History for dns4.zcmu.edu.cn
Domain: zcmu.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns4.zcmu.edu.cn
dns4.zcmu.edu.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 150 DNS check records, 150 successful responses, 0 failed responses, and 1380 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 dns4.zcmu.edu.cn.
Records on Selected Date
150
Historical checks stored for this nameserver on selected date
Average Latency
1380 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-26 21:23
All timestamps shown in UTC
Latest Resolved IP on Selected Date
61.175.198.190
Most recently resolved hosting IP on selected date
Successful Responses
150
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 dns4.zcmu.edu.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 |
|---|---|---|---|---|---|
| 150 | 2026-08-26 21:23 | 639233752543876329 |
|
2013 ms | 61.175.198.190 |
| 149 | 2026-08-26 21:05 | 639233742155931788 |
|
260 ms | 61.175.198.190 |
| 148 | 2026-08-26 20:48 | 639233731712555311 |
|
228 ms | 61.175.198.190 |
| 147 | 2026-08-26 20:31 | 639233721164051126 |
|
848 ms | 61.175.198.190 |
| 146 | 2026-08-26 20:13 | 639233710560486320 |
|
2278 ms | 61.175.198.190 |
| 145 | 2026-08-26 19:55 | 639233699834667450 |
|
2009 ms | 61.175.198.190 |
| 144 | 2026-08-26 19:01 | 639233667209186136 |
|
3991 ms | 61.175.198.190 |
| 143 | 2026-08-26 18:43 | 639233656814316266 |
|
4331 ms | 61.175.198.190 |
| 142 | 2026-08-26 18:26 | 639233646245051806 |
|
4313 ms | 61.175.198.190 |
| 141 | 2026-08-26 18:08 | 639233635663779051 |
|
2309 ms | 61.175.198.190 |
| 140 | 2026-08-26 17:51 | 639233624977342122 |
|
259 ms | 61.175.198.190 |
| 139 | 2026-08-26 17:33 | 639233614446136153 |
|
257 ms | 61.175.198.190 |
| 138 | 2026-08-26 17:15 | 639233603737877581 |
|
3313 ms | 61.175.198.190 |
| 137 | 2026-08-26 16:57 | 639233593269224651 |
|
751 ms | 61.175.198.190 |
| 136 | 2026-08-26 16:40 | 639233582635086903 |
|
746 ms | 61.175.198.190 |
| 135 | 2026-08-26 16:22 | 639233572000374575 |
|
1929 ms | 61.175.198.190 |
| 134 | 2026-08-26 16:04 | 639233561188633861 |
|
1588 ms | 61.175.198.190 |
| 133 | 2026-08-26 15:47 | 639233550544357027 |
|
4312 ms | 61.175.198.190 |
| 132 | 2026-08-26 14:52 | 639233517966053117 |
|
666 ms | 61.175.198.190 |
| 131 | 2026-08-26 14:34 | 639233507603253585 |
|
769 ms | 61.175.198.190 |
| 130 | 2026-08-26 14:17 | 639233497229039167 |
|
2032 ms | 192.168.99.16 |
| 129 | 2026-08-26 14:17 | 639233497229039167 |
|
2032 ms | 61.175.198.190 |
| 128 | 2026-08-26 14:17 | 639233497229039167 |
|
2032 ms | 10.100.1.44 |
| 127 | 2026-08-26 14:00 | 639233486864546406 |
|
1983 ms | 61.175.198.190 |
| 126 | 2026-08-26 13:43 | 639233476455174682 |
|
1595 ms | 192.168.99.16 |
| 125 | 2026-08-26 13:43 | 639233476455174682 |
|
1595 ms | 61.175.198.190 |
| 124 | 2026-08-26 13:43 | 639233476455174682 |
|
1595 ms | 10.100.1.44 |
| 123 | 2026-08-26 13:25 | 639233466171592605 |
|
4316 ms | 192.168.99.16 |
| 122 | 2026-08-26 13:25 | 639233466171592605 |
|
