History for ns2.cnann.cn
Domain: cnann.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns2.cnann.cn
ns2.cnann.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 140 DNS check records, 140 successful responses, 0 failed responses, and 1249 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 ns2.cnann.cn.
Records on Selected Date
140
Historical checks stored for this nameserver on selected date
Average Latency
1249 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-26 23:06
All timestamps shown in UTC
Latest Resolved IP on Selected Date
61.172.183.73
Most recently resolved hosting IP on selected date
Successful Responses
140
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 ns2.cnann.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 |
|---|---|---|---|---|---|
| 140 | 2026-08-26 23:06 | 639233814527872887 |
|
1296 ms | 61.172.183.73 |
| 139 | 2026-08-26 23:06 | 639233814527872887 |
|
1296 ms | 211.149.230.100 |
| 138 | 2026-08-26 22:49 | 639233804315489381 |
|
1242 ms | 61.172.183.73 |
| 137 | 2026-08-26 22:49 | 639233804315489381 |
|
1242 ms | 211.149.230.100 |
| 136 | 2026-08-26 22:32 | 639233793971346256 |
|
708 ms | 61.172.183.73 |
| 135 | 2026-08-26 22:32 | 639233793971346256 |
|
708 ms | 211.149.230.100 |
| 134 | 2026-08-26 22:15 | 639233783644630463 |
|
718 ms | 211.149.230.100 |
| 133 | 2026-08-26 22:15 | 639233783644630463 |
|
718 ms | 61.172.183.73 |
| 132 | 2026-08-26 21:57 | 639233773302621314 |
|
1307 ms | 61.172.183.73 |
| 131 | 2026-08-26 21:57 | 639233773302621314 |
|
1307 ms | 211.149.230.100 |
| 130 | 2026-08-26 21:40 | 639233762896723748 |
|
624 ms | 61.172.183.73 |
| 129 | 2026-08-26 21:40 | 639233762896723748 |
|
624 ms | 211.149.230.100 |
| 128 | 2026-08-26 21:23 | 639233752543876329 |
|
704 ms | 211.149.230.100 |
| 127 | 2026-08-26 21:23 | 639233752543876329 |
|
704 ms | 61.172.183.73 |
| 126 | 2026-08-26 21:06 | 639233742155931788 |
|
1080 ms | 211.149.230.100 |
| 125 | 2026-08-26 21:06 | 639233742155931788 |
|
1080 ms | 61.172.183.73 |
| 124 | 2026-08-26 20:48 | 639233731712555311 |
|
1335 ms | 211.149.230.100 |
| 123 | 2026-08-26 20:48 | 639233731712555311 |
|
1335 ms | 61.172.183.73 |
| 122 | 2026-08-26 20:31 | 639233721164051126 |
|
1198 ms | 211.149.230.100 |
| 121 | 2026-08-26 20:31 | 639233721164051126 |
|
1198 ms | 61.172.183.73 |
| 120 | 2026-08-26 20:13 | 639233710560486320 |
|
1139 ms | 61.172.183.73 |
| 119 | 2026-08-26 20:13 | 639233710560486320 |
|
1139 ms | 211.149.230.100 |
| 118 | 2026-08-26 19:55 | 639233699834667450 |
|
976 ms | 61.172.183.73 |
| 117 | 2026-08-26 19:55 | 639233699834667450 |
|
976 ms | 211.149.230.100 |
| 116 | 2026-08-26 19:01 | 639233667209186136 |
|
640 ms | 61.172.183.73 |
| 115 | 2026-08-26 19:01 | 639233667209186136 |
|
640 ms | 211.149.230.100 |
| 114 | 2026-08-26 18:43 | 639233656814316266 |
|
910 ms | 211.149.230.100 |
