143.42.254
62 2026-08-25 21:23 639232890389222534
381 ms 219.143.42.254
61 2026-08-25 21:06 639232880143390843
281 ms 219.143.42.254
60 2026-08-25 20:49 639232869755024069
403 ms 219.143.42.254
59 2026-08-25 20:32 639232859355940346
388 ms 219.143.42.254
58 2026-08-25 20:14 639232848992244953
217 ms 219.143.42.254
57 2026-08-25 19:57 639232838596478500
160 ms 219.143.42.254
56 2026-08-25 19:40 639232828175327683
209 ms 219.143.42.254
55 2026-08-25 19:22 639232817798330473
398 ms 219.143.42.254
54 2026-08-25 18:28 639232785462407552
236 ms 219.143.42.254
53 2026-08-25 18:11 639232775177487032
437 ms 219.143.42.254
52 2026-08-25 17:54 639232764991087115
411 ms 219.143.42.254
51 2026-08-25 17:37 639232754842971478
169 ms 219.143.42.254
50 2026-08-25 17:20 639232744455159107
398 ms 219.143.42.254
49 2026-08-25 17:03 639232734145178231
421 ms 219.143.42.254
48 2026-08-25 16:46 639232723827874402
417 ms 219.143.42.254
47 2026-08-25 16:29 639232713533011892
820 ms 219.143.42.254
46 2026-08-25 16:11 639232703065318207
415 ms 219.143.42.254
45 2026-08-25 15:54 639232692629559470
246 ms 219.143.42.254
44 2026-08-25 15:36 639232682238836475
299 ms 219.143.42.254
43 2026-08-25 15:19 639232671787004306
260 ms 219.143.42.254
42 2026-08-25 14:24 639232638994329666
429 ms 219.143.42.254
41 2026-08-25 14:07 639232628614783237
412 ms 219.143.42.254
40 2026-08-25 13:50 639232618360728578
272 ms 219.143.42.254
39 2026-08-25 13:33 639232608016476376
233 ms 219.143.42.254
38 2026-08-25 13:15 639232597643611557
160 ms 219.143.42.254
37 2026-08-25 12:58 639232587225721862
308 ms 219.143.42.254
36 2026-08-25 12:41 639232576780683689
186 ms 219.143.42.254
35 2026-08-25 12:23 639232566381512620
2353 ms 219.143.42.254
34 2026-08-25 12:06 639232556111768563
420 ms 219.143.42.254
33 2026-08-25 11:49 639232545839529039
259 ms 219.143.42.254
32 2026-08-25 11:32 639232535349285207
311 ms 219.143.42.254
31 2026-08-25 11:14 639232524938080723
395 ms 219.143.42.254
30 2026-08-25 10:21 639232492740373468
272 ms 219.143.42.254
29 2026-08-25 10:03 639232482235303141
432 ms 219.143.42.254
28 2026-08-25 09:46 639232471861770303
232 ms 219.143.42.254
27 2026-08-25 09:29 639232461630217327
370 ms 219.143.42.254
26 2026-08-25 09:12 639232451282965990
176 ms 219.143.42.254
25 2026-08-25 08:54 639232440814614938
159 ms 219.143.42.254
24 2026-08-25 08:37 639232430410720425
304 ms 219.143.42.254
23 2026-08-25 08:19 639232420003096185
277 ms 219.143.42.254
22 2026-08-25 08:02 639232409467287444
463 ms 219.143.42.254
21 2026-08-25 07:45 639232399077195997
225 ms 219.143.42.254
20 2026-08-25 07:27 639232388731528337
452 ms 219.143.42.254
19 2026-08-25 07:10 639232378288598612
168 ms 219.143.42.254
18 2026-08-25 06:16 639232346196373643
391 ms 219.143.42.254
17 2026-08-25 05:59 639232336112370741
397 ms 219.143.42.254
16 2026-08-25 05:43 639232326146508970
392 ms 219.143.42.254
15 2026-08-25 05:26 639232316189381720
287 ms 219.143.42.254
14 2026-08-25 05:10 639232306217998913
440 ms 219.143.42.254
13 2026-08-25 04:53 639232296255744174
274 ms 219.143.42.254
12 2026-08-25 04:36 639232286095760789
245 ms 219.143.42.254
11 2026-08-25 04:19 639232276086186273
1795 ms 219.143.42.254
10 2026-08-25 04:02 639232265900986425
217 ms 219.143.42.254
9 2026-08-25 03:46 639232255723518075
285 ms 219.143.42.254
8 2026-08-25 03:28 639232245484452890
423 ms 219.143.42.254
7 2026-08-25 03:11 639232235157175331
245 ms 219.143.42.254
6 2026-08-25 02:18 639232203197189095
435 ms 219.143.42.254
5 2026-08-25 02:01 639232192844564298
376 ms 219.143.42.254
4 2026-08-25 01:44 639232182496008942
308 ms 219.143.42.254
3 2026-08-25 01:26 639232172197053132
382 ms 219.143.42.254
2 2026-08-25 00:33 639232140250307418
266 ms 219.143.42.254
1 2026-08-25 00:16 639232129927860324
300 ms 219.143.42.254