4316 ms | 10.100.1.44 |
| 121 | 2026-08-26 13:25 | 639233466171592605 |
|
4316 ms | 61.175.198.190 |
| 120 | 2026-08-26 13:08 | 639233455747096265 |
|
612 ms | 61.175.198.190 |
| 119 | 2026-08-26 13:08 | 639233455747096265 |
|
612 ms | 10.100.1.44 |
| 118 | 2026-08-26 13:08 | 639233455747096265 |
|
612 ms | 192.168.99.16 |
| 117 | 2026-08-26 12:51 | 639233445367152284 |
|
262 ms | 192.168.99.16 |
| 116 | 2026-08-26 12:51 | 639233445367152284 |
|
262 ms | 61.175.198.190 |
| 115 | 2026-08-26 12:51 | 639233445367152284 |
|
262 ms | 10.100.1.44 |
| 114 | 2026-08-26 12:33 | 639233434974187439 |
|
1481 ms | 192.168.99.16 |
| 113 | 2026-08-26 12:33 | 639233434974187439 |
|
1481 ms | 61.175.198.190 |
| 112 | 2026-08-26 12:33 | 639233434974187439 |
|
1481 ms | 10.100.1.44 |
| 111 | 2026-08-26 12:16 | 639233424567558554 |
|
263 ms | 10.100.1.44 |
| 110 | 2026-08-26 12:16 | 639233424567558554 |
|
263 ms | 61.175.198.190 |
| 109 | 2026-08-26 12:16 | 639233424567558554 |
|
263 ms | 192.168.99.16 |
| 108 | 2026-08-26 11:59 | 639233414056832719 |
|
1060 ms | 10.100.1.44 |
| 107 | 2026-08-26 11:59 | 639233414056832719 |
|
1060 ms | 61.175.198.190 |
| 106 | 2026-08-26 11:59 | 639233414056832719 |
|
1060 ms | 192.168.99.16 |
| 105 | 2026-08-26 11:41 | 639233403515141099 |
|
5322 ms | 10.100.1.44 |
| 104 | 2026-08-26 11:41 | 639233403515141099 |
|
5322 ms | 192.168.99.16 |
| 103 | 2026-08-26 11:41 | 639233403515141099 |
|
5322 ms | 61.175.198.190 |
| 102 | 2026-08-26 10:46 | 639233370841350248 |
|
261 ms | 10.100.1.44 |
| 101 | 2026-08-26 10:46 | 639233370841350248 |
|
261 ms | 192.168.99.16 |
| 100 | 2026-08-26 10:46 | 639233370841350248 |
|
261 ms | 61.175.198.190 |
| 99 | 2026-08-26 10:29 | 639233360361507238 |
|
262 ms | 10.100.1.44 |
| 98 | 2026-08-26 10:29 | 639233360361507238 |
|
262 ms | 192.168.99.16 |
| 97 | 2026-08-26 10:29 | 639233360361507238 |
|
262 ms | 61.175.198.190 |
| 96 | 2026-08-26 10:12 | 639233350067824371 |
|
1755 ms | 10.100.1.44 |
| 95 | 2026-08-26 10:12 | 639233350067824371 |
|
1755 ms | 61.175.198.190 |
| 94 | 2026-08-26 10:12 | 639233350067824371 |
|
1755 ms | 192.168.99.16 |
| 93 | 2026-08-26 09:55 | 639233339545274518 |
|
4308 ms | 192.168.99.16 |
| 92 | 2026-08-26 09:55 | 639233339545274518 |
|
4308 ms | 61.175.198.190 |
| 91 | 2026-08-26 09:55 | 639233339545274518 |
|
4308 ms | 10.100.1.44 |
| 90 | 2026-08-26 09:37 | 639233329214918079 |
|
254 ms | 61.175.198.190 |
| 89 | 2026-08-26 09:37 | 639233329214918079 |
|
254 ms | 10.100.1.44 |
| 88 | 2026-08-26 09:37 | 639233329214918079 |
|
254 ms | 192.168.99.16 |
| 87 | 2026-08-26 09:20 | 639233318749762337 |
|
288 ms | 10.100.1.44 |
| 86 | 2026-08-26 09:20 | 639233318749762337 |
|
288 ms | 192.168.99.16 |
| 85 | 2026-08-26 09:20 | 639233318749762337 |
|
288 ms | 61.175.198.190 |
| 84 | 2026-08-26 09:02 | 639233308387917838 |
|
2032 ms | 10.100.1.44 |
| 83 | 2026-08-26 09:02 | 639233308387917838 |
|
2032 ms | 192.168.99.16 |
| 82 | 2026-08-26 09:02 | 639233308387917838 |
|
2032 ms | 61.175.198.190 |
