History for ns1.sina.com.cn
Domain: sina.com.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns1.sina.com.cn
ns1.sina.com.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 2026-08-27. For this date, NameServerHistory found 50 DNS check records, 50 successful responses, 0 failed responses, and 277 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.sina.com.cn.
Records on Selected Date
50
Historical checks stored for this nameserver on selected date
Average Latency
277 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-27 16:42
All timestamps shown in UTC
Latest Resolved IP on Selected Date
221.179.193.14
Most recently resolved hosting IP on selected date
Successful Responses
50
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.sina.com.cn
Showing DNS history for 2026-08-27 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 |
|---|---|---|---|---|---|
| 50 | 2026-08-27 16:42 | 639234453500759178 |
|
7 ms | 221.179.193.14 |
| 49 | 2026-08-27 16:25 | 639234442983541638 |
|
8 ms | 221.179.193.14 |
| 48 | 2026-08-27 16:07 | 639234432404354562 |
|
138 ms | 221.179.193.14 |
| 47 | 2026-08-27 15:13 | 639234399767719119 |
|
154 ms | 221.179.193.14 |
| 46 | 2026-08-27 14:56 | 639234389460601485 |
|
9 ms | 221.179.193.14 |
| 45 | 2026-08-27 14:39 | 639234379227178707 |
|
168 ms | 221.179.193.14 |
| 44 | 2026-08-27 14:22 | 639234369065315214 |
|
8 ms | 221.179.193.14 |
| 43 | 2026-08-27 14:05 | 639234358825501576 |
|
2249 ms | 221.179.193.14 |
| 42 | 2026-08-27 13:47 | 639234348572745268 |
|
5 ms | 221.179.193.14 |
| 41 | 2026-08-27 13:30 | 639234338264503481 |
|
141 ms | 221.179.193.14 |
| 40 | 2026-08-27 13:13 | 639234327818741376 |
|
2292 ms | 221.179.193.14 |
| 39 | 2026-08-27 12:56 | 639234317475724313 |
|
12 ms | 221.179.193.14 |
| 38 | 2026-08-27 12:38 | 639234307007468133 |
|
144 ms | 221.179.193.14 |
| 37 | 2026-08-27 12:21 | 639234296664302575 |
|
238 ms | 221.179.193.14 |
| 36 | 2026-08-27 12:04 | 639234286253196126 |
|
186 ms | 221.179.193.14 |
| 35 | 2026-08-27 11:10 | 639234253963286387 |
|
244 ms | 221.179.193.14 |
| 34 | 2026-08-27 10:53 | 639234243654907465 |
|
151 ms | 221.179.193.14 |
| 33 | 2026-08-27 10:35 | 639234233269654413 |
|
158 ms | 221.179.193.14 |
| 32 | 2026-08-27 10:18 | 639234222943951923 |
|
11 ms | 221.179.193.14 |
| 31 | 2026-08-27 10:01 | 639234212558002823 |
|
136 ms | 221.179.193.14 |
| 30 | 2026-08-27 09:44 | 639234202117531850 |
|
149 ms | 221.179.193.14 |
| 29 | 2026-08-27 09:26 | 639234191649612722 |
|
170 ms | 221.179.193.14 |
| 28 | 2026-08-27 09:09 | 639234181105879568 |
|
303 ms | 221.179.193.14 |
| 27 | 2026-08-27 08:51 | 639234170713214496 |
|
31 ms | 221.179.193.14 |
| 26 | 2026-08-27 08:34 | 639234160341037652 |
|
160 ms | 221.179.193.14 |
| 25 | 2026-08-27 08:16 | 639234149799404224 |
|
20 ms | 221.179.193.14 |
| 24 | 2026-08-27 07:59 | 639234139553286469 |
|
57 ms | 221.179.193.14 |
| 23 | 2026-08-27 07:05 | 639234107183588293 |
|
7 ms | 221.179.193.14 |
| 22 | 2026-08-27 06:48 | 639234096905435724 |
|
297 ms | 221.179.193.14 |
| 21 | 2026-08-27 06:31 | 639234086579410775 |
|
7 ms | 221.179.193.14 |
| 20 | 2026-08-27 06:14 | 639234076291157956 |
|
164 ms | 221.179.193.14 |
| 19 | 2026-08-27 05:57 | 639234065981939454 |
|
9 ms | 221.179.193.14 |
| 18 | 2026-08-27 05:40 | 639234055548642997 |
|
2250 ms | 221.179.193.14 |
| 17 | 2026-08-27 05:22 | 639234045267979603 |
|
7 ms | 221.179.193.14 |
| 16 | 2026-08-27 05:05 | 639234034999717463 |
|
265 ms | 221.179.193.14 |
| 15 | 2026-08-27 04:48 | 639234024739225358 |
|
157 ms | 221.179.193.14 |
| 14 | 2026-08-27 04:31 | 639234014311170162 |
|
144 ms | 221.179.193.14 |
| 13 | 2026-08-27 04:13 | 639234003806017640 |
|
167 ms | 221.179.193.14 |
| 12 | 2026-08-27 03:56 | 639233993356203030 |
|
20 ms | 221.179.193.14 |
| 11 | 2026-08-27 03:02 | 639233961301716608 |
|
303 ms | 221.179.193.14 |
| 10 | 2026-08-27 02:45 | 639233950834200647 |
|
143 ms | 221.179.193.14 |
| 9 | 2026-08-27 02:28 | 639233940431849026 |
|
12 ms | 221.179.193.14 |
| 8 | 2026-08-27 02:10 | 639233930110596398 |
|
13 ms | 221.179.193.14 |
| 7 | 2026-08-27 01:53 | 639233919705434540 |
|
32 ms | 221.179.193.14 |
| 6 | 2026-08-27 01:36 | 639233909452807845 |
|
237 ms | 221.179.193.14 |
| 5 | 2026-08-27 01:19 | 639233899096420820 |
|
40 ms | 221.179.193.14 |
| 4 | 2026-08-27 01:01 | 639233888707824939 |
|
7 ms | 221.179.193.14 |
| 3 | 2026-08-27 00:44 | 639233878461203802 |
|
8 ms | 221.179.193.14 |
| 2 | 2026-08-27 00:27 | 639233868060868209 |
|
2033 ms | 221.179.193.14 |
| 1 | 2026-08-27 00:09 | 639233857450922991 |
|
157 ms | 221.179.193.14 |