| 113 | 2026-08-26 18:43 | 639233656814316266 |
|
910 ms | 61.172.183.73 |
| 112 | 2026-08-26 18:26 | 639233646245051806 |
|
1070 ms | 61.172.183.73 |
| 111 | 2026-08-26 18:26 | 639233646245051806 |
|
1070 ms | 211.149.230.100 |
| 110 | 2026-08-26 18:08 | 639233635663779051 |
|
1228 ms | 211.149.230.100 |
| 109 | 2026-08-26 18:08 | 639233635663779051 |
|
1228 ms | 61.172.183.73 |
| 108 | 2026-08-26 17:51 | 639233624977342122 |
|
897 ms | 211.149.230.100 |
| 107 | 2026-08-26 17:51 | 639233624977342122 |
|
897 ms | 61.172.183.73 |
| 106 | 2026-08-26 17:33 | 639233614446136153 |
|
1135 ms | 61.172.183.73 |
| 105 | 2026-08-26 17:33 | 639233614446136153 |
|
1135 ms | 211.149.230.100 |
| 104 | 2026-08-26 17:15 | 639233603737877581 |
|
878 ms | 61.172.183.73 |
| 103 | 2026-08-26 17:15 | 639233603737877581 |
|
878 ms | 211.149.230.100 |
| 102 | 2026-08-26 16:58 | 639233593269224651 |
|
1417 ms | 61.172.183.73 |
| 101 | 2026-08-26 16:58 | 639233593269224651 |
|
1417 ms | 211.149.230.100 |
| 100 | 2026-08-26 16:40 | 639233582635086903 |
|
1217 ms | 211.149.230.100 |
| 99 | 2026-08-26 16:40 | 639233582635086903 |
|
1217 ms | 61.172.183.73 |
| 98 | 2026-08-26 16:22 | 639233572000374575 |
|
2855 ms | 61.172.183.73 |
| 97 | 2026-08-26 16:22 | 639233572000374575 |
|
2855 ms | 211.149.230.100 |
| 96 | 2026-08-26 16:04 | 639233561188633861 |
|
1989 ms | 61.172.183.73 |
| 95 | 2026-08-26 16:04 | 639233561188633861 |
|
1989 ms | 211.149.230.100 |
| 94 | 2026-08-26 15:47 | 639233550544357027 |
|
2572 ms | 211.149.230.100 |
| 93 | 2026-08-26 15:47 | 639233550544357027 |
|
2572 ms | 61.172.183.73 |
| 92 | 2026-08-26 14:52 | 639233517966053117 |
|
729 ms | 211.149.230.100 |
| 91 | 2026-08-26 14:52 | 639233517966053117 |
|
729 ms | 61.172.183.73 |
| 90 | 2026-08-26 14:35 | 639233507603253585 |
|
1125 ms | 61.172.183.73 |
| 89 | 2026-08-26 14:35 | 639233507603253585 |
|
1125 ms | 211.149.230.100 |
| 88 | 2026-08-26 14:17 | 639233497229039167 |
|
1339 ms | 211.149.230.100 |
| 87 | 2026-08-26 14:17 | 639233497229039167 |
|
1339 ms | 61.172.183.73 |
| 86 | 2026-08-26 14:00 | 639233486864546406 |
|
728 ms | 61.172.183.73 |
| 85 | 2026-08-26 14:00 | 639233486864546406 |
|
728 ms | 211.149.230.100 |
| 84 | 2026-08-26 13:43 | 639233476455174682 |
|
1209 ms | 211.149.230.100 |
| 83 | 2026-08-26 13:43 | 639233476455174682 |
|
1209 ms | 61.172.183.73 |
| 82 | 2026-08-26 13:25 | 639233466171592605 |
|
3952 ms | 61.172.183.73 |
| 81 | 2026-08-26 13:25 | 639233466171592605 |
|
3952 ms | 211.149.230.100 |
| 80 | 2026-08-26 13:08 | 639233455747096265 |
|
1455 ms | 61.172.183.73 |
| 79 | 2026-08-26 13:08 | 639233455747096265 |
|
1455 ms | 211.149.230.100 |
| 78 | 2026-08-26 12:51 | 639233445367152284 |
|
2768 ms | 211.149.230.100 |
| 77 | 2026-08-26 12:51 | 639233445367152284 |
|
2768 ms | 61.172.183.73 |
| 76 | 2026-08-26 12:34 | 639233434974187439 |