| 81 | 2026-08-26 08:45 | 639233297961740122 |
|
1631 ms | 10.100.1.44 |
| 80 | 2026-08-26 08:45 | 639233297961740122 |
|
1631 ms | 192.168.99.16 |
| 79 | 2026-08-26 08:45 | 639233297961740122 |
|
1631 ms | 61.175.198.190 |
| 78 | 2026-08-26 08:28 | 639233287487159094 |
|
1766 ms | 61.175.198.190 |
| 77 | 2026-08-26 08:28 | 639233287487159094 |
|
1766 ms | 10.100.1.44 |
| 76 | 2026-08-26 08:28 | 639233287487159094 |
|
1766 ms | 192.168.99.16 |
| 75 | 2026-08-26 08:10 | 639233276995531707 |
|
263 ms | 192.168.99.16 |
| 74 | 2026-08-26 08:10 | 639233276995531707 |
|
263 ms | 10.100.1.44 |
| 73 | 2026-08-26 08:10 | 639233276995531707 |
|
263 ms | 61.175.198.190 |
| 72 | 2026-08-26 07:53 | 639233266521568229 |
|
279 ms | 61.175.198.190 |
| 71 | 2026-08-26 07:53 | 639233266521568229 |
|
279 ms | 192.168.99.16 |
| 70 | 2026-08-26 07:53 | 639233266521568229 |
|
279 ms | 10.100.1.44 |
| 69 | 2026-08-26 07:35 | 639233256081047431 |
|
1079 ms | 61.175.198.190 |
| 68 | 2026-08-26 07:35 | 639233256081047431 |
|
1079 ms | 10.100.1.44 |
| 67 | 2026-08-26 07:35 | 639233256081047431 |
|
1079 ms | 192.168.99.16 |
| 66 | 2026-08-26 06:41 | 639233223620132921 |
|
5 ms | 61.175.198.190 |
| 65 | 2026-08-26 06:41 | 639233223620132921 |
|
5 ms | 10.100.1.44 |
| 64 | 2026-08-26 06:41 | 639233223620132921 |
|
5 ms | 192.168.99.16 |
| 63 | 2026-08-26 06:24 | 639233213287814244 |
|
274 ms | 61.175.198.190 |
| 62 | 2026-08-26 06:24 | 639233213287814244 |
|
274 ms | 10.100.1.44 |
| 61 | 2026-08-26 06:24 | 639233213287814244 |
|
274 ms | 192.168.99.16 |
| 60 | 2026-08-26 06:07 | 639233202925983161 |
|
4307 ms | 192.168.99.16 |
| 59 | 2026-08-26 06:07 | 639233202925983161 |
|
4307 ms | 10.100.1.44 |
| 58 | 2026-08-26 06:07 | 639233202925983161 |
|
4307 ms | 61.175.198.190 |
| 57 | 2026-08-26 05:49 | 639233192644780696 |
|
254 ms | 192.168.99.16 |
| 56 | 2026-08-26 05:49 | 639233192644780696 |
|
254 ms | 10.100.1.44 |
| 55 | 2026-08-26 05:49 | 639233192644780696 |
|
254 ms | 61.175.198.190 |
| 54 | 2026-08-26 05:32 | 639233182401183833 |
|
262 ms | 192.168.99.16 |
| 53 | 2026-08-26 05:32 | 639233182401183833 |
|
262 ms | 10.100.1.44 |
| 52 | 2026-08-26 05:32 | 639233182401183833 |
|
262 ms | 61.175.198.190 |
| 51 | 2026-08-26 05:15 | 639233172074181051 |
|
2314 ms | 61.175.198.190 |
| 50 | 2026-08-26 05:15 | 639233172074181051 |
|
2314 ms | 192.168.99.16 |
| 49 | 2026-08-26 05:15 | 639233172074181051 |
|
2314 ms | 10.100.1.44 |
| 48 | 2026-08-26 04:58 | 639233161808421455 |
|
1949 ms | 192.168.99.16 |
| 47 | 2026-08-26 04:58 | 639233161808421455 |
|
1949 ms | 61.175.198.190 |
| 46 | 2026-08-26 04:58 | 639233161808421455 |
|
1949 ms | 10.100.1.44 |
| 45 | 2026-08-26 04:41 | 639233151357344052 |
|
1352 ms | 61.175.198.190 |
| 44 | 2026-08-26 04:41 | 639233151357344052 |
|
1352 ms | 10.100.1.44 |
| 43 | 2026-08-26 04:41 | 639233151357344052 |
|
1352 ms | 192.168.99.16 |
| 42 | 2026-08-26 04:23 | 639233141034116946 |
|
257 ms | 10.100.1.44 |
| 41 | 2026-08-26 04:23 | 639233141034116946 |
