History for ns1.zdns.cn
Domain: zdns.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns1.zdns.cn
ns1.zdns.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 2026-08-26. For this date, NameServerHistory found 53 DNS check records, 53 successful responses, 0 failed responses, and 459 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.zdns.cn.
Records on Selected Date
53
Historical checks stored for this nameserver on selected date
Average Latency
459 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-26 17:30
All timestamps shown in UTC
Latest Resolved IP on Selected Date
203.99.30.242
Most recently resolved hosting IP on selected date
Successful Responses
53
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.zdns.cn
Showing DNS history for 2026-08-26 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 |
|---|---|---|---|---|---|
| 53 | 2026-08-26 17:30 | 639233614446136153 |
|
921 ms | 203.99.30.242 |
| 52 | 2026-08-26 17:13 | 639233603737877581 |
|
822 ms | 203.99.30.242 |
| 51 | 2026-08-26 16:55 | 639233593269224651 |
|
16 ms | 203.99.30.242 |
| 50 | 2026-08-26 16:38 | 639233582635086903 |
|
317 ms | 203.99.30.242 |
| 49 | 2026-08-26 16:20 | 639233572000374575 |
|
15 ms | 203.99.30.242 |
| 48 | 2026-08-26 16:02 | 639233561188633861 |
|
15 ms | 203.99.30.242 |
| 47 | 2026-08-26 15:44 | 639233550544357027 |
|
891 ms | 203.99.30.242 |
| 46 | 2026-08-26 14:50 | 639233517966053117 |
|
739 ms | 203.99.30.242 |
| 45 | 2026-08-26 14:32 | 639233507603253585 |
|
1092 ms | 203.99.30.242 |
| 44 | 2026-08-26 14:15 | 639233497229039167 |
|
314 ms | 203.99.30.242 |
| 43 | 2026-08-26 13:58 | 639233486864546406 |
|
1061 ms | 203.99.30.242 |
| 42 | 2026-08-26 13:40 | 639233476455174682 |
|
71 ms | 203.99.30.242 |
| 41 | 2026-08-26 13:23 | 639233466171592605 |
|
772 ms | 203.99.30.242 |
| 40 | 2026-08-26 13:06 | 639233455747096265 |
|
285 ms | 203.99.30.242 |
| 39 | 2026-08-26 12:49 | 639233445367152284 |
|
1335 ms | 203.99.30.242 |
| 38 | 2026-08-26 12:31 | 639233434974187439 |
|
18 ms | 203.99.30.242 |
| 37 | 2026-08-26 12:14 | 639233424567558554 |
|
122 ms | 203.99.30.242 |
| 36 | 2026-08-26 11:56 | 639233414056832719 |
|
393 ms | 203.99.30.242 |
| 35 | 2026-08-26 11:39 | 639233403515141099 |
|
103 ms | 203.99.30.242 |
| 34 | 2026-08-26 10:44 | 639233370841350248 |
|
19 ms | 203.99.30.242 |
| 33 | 2026-08-26 10:27 | 639233360361507238 |
|
67 ms | 203.99.30.242 |
| 32 | 2026-08-26 10:10 | 639233350067824371 |
|
401 ms | 203.99.30.242 |
| 31 | 2026-08-26 09:52 | 639233339545274518 |
|
399 ms | 203.99.30.242 |
| 30 | 2026-08-26 09:35 | 639233329214918079 |
|
18 ms | 203.99.30.242 |
| 29 | 2026-08-26 09:18 | 639233318749762337 |
|
312 ms | 203.99.30.242 |
| 28 | 2026-08-26 09:00 | 639233308387917838 |
|
1299 ms | 203.99.30.242 |
| 27 | 2026-08-26 08:43 | 639233297961740122 |
|
14 ms | 203.99.30.242 |
| 26 | 2026-08-26 08:25 | 639233287487159094 |
|
714 ms | 203.99.30.242 |
| 25 | 2026-08-26 08:08 | 639233276995531707 |
|
316 ms | 203.99.30.242 |
| 24 | 2026-08-26 07:50 | 639233266521568229 |
|
14 ms | 203.99.30.242 |
| 23 | 2026-08-26 07:33 | 639233256081047431 |
|
113 ms | 203.99.30.242 |
| 22 | 2026-08-26 06:39 | 639233223620132921 |
|
615 ms | 203.99.30.242 |
| 21 | 2026-08-26 06:22 | 639233213287814244 |
|
522 ms | 203.99.30.242 |
| 20 | 2026-08-26 06:04 | 639233202925983161 |
|
318 ms | 203.99.30.242 |
| 19 | 2026-08-26 05:47 | 639233192644780696 |
|
586 ms | 203.99.30.242 |
| 18 | 2026-08-26 05:30 | 639233182401183833 |
|
90 ms | 203.99.30.242 |
| 17 | 2026-08-26 05:13 | 639233172074181051 |
|
347 ms | 203.99.30.242 |
| 16 | 2026-08-26 04:56 | 639233161808421455 |
|
105 ms | 203.99.30.242 |
| 15 | 2026-08-26 04:39 | 639233151357344052 |
|
2623 ms | 203.99.30.242 |
| 14 | 2026-08-26 04:21 | 639233141034116946 |
|
366 ms | 203.99.30.242 |
| 13 | 2026-08-26 04:04 | 639233130828334142 |
|
16 ms | 203.99.30.242 |
| 12 | 2026-08-26 03:47 | 639233120373450007 |
|
859 ms | 203.99.30.242 |
| 11 | 2026-08-26 03:29 | 639233110066216193 |
|
312 ms | 203.99.30.242 |
| 10 | 2026-08-26 02:36 | 639233078065410564 |
|
839 ms | 203.99.30.242 |
| 9 | 2026-08-26 02:19 | 639233067787457832 |
|
79 ms | 203.99.30.242 |
| 8 | 2026-08-26 02:02 | 639233057501801162 |
|
671 ms | 203.99.30.242 |
| 7 | 2026-08-26 01:45 | 639233047089431703 |
|
15 ms | 203.99.30.242 |
| 6 | 2026-08-26 01:27 | 639233036754790688 |
|
101 ms | 203.99.30.242 |
| 5 | 2026-08-26 01:10 | 639233026412602472 |
|
604 ms | 203.99.30.242 |
| 4 | 2026-08-26 00:53 | 639233016064066127 |
|
784 ms | 203.99.30.242 |
| 3 | 2026-08-26 00:36 | 639233005922655772 |
|
15 ms | 203.99.30.242 |
| 2 | 2026-08-26 00:19 | 639232995672256907 |
|
502 ms | 203.99.30.242 |
| 1 | 2026-08-26 00:02 | 639232985300872416 |
|
988 ms | 203.99.30.242 |