|
1235 ms | 61.172.183.73 |
| 75 | 2026-08-26 12:34 | 639233434974187439 |
|
1235 ms | 211.149.230.100 |
| 74 | 2026-08-26 12:16 | 639233424567558554 |
|
1151 ms | 61.172.183.73 |
| 73 | 2026-08-26 12:16 | 639233424567558554 |
|
1151 ms | 211.149.230.100 |
| 72 | 2026-08-26 11:59 | 639233414056832719 |
|
759 ms | 61.172.183.73 |
| 71 | 2026-08-26 11:59 | 639233414056832719 |
|
759 ms | 211.149.230.100 |
| 70 | 2026-08-26 11:41 | 639233403515141099 |
|
878 ms | 211.149.230.100 |
| 69 | 2026-08-26 11:41 | 639233403515141099 |
|
878 ms | 61.172.183.73 |
| 68 | 2026-08-26 10:47 | 639233370841350248 |
|
1387 ms | 211.149.230.100 |
| 67 | 2026-08-26 10:47 | 639233370841350248 |
|
1387 ms | 61.172.183.73 |
| 66 | 2026-08-26 10:29 | 639233360361507238 |
|
1233 ms | 61.172.183.73 |
| 65 | 2026-08-26 10:29 | 639233360361507238 |
|
1233 ms | 211.149.230.100 |
| 64 | 2026-08-26 10:12 | 639233350067824371 |
|
882 ms | 211.149.230.100 |
| 63 | 2026-08-26 10:12 | 639233350067824371 |
|
882 ms | 61.172.183.73 |
| 62 | 2026-08-26 09:55 | 639233339545274518 |
|
1462 ms | 61.172.183.73 |
| 61 | 2026-08-26 09:55 | 639233339545274518 |
|
1462 ms | 211.149.230.100 |
| 60 | 2026-08-26 09:37 | 639233329214918079 |
|
1229 ms | 211.149.230.100 |
| 59 | 2026-08-26 09:37 | 639233329214918079 |
|
1229 ms | 61.172.183.73 |
| 58 | 2026-08-26 09:20 | 639233318749762337 |
|
1817 ms | 211.149.230.100 |
| 57 | 2026-08-26 09:20 | 639233318749762337 |
|
1817 ms | 61.172.183.73 |
| 56 | 2026-08-26 09:02 | 639233308387917838 |
|
1014 ms | 61.172.183.73 |
| 55 | 2026-08-26 09:02 | 639233308387917838 |
|
1014 ms | 211.149.230.100 |
| 54 | 2026-08-26 08:45 | 639233297961740122 |
|
816 ms | 211.149.230.100 |
| 53 | 2026-08-26 08:45 | 639233297961740122 |
|
816 ms | 61.172.183.73 |
| 52 | 2026-08-26 08:28 | 639233287487159094 |
|
914 ms | 61.172.183.73 |
| 51 | 2026-08-26 08:28 | 639233287487159094 |
|
914 ms | 211.149.230.100 |
| 50 | 2026-08-26 08:10 | 639233276995531707 |
|
1124 ms | 211.149.230.100 |
| 49 | 2026-08-26 08:10 | 639233276995531707 |
|
1124 ms | 61.172.183.73 |
| 48 | 2026-08-26 07:53 | 639233266521568229 |
|
2721 ms | 61.172.183.73 |
| 47 | 2026-08-26 07:53 | 639233266521568229 |
|
2721 ms | 211.149.230.100 |
| 46 | 2026-08-26 07:35 | 639233256081047431 |
|
915 ms | 211.149.230.100 |
| 45 | 2026-08-26 07:35 | 639233256081047431 |
|
915 ms | 61.172.183.73 |
| 44 | 2026-08-26 06:41 | 639233223620132921 |
|
1310 ms | 211.149.230.100 |
| 43 | 2026-08-26 06:41 | 639233223620132921 |
|
1310 ms | 61.172.183.73 |
| 42 | 2026-08-26 06:24 | 639233213287814244 |
|
1619 ms | 61.172.183.73 |
| 41 | 2026-08-26 06:24 | 639233213287814244 |
|
1619 ms | 211.149.230.100 |
| 40 | 2026-08-26 06:07 | 639233202925983161 |
|
1020 ms | 61.172.183.73 |
| 39 | 2026-08-26 06:07 | 639233202925983161 |
|
1020 ms | 211.149.230.100 |
