History for dns1.sc.edu.cn
Domain: sc.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns1.sc.edu.cn
dns1.sc.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 56 DNS check records, 56 successful responses, 0 failed responses, and 765 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 dns1.sc.edu.cn.
Records on Selected Date
56
Historical checks stored for this nameserver on selected date
Average Latency
765 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-26 18:25
All timestamps shown in UTC
Latest Resolved IP on Selected Date
202.115.254.250
Most recently resolved hosting IP on selected date
Successful Responses
56
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 dns1.sc.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 |
|---|---|---|---|---|---|
| 56 | 2026-08-26 18:25 | 639233646245051806 |
|
904 ms | 202.115.254.250 |
| 55 | 2026-08-26 18:07 | 639233635663779051 |
|
603 ms | 202.115.254.250 |
| 54 | 2026-08-26 17:50 | 639233624977342122 |
|
636 ms | 202.115.254.250 |
| 53 | 2026-08-26 17:32 | 639233614446136153 |
|
609 ms | 202.115.254.250 |
| 52 | 2026-08-26 17:14 | 639233603737877581 |
|
991 ms | 202.115.254.250 |
| 51 | 2026-08-26 16:57 | 639233593269224651 |
|
605 ms | 202.115.254.250 |
| 50 | 2026-08-26 16:39 | 639233582635086903 |
|
824 ms | 202.115.254.250 |
| 49 | 2026-08-26 16:21 | 639233572000374575 |
|
662 ms | 202.115.254.250 |
| 48 | 2026-08-26 16:03 | 639233561188633861 |
|
898 ms | 202.115.254.250 |
| 47 | 2026-08-26 15:46 | 639233550544357027 |
|
910 ms | 202.115.254.250 |
| 46 | 2026-08-26 14:51 | 639233517966053117 |
|
618 ms | 202.115.254.250 |
| 45 | 2026-08-26 14:34 | 639233507603253585 |
|
968 ms | 202.115.254.250 |
| 44 | 2026-08-26 14:16 | 639233497229039167 |
|
872 ms | 202.115.254.250 |
| 43 | 2026-08-26 13:59 | 639233486864546406 |
|
825 ms | 202.115.254.250 |
| 42 | 2026-08-26 13:42 | 639233476455174682 |
|
614 ms | 202.115.254.250 |
| 41 | 2026-08-26 13:24 | 639233466171592605 |
|
881 ms | 202.115.254.250 |
| 40 | 2026-08-26 13:07 | 639233455747096265 |
|
626 ms | 202.115.254.250 |
| 39 | 2026-08-26 12:50 | 639233445367152284 |
|
880 ms | 202.115.254.250 |
| 38 | 2026-08-26 12:33 | 639233434974187439 |
|
944 ms | 202.115.254.250 |
| 37 | 2026-08-26 12:15 | 639233424567558554 |
|
609 ms | 202.115.254.250 |
| 36 | 2026-08-26 11:58 | 639233414056832719 |
|
612 ms | 202.115.254.250 |
| 35 | 2026-08-26 11:40 | 639233403515141099 |
|
886 ms | 202.115.254.250 |
| 34 | 2026-08-26 10:46 | 639233370841350248 |
|
610 ms | 202.115.254.250 |
| 33 | 2026-08-26 10:28 | 639233360361507238 |
|
577 ms | 202.115.254.250 |
| 32 | 2026-08-26 10:11 | 639233350067824371 |
|
613 ms | 202.115.254.250 |
| 31 | 2026-08-26 09:54 | 639233339545274518 |
|
888 ms | 202.115.254.250 |
| 30 | 2026-08-26 09:36 | 639233329214918079 |
|
607 ms | 202.115.254.250 |
| 29 | 2026-08-26 09:19 | 639233318749762337 |
|
579 ms | 202.115.254.250 |
| 28 | 2026-08-26 09:02 | 639233308387917838 |
|
865 ms | 202.115.254.250 |
| 27 | 2026-08-26 08:44 | 639233297961740122 |
|
896 ms | 202.115.254.250 |
| 26 | 2026-08-26 08:27 | 639233287487159094 |
|
3 ms | 202.115.254.250 |
| 25 | 2026-08-26 08:09 | 639233276995531707 |
|
595 ms | 202.115.254.250 |
| 24 | 2026-08-26 07:52 | 639233266521568229 |
|
863 ms | 202.115.254.250 |
| 23 | 2026-08-26 07:34 | 639233256081047431 |
|
903 ms | 202.115.254.250 |
| 22 | 2026-08-26 06:40 | 639233223620132921 |
|
867 ms | 202.115.254.250 |
| 21 | 2026-08-26 06:23 | 639233213287814244 |
|
614 ms | 202.115.254.250 |
| 20 | 2026-08-26 06:06 | 639233202925983161 |
|
618 ms | 202.115.254.250 |
| 19 | 2026-08-26 05:49 | 639233192644780696 |
|
607 ms | 202.115.254.250 |
| 18 | 2026-08-26 05:31 | 639233182401183833 |
|
640 ms | 202.115.254.250 |
| 17 | 2026-08-26 05:14 | 639233172074181051 |
|
1030 ms | 202.115.254.250 |
| 16 | 2026-08-26 04:57 | 639233161808421455 |
|
882 ms | 202.115.254.250 |
| 15 | 2026-08-26 04:40 | 639233151357344052 |
|
926 ms | 202.115.254.250 |
| 14 | 2026-08-26 04:23 | 639233141034116946 |
|
605 ms | 202.115.254.250 |
| 13 | 2026-08-26 04:05 | 639233130828334142 |
|
614 ms | 202.115.254.250 |
| 12 | 2026-08-26 03:48 | 639233120373450007 |
|
869 ms | 202.115.254.250 |
| 11 | 2026-08-26 03:31 | 639233110066216193 |
|
1251 ms | 202.115.254.250 |
| 10 | 2026-08-26 02:38 | 639233078065410564 |
|
603 ms | 202.115.254.250 |
| 9 | 2026-08-26 02:21 | 639233067787457832 |
|
882 ms | 202.115.254.250 |
| 8 | 2026-08-26 02:03 | 639233057501801162 |
|
866 ms | 202.115.254.250 |
| 7 | 2026-08-26 01:46 | 639233047089431703 |
|
1252 ms | 202.115.254.250 |
| 6 | 2026-08-26 01:29 | 639233036754790688 |
|
822 ms | 202.115.254.250 |
| 5 | 2026-08-26 01:12 | 639233026412602472 |
|
863 ms | 202.115.254.250 |
| 4 | 2026-08-26 00:54 | 639233016064066127 |
|
602 ms | 202.115.254.250 |
| 3 | 2026-08-26 00:37 | 639233005922655772 |
|
826 ms | 202.115.254.250 |
| 2 | 2026-08-26 00:20 | 639232995672256907 |
|
815 ms | 202.115.254.250 |
| 1 | 2026-08-26 00:03 | 639232985300872416 |
|
814 ms | 202.115.254.250 |