History for ns4.20cn.com
Domain: 20cn.com • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns4.20cn.com
ns4.20cn.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 41 DNS check records, 41 successful responses, 0 failed responses, and 361 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 ns4.20cn.com.
Records on Selected Date
41
Historical checks stored for this nameserver on selected date
Average Latency
361 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 14:06
All timestamps shown in UTC
Latest Resolved IP on Selected Date
47.57.186.85
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 ns4.20cn.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 |
|---|---|---|---|---|---|
| 41 | 2026-08-25 14:06 | 639232628614783237 |
|
173 ms | 47.57.186.85 |
| 40 | 2026-08-25 13:49 | 639232618360728578 |
|
329 ms | 47.57.186.85 |
| 39 | 2026-08-25 13:31 | 639232608016476376 |
|
175 ms | 47.57.186.85 |
| 38 | 2026-08-25 13:14 | 639232597643611557 |
|
164 ms | 47.57.186.85 |
| 37 | 2026-08-25 12:57 | 639232587225721862 |
|
464 ms | 47.57.186.85 |
| 36 | 2026-08-25 12:39 | 639232576780683689 |
|
160 ms | 47.57.186.85 |
| 35 | 2026-08-25 12:22 | 639232566381512620 |
|
162 ms | 47.57.186.85 |
| 34 | 2026-08-25 12:05 | 639232556111768563 |
|
331 ms | 47.57.186.85 |
| 33 | 2026-08-25 11:48 | 639232545839529039 |
|
164 ms | 47.57.186.85 |
| 32 | 2026-08-25 11:30 | 639232535349285207 |
|
321 ms | 47.57.186.85 |
| 31 | 2026-08-25 11:13 | 639232524938080723 |
|
158 ms | 47.57.186.85 |
| 30 | 2026-08-25 10:19 | 639232492740373468 |
|
179 ms | 47.57.186.85 |
| 29 | 2026-08-25 10:02 | 639232482235303141 |
|
158 ms | 47.57.186.85 |
| 28 | 2026-08-25 09:44 | 639232471861770303 |
|
320 ms | 47.57.186.85 |
| 27 | 2026-08-25 09:27 | 639232461630217327 |
|
177 ms | 47.57.186.85 |
| 26 | 2026-08-25 09:10 | 639232451282965990 |
|
318 ms | 47.57.186.85 |
| 25 | 2026-08-25 08:53 | 639232440814614938 |
|
314 ms | 47.57.186.85 |
| 24 | 2026-08-25 08:35 | 639232430410720425 |
|
4 ms | 47.57.186.85 |
| 23 | 2026-08-25 08:18 | 639232420003096185 |
|
167 ms | 47.57.186.85 |
| 22 | 2026-08-25 08:01 | 639232409467287444 |
|
157 ms | 47.57.186.85 |
| 21 | 2026-08-25 07:43 | 639232399077195997 |
|
311 ms | 47.57.186.85 |
| 20 | 2026-08-25 07:26 | 639232388731528337 |
|
162 ms | 47.57.186.85 |
| 19 | 2026-08-25 07:08 | 639232378288598612 |
|
324 ms | 47.57.186.85 |
| 18 | 2026-08-25 06:15 | 639232346196373643 |
|
2015 ms | 47.57.186.85 |
| 17 | 2026-08-25 05:58 | 639232336112370741 |
|
168 ms | 47.57.186.85 |
| 16 | 2026-08-25 05:41 | 639232326146508970 |
|
469 ms | 47.57.186.85 |
| 15 | 2026-08-25 05:25 | 639232316189381720 |
|
3 ms | 47.57.186.85 |
| 14 | 2026-08-25 05:08 | 639232306217998913 |
|
2175 ms | 47.57.186.85 |
| 13 | 2026-08-25 04:51 | 639232296255744174 |
|
166 ms | 47.57.186.85 |
| 12 | 2026-08-25 04:35 | 639232286095760789 |
|
163 ms | 47.57.186.85 |
| 11 | 2026-08-25 04:18 | 639232276086186273 |
|
169 ms | 47.57.186.85 |
| 10 | 2026-08-25 04:01 | 639232265900986425 |
|
2180 ms | 47.57.186.85 |
| 9 | 2026-08-25 03:44 | 639232255723518075 |
|
324 ms | 47.57.186.85 |
| 8 | 2026-08-25 03:27 | 639232245484452890 |
|
158 ms | 47.57.186.85 |
| 7 | 2026-08-25 03:10 | 639232235157175331 |
|
317 ms | 47.57.186.85 |
| 6 | 2026-08-25 02:17 | 639232203197189095 |
|
160 ms | 47.57.186.85 |
| 5 | 2026-08-25 01:59 | 639232192844564298 |
|
156 ms | 47.57.186.85 |
| 4 | 2026-08-25 01:42 | 639232182496008942 |
|
159 ms | 47.57.186.85 |
| 3 | 2026-08-25 01:25 | 639232172197053132 |
|
322 ms | 47.57.186.85 |
| 2 | 2026-08-25 00:32 | 639232140250307418 |
|
318 ms | 47.57.186.85 |
| 1 | 2026-08-25 00:15 | 639232129927860324 |
|
207 ms | 47.57.186.85 |