| 38 | 2026-08-26 05:50 | 639233192644780696 |
|
871 ms | 211.149.230.100 |
| 37 | 2026-08-26 05:50 | 639233192644780696 |
|
871 ms | 61.172.183.73 |
| 36 | 2026-08-26 05:32 | 639233182401183833 |
|
1539 ms | 211.149.230.100 |
| 35 | 2026-08-26 05:32 | 639233182401183833 |
|
1539 ms | 61.172.183.73 |
| 34 | 2026-08-26 05:15 | 639233172074181051 |
|
841 ms | 211.149.230.100 |
| 33 | 2026-08-26 05:15 | 639233172074181051 |
|
841 ms | 61.172.183.73 |
| 32 | 2026-08-26 04:58 | 639233161808421455 |
|
1602 ms | 61.172.183.73 |
| 31 | 2026-08-26 04:58 | 639233161808421455 |
|
1602 ms | 211.149.230.100 |
| 30 | 2026-08-26 04:41 | 639233151357344052 |
|
1781 ms | 211.149.230.100 |
| 29 | 2026-08-26 04:41 | 639233151357344052 |
|
1781 ms | 61.172.183.73 |
| 28 | 2026-08-26 04:24 | 639233141034116946 |
|
1550 ms | 211.149.230.100 |
| 27 | 2026-08-26 04:24 | 639233141034116946 |
|
1550 ms | 61.172.183.73 |
| 26 | 2026-08-26 04:06 | 639233130828334142 |
|
1235 ms | 61.172.183.73 |
| 25 | 2026-08-26 04:06 | 639233130828334142 |
|
1235 ms | 211.149.230.100 |
| 24 | 2026-08-26 03:49 | 639233120373450007 |
|
1361 ms | 61.172.183.73 |
| 23 | 2026-08-26 03:49 | 639233120373450007 |
|
1361 ms | 211.149.230.100 |
| 22 | 2026-08-26 03:32 | 639233110066216193 |
|
889 ms | 61.172.183.73 |
| 21 | 2026-08-26 03:32 | 639233110066216193 |
|
889 ms | 211.149.230.100 |
| 20 | 2026-08-26 02:39 | 639233078065410564 |
|
1323 ms | 211.149.230.100 |
| 19 | 2026-08-26 02:39 | 639233078065410564 |
|
1323 ms | 61.172.183.73 |
| 18 | 2026-08-26 02:21 | 639233067787457832 |
|
689 ms | 61.172.183.73 |
| 17 | 2026-08-26 02:21 | 639233067787457832 |
|
689 ms | 211.149.230.100 |
| 16 | 2026-08-26 02:04 | 639233057501801162 |
|
689 ms | 61.172.183.73 |
| 15 | 2026-08-26 02:04 | 639233057501801162 |
|
689 ms | 211.149.230.100 |
| 14 | 2026-08-26 01:47 | 639233047089431703 |
|
1231 ms | 211.149.230.100 |
| 13 | 2026-08-26 01:47 | 639233047089431703 |
|
1231 ms | 61.172.183.73 |
| 12 | 2026-08-26 01:30 | 639233036754790688 |
|
1310 ms | 211.149.230.100 |
| 11 | 2026-08-26 01:30 | 639233036754790688 |
|
1310 ms | 61.172.183.73 |
| 10 | 2026-08-26 01:13 | 639233026412602472 |
|
1314 ms | 61.172.183.73 |
| 9 | 2026-08-26 01:13 | 639233026412602472 |
|
1314 ms | 211.149.230.100 |
| 8 | 2026-08-26 00:55 | 639233016064066127 |
|
738 ms | 61.172.183.73 |
| 7 | 2026-08-26 00:55 | 639233016064066127 |
|
738 ms | 211.149.230.100 |
| 6 | 2026-08-26 00:38 | 639233005922655772 |
|
1116 ms | 211.149.230.100 |
| 5 | 2026-08-26 00:38 | 639233005922655772 |
|
1116 ms | 61.172.183.73 |
| 4 | 2026-08-26 00:21 | 639232995672256907 |
|
695 ms | 211.149.230.100 |
| 3 | 2026-08-26 00:21 | 639232995672256907 |
|
695 ms | 61.172.183.73 |
| 2 | 2026-08-26 00:04 | 639232985300872416 |
|
755 ms | 211.149.230.100 |
| 1 | 2026-08-26 00:04 | 639232985300872416 |
|
755 ms | 61.172.183.73 |