History for ns.open.ha.cn
Domain: open.ha.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns.open.ha.cn
ns.open.ha.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 41 DNS check records, 29 successful responses, 12 failed responses, and 2971 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.open.ha.cn.
Records on Selected Date
41
Historical checks stored for this nameserver on selected date
Average Latency
2971 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 13:54
All timestamps shown in UTC
Latest Resolved IP on Selected Date
218.28.34.2
Most recently resolved hosting IP on selected date
Successful Responses
29
Checks that returned a measurable response
Failed Responses
12
Checks with no response or no returned latency
Failure Rate
29%
Based on the selected date history
Selected Date Status
Responsive
At least one successful response exists on selected date
History for ns.open.ha.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 |
|---|---|---|---|---|---|
| 41 | 2026-08-25 13:54 | 639232618360728578 |
|
- | |
| 40 | 2026-08-25 13:37 | 639232608016476376 |
|
4818 ms | 218.28.34.2 |
| 39 | 2026-08-25 13:19 | 639232597643611557 |
|
3078 ms | 218.28.34.2 |
| 38 | 2026-08-25 13:02 | 639232587225721862 |
|
2385 ms | 218.28.34.2 |
| 37 | 2026-08-25 12:45 | 639232576780683689 |
|
- | |
| 36 | 2026-08-25 12:27 | 639232566381512620 |
|
- | |
| 35 | 2026-08-25 12:10 | 639232556111768563 |
|
1311 ms | 218.28.34.2 |
| 34 | 2026-08-25 11:53 | 639232545839529039 |
|
- | |
| 33 | 2026-08-25 11:36 | 639232535349285207 |
|
3797 ms | 218.28.34.2 |
| 32 | 2026-08-25 11:18 | 639232524938080723 |
|
4948 ms | 218.28.34.2 |
| 31 | 2026-08-25 10:24 | 639232492740373468 |
|
1779 ms | 218.28.34.2 |
| 30 | 2026-08-25 10:07 | 639232482235303141 |
|
2955 ms | 218.28.34.2 |
| 29 | 2026-08-25 09:50 | 639232471861770303 |
|
2407 ms | 218.28.34.2 |
| 28 | 2026-08-25 09:32 | 639232461630217327 |
|
2313 ms | 218.28.34.2 |
| 27 | 2026-08-25 09:15 | 639232451282965990 |
|
3784 ms | 218.28.34.2 |
| 26 | 2026-08-25 08:58 | 639232440814614938 |
|
- | |
| 25 | 2026-08-25 08:41 | 639232430410720425 |
|
2562 ms | 218.28.34.2 |
| 24 | 2026-08-25 08:23 | 639232420003096185 |
|
2395 ms | 218.28.34.2 |
| 23 | 2026-08-25 08:06 | 639232409467287444 |
|
- | |
| 22 | 2026-08-25 07:48 | 639232399077195997 |
|
4866 ms | 218.28.34.2 |
| 21 | 2026-08-25 07:31 | 639232388731528337 |
|
2528 ms | 218.28.34.2 |
| 20 | 2026-08-25 07:14 | 639232378288598612 |
|
2404 ms | 218.28.34.2 |
| 19 | 2026-08-25 06:20 | 639232346196373643 |
|
4246 ms | 218.28.34.2 |
| 18 | 2026-08-25 06:03 | 639232336112370741 |
|
- | |
| 17 | 2026-08-25 05:46 | 639232326146508970 |
|
4333 ms | 218.28.34.2 |
| 16 | 2026-08-25 05:29 | 639232316189381720 |
|
3802 ms | 218.28.34.2 |
| 15 | 2026-08-25 05:13 | 639232306217998913 |
|
- | |
| 14 | 2026-08-25 04:56 | 639232296255744174 |
|
4331 ms | 218.28.34.2 |
| 13 | 2026-08-25 04:40 | 639232286095760789 |
|
1767 ms | 218.28.34.2 |
| 12 | 2026-08-25 04:23 | 639232276086186273 |
|
1758 ms | 218.28.34.2 |
| 11 | 2026-08-25 04:06 | 639232265900986425 |
|
2412 ms | 218.28.34.2 |
| 10 | 2026-08-25 03:49 | 639232255723518075 |
|
1811 ms | 218.28.34.2 |
| 9 | 2026-08-25 03:32 | 639232245484452890 |
|
1758 ms | 218.28.34.2 |
| 8 | 2026-08-25 03:15 | 639232235157175331 |
|
- | |
| 7 | 2026-08-25 02:21 | 639232203197189095 |
|
4331 ms | 218.28.34.2 |
| 6 | 2026-08-25 02:04 | 639232192844564298 |
|
2286 ms | 218.28.34.2 |
| 5 | 2026-08-25 01:47 | 639232182496008942 |
|
- | |
| 4 | 2026-08-25 01:30 | 639232172197053132 |
|
2743 ms | 218.28.34.2 |
| 3 | 2026-08-25 00:36 | 639232140250307418 |
|
- | |
| 2 | 2026-08-25 00:20 | 639232129927860324 |
|
2248 ms | 218.28.34.2 |
| 1 | 2026-08-25 00:02 | 639232119551972438 |
|
- |