DNS response history for ns1.sys-yuanduo.net

ns1.sys-yuanduo.net 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 54 DNS check records, 54 successful responses, 0 failed responses, and 420 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.sys-yuanduo.net.
Records on Selected Date

54

Historical checks stored for this nameserver on selected date

Average Latency

420 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 18:29

All timestamps shown in UTC

Latest Resolved IP on Selected Date

43.254.19.17

Most recently resolved hosting IP on selected date

Successful Responses

54

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.sys-yuanduo.net

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
54 2026-08-25 18:29 639232785462407552
492 ms 43.254.19.17
53 2026-08-25 18:12 639232775177487032
491 ms 43.254.19.17
52 2026-08-25 17:55 639232764991087115
2202 ms 43.254.19.17
51 2026-08-25 17:38 639232754842971478
249 ms 43.254.19.17
50 2026-08-25 17:21 639232744455159107
518 ms 43.254.19.17
49 2026-08-25 17:04 639232734145178231
216 ms 43.254.19.17
48 2026-08-25 16:46 639232723827874402
492 ms 43.254.19.17
47 2026-08-25 16:29 639232713533011892
490 ms 43.254.19.17
46 2026-08-25 16:12 639232703065318207
493 ms 43.254.19.17
45 2026-08-25 15:54 639232692629559470
276 ms 43.254.19.17
44 2026-08-25 15:37 639232682238836475
246 ms 43.254.19.17
43 2026-08-25 15:20 639232671787004306
493 ms 43.254.19.17
42 2026-08-25 14:25 639232638994329666
246 ms 43.254.19.17
41 2026-08-25 14:08 639232628614783237
497 ms 43.254.19.17
40 2026-08-25 13:50 639232618360728578
501 ms 43.254.19.17
39 2026-08-25 13:33 639232608016476376
491 ms 43.254.19.17
38 2026-08-25 13:16 639232597643611557
511 ms 43.254.19.17
37 2026-08-25 12:59 639232587225721862
495 ms 43.254.19.17
36 2026-08-25 12:41 639232576780683689
246 ms 43.254.19.17
35 2026-08-25 12:24 639232566381512620
491 ms 43.254.19.17
34 2026-08-25 12:07 639232556111768563
494 ms 43.254.19.17
33 2026-08-25 11:50 639232545839529039
496 ms 43.254.19.17
32 2026-08-25 11:32 639232535349285207
248 ms 43.254.19.17
31 2026-08-25 11:15 639232524938080723
495 ms 43.254.19.17
30 2026-08-25 10:21 639232492740373468
491 ms 43.254.19.17
29 2026-08-25 10:04 639232482235303141
497 ms 43.254.19.17
28 2026-08-25 09:46 639232471861770303
495 ms 43.254.19.17
27 2026-08-25 09:29 639232461630217327
502 ms 43.254.19.17
26 2026-08-25 09:12 639232451282965990
248 ms 43.254.19.17
25 2026-08-25 08:55 639232440814614938
247 ms 43.254.19.17
24 2026-08-25 08:37 639232430410720425
249 ms 43.254.19.17
23 2026-08-25 08:20 639232420003096185
249 ms 43.254.19.17
22 2026-08-25 08:03 639232409467287444
247 ms 43.254.19.17
21 2026-08-25 07:45 639232399077195997
247 ms 43.254.19.17
20 2026-08-25 07:28 639232388731528337
492 ms 43.254.19.17
19 2026-08-25 07:10 639232378288598612
491 ms 43.254.19.17
18 2026-08-25 06:17 639232346196373643
257 ms 43.254.19.17
17 2026-08-25 06:00 639232336112370741
251 ms 43.254.19.17
16 2026-08-25 05:43 639232326146508970
489 ms 43.254.19.17
15 2026-08-25 05:27 639232316189381720
248 ms 43.254.19.17
14 2026-08-25 05:10 639232306217998913
262 ms 43.254.19.17
13 2026-08-25 04:53 639232296255744174
492 ms 43.254.19.17
12 2026-08-25 04:37 639232286095760789
250 ms 43.254.19.17
11 2026-08-25 04:20 639232276086186273
196 ms 43.254.19.17
10 2026-08-25 04:03 639232265900986425
245 ms 43.254.19.17
9 2026-08-25 03:46 639232255723518075
492 ms 43.254.19.17
8 2026-08-25 03:29 639232245484452890
491 ms 43.254.19.17
7 2026-08-25 03:12 639232235157175331
491 ms 43.254.19.17
6 2026-08-25 02:18 639232203197189095
248 ms 43.254.19.17
5 2026-08-25 02:01 639232192844564298
225 ms 43.254.19.17
4 2026-08-25 01:44 639232182496008942
488 ms 43.254.19.17
3 2026-08-25 01:27 639232172197053132
254 ms 43.254.19.17
2 2026-08-25 00:33 639232140250307418
490 ms 43.254.19.17
1 2026-08-25 00:17 639232129927860324
491 ms 43.254.19.17