|
257 ms | 61.175.198.190 |
| 40 | 2026-08-26 04:23 | 639233141034116946 |
|
257 ms | 192.168.99.16 |
| 39 | 2026-08-26 04:06 | 639233130828334142 |
|
1474 ms | 61.175.198.190 |
| 38 | 2026-08-26 04:06 | 639233130828334142 |
|
1474 ms | 10.100.1.44 |
| 37 | 2026-08-26 04:06 | 639233130828334142 |
|
1474 ms | 192.168.99.16 |
| 36 | 2026-08-26 03:49 | 639233120373450007 |
|
255 ms | 61.175.198.190 |
| 35 | 2026-08-26 03:49 | 639233120373450007 |
|
255 ms | 10.100.1.44 |
| 34 | 2026-08-26 03:49 | 639233120373450007 |
|
255 ms | 192.168.99.16 |
| 33 | 2026-08-26 03:32 | 639233110066216193 |
|
1542 ms | 10.100.1.44 |
| 32 | 2026-08-26 03:32 | 639233110066216193 |
|
1542 ms | 61.175.198.190 |
| 31 | 2026-08-26 03:32 | 639233110066216193 |
|
1542 ms | 192.168.99.16 |
| 30 | 2026-08-26 02:38 | 639233078065410564 |
|
1078 ms | 61.175.198.190 |
| 29 | 2026-08-26 02:38 | 639233078065410564 |
|
1078 ms | 192.168.99.16 |
| 28 | 2026-08-26 02:38 | 639233078065410564 |
|
1078 ms | 10.100.1.44 |
| 27 | 2026-08-26 02:21 | 639233067787457832 |
|
4 ms | 192.168.99.16 |
| 26 | 2026-08-26 02:21 | 639233067787457832 |
|
4 ms | 10.100.1.44 |
| 25 | 2026-08-26 02:21 | 639233067787457832 |
|
4 ms | 61.175.198.190 |
| 24 | 2026-08-26 02:04 | 639233057501801162 |
|
259 ms | 192.168.99.16 |
| 23 | 2026-08-26 02:04 | 639233057501801162 |
|
259 ms | 10.100.1.44 |
| 22 | 2026-08-26 02:04 | 639233057501801162 |
|
259 ms | 61.175.198.190 |
| 21 | 2026-08-26 01:47 | 639233047089431703 |
|
1473 ms | 192.168.99.16 |
| 20 | 2026-08-26 01:47 | 639233047089431703 |
|
1473 ms | 61.175.198.190 |
| 19 | 2026-08-26 01:47 | 639233047089431703 |
|
1473 ms | 10.100.1.44 |
| 18 | 2026-08-26 01:30 | 639233036754790688 |
|
1322 ms | 192.168.99.16 |
| 17 | 2026-08-26 01:30 | 639233036754790688 |
|
1322 ms | 10.100.1.44 |
| 16 | 2026-08-26 01:30 | 639233036754790688 |
|
1322 ms | 61.175.198.190 |
| 15 | 2026-08-26 01:12 | 639233026412602472 |
|
257 ms | 61.175.198.190 |
| 14 | 2026-08-26 01:12 | 639233026412602472 |
|
257 ms | 192.168.99.16 |
| 13 | 2026-08-26 01:12 | 639233026412602472 |
|
257 ms | 10.100.1.44 |
| 12 | 2026-08-26 00:55 | 639233016064066127 |
|
1940 ms | 10.100.1.44 |
| 11 | 2026-08-26 00:55 | 639233016064066127 |
|
1940 ms | 61.175.198.190 |
| 10 | 2026-08-26 00:55 | 639233016064066127 |
|
1940 ms | 192.168.99.16 |
| 9 | 2026-08-26 00:38 | 639233005922655772 |
|
1061 ms | 192.168.99.16 |
| 8 | 2026-08-26 00:38 | 639233005922655772 |
|
1061 ms | 61.175.198.190 |
| 7 | 2026-08-26 00:38 | 639233005922655772 |
|
1061 ms | 10.100.1.44 |
| 6 | 2026-08-26 00:21 | 639232995672256907 |
|
1570 ms | 10.100.1.44 |
| 5 | 2026-08-26 00:21 | 639232995672256907 |
|
1570 ms | 192.168.99.16 |
| 4 | 2026-08-26 00:21 | 639232995672256907 |
|
1570 ms | 61.175.198.190 |
| 3 | 2026-08-26 00:04 | 639232985300872416 |
|
1595 ms | 10.100.1.44 |
| 2 | 2026-08-26 00:04 | 639232985300872416 |
|
1595 ms | 61.175.198.190 |
| 1 | 2026-08-26 00:04 | 639232985300872416 |
|
1595 ms | 192.168.99.16 |