History for ns21.sainaweb.com
Domain: sainaweb.com • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns21.sainaweb.com
ns21.sainaweb.com 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 2026-08-24. For this date, NameServerHistory found 42 DNS check records, 42 successful responses, 0 failed responses, and 200 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 ns21.sainaweb.com.
Records on Selected Date
42
Historical checks stored for this nameserver on selected date
Average Latency
200 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-24 17:29
All timestamps shown in UTC
Latest Resolved IP on Selected Date
5.144.131.244
Most recently resolved hosting IP on selected date
Successful Responses
42
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 ns21.sainaweb.com
Showing DNS history for 2026-08-24 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 |
|---|---|---|---|---|---|
| 42 | 2026-08-24 17:29 | 639231890488117536 |
|
170 ms | 5.144.131.244 |
| 41 | 2026-08-24 17:12 | 639231880574255543 |
|
147 ms | 5.144.131.244 |
| 40 | 2026-08-24 16:56 | 639231870418029045 |
|
116 ms | 5.144.131.244 |
| 39 | 2026-08-24 16:39 | 639231860258429562 |
|
137 ms | 5.144.131.244 |
| 38 | 2026-08-24 15:45 | 639231828211839931 |
|
216 ms | 5.144.131.244 |
| 37 | 2026-08-24 15:28 | 639231818080917481 |
|
182 ms | 5.144.131.244 |
| 36 | 2026-08-24 15:11 | 639231807961539652 |
|
118 ms | 5.144.131.244 |
| 35 | 2026-08-24 14:54 | 639231797631669865 |
|
135 ms | 5.144.131.244 |
| 34 | 2026-08-24 14:01 | 639231765923559455 |
|
147 ms | 5.144.131.244 |
| 33 | 2026-08-24 13:45 | 639231755868832964 |
|
82 ms | 5.144.131.244 |
| 32 | 2026-08-24 13:28 | 639231745628278877 |
|
169 ms | 5.144.131.244 |
| 31 | 2026-08-24 13:10 | 639231735407682062 |
|
4 ms | 5.144.131.244 |
| 30 | 2026-08-24 12:18 | 639231703815441688 |
|
172 ms | 5.144.131.244 |
| 29 | 2026-08-24 12:01 | 639231693747052549 |
|
256 ms | 5.144.131.244 |
| 28 | 2026-08-24 11:44 | 639231683712487276 |
|
157 ms | 5.144.131.244 |
| 27 | 2026-08-24 11:27 | 639231673513573868 |
|
29 ms | 5.144.131.244 |
| 26 | 2026-08-24 10:34 | 639231641791249939 |
|
18 ms | 5.144.131.244 |
| 25 | 2026-08-24 10:18 | 639231631866211033 |
|
164 ms | 5.144.131.244 |
| 24 | 2026-08-24 10:01 | 639231621644955316 |
|
218 ms | 5.144.131.244 |
| 23 | 2026-08-24 09:44 | 639231611478799259 |
|
47 ms | 5.144.131.244 |
| 22 | 2026-08-24 08:52 | 639231579923718211 |
|
127 ms | 5.144.131.244 |
| 21 | 2026-08-24 08:35 | 639231569810702936 |
|
141 ms | 5.144.131.244 |
| 20 | 2026-08-24 08:18 | 639231559762411619 |
|
120 ms | 5.144.131.244 |
| 19 | 2026-08-24 08:01 | 639231549663595407 |
|
139 ms | 5.144.131.244 |
| 18 | 2026-08-24 07:08 | 639231518076817246 |
|
125 ms | 5.144.131.244 |
| 17 | 2026-08-24 06:52 | 639231508078650885 |
|
11 ms | 5.144.131.244 |
| 16 | 2026-08-24 06:35 | 639231498210697093 |
|
12 ms | 5.144.131.244 |
| 15 | 2026-08-24 06:19 | 639231488109699360 |
|
12 ms | 5.144.131.244 |
| 14 | 2026-08-24 05:26 | 639231456772510692 |
|
149 ms | 5.144.131.244 |
| 13 | 2026-08-24 05:10 | 639231447084631185 |
|
126 ms | 5.144.131.244 |
| 12 | 2026-08-24 04:54 | 639231437208519473 |
|
2104 ms | 5.144.131.244 |
| 11 | 2026-08-24 04:37 | 639231427209627490 |
|
5 ms | 5.144.131.244 |
| 10 | 2026-08-24 03:45 | 639231395791246644 |
|
2021 ms | 5.144.131.244 |
| 9 | 2026-08-24 03:28 | 639231386075551458 |
|
3 ms | 5.144.131.244 |
| 8 | 2026-08-24 03:12 | 639231376208713791 |
|
203 ms | 5.144.131.244 |
| 7 | 2026-08-24 02:55 | 639231366170589276 |
|
64 ms | 5.144.131.244 |
| 6 | 2026-08-24 02:03 | 639231334732159368 |
|
167 ms | 5.144.131.244 |
| 5 | 2026-08-24 01:47 | 639231325035670078 |
|
145 ms | 5.144.131.244 |
| 4 | 2026-08-24 01:30 | 639231315132253837 |
|
3 ms | 5.144.131.244 |
| 3 | 2026-08-24 01:13 | 639231305014280808 |
|
27 ms | 5.144.131.244 |
| 2 | 2026-08-24 00:21 | 639231273779380675 |
|
11 ms | 5.144.131.244 |
| 1 | 2026-08-24 00:05 | 639231264180839154 |
|
10 ms | 5.144.131.244 |