DNS response history for dns1.sicfl.edu.cn

dns1.sicfl.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 47 DNS check records, 31 successful responses, 16 failed responses, and 2461 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.sicfl.edu.cn.
Records on Selected Date

47

Historical checks stored for this nameserver on selected date

Average Latency

2461 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 15:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

219.220.176.66

Most recently resolved hosting IP on selected date

Successful Responses

31

Checks that returned a measurable response

Failed Responses

16

Checks with no response or no returned latency

Failure Rate

34%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for dns1.sicfl.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
47 2026-08-26 15:48 639233550544357027
-
46 2026-08-26 14:53 639233517966053117
1749 ms 219.220.176.66
45 2026-08-26 14:36 639233507603253585
1750 ms 219.220.176.66
44 2026-08-26 14:19 639233497229039167
2264 ms 219.220.176.66
43 2026-08-26 14:01 639233486864546406
1978 ms 219.220.176.66
42 2026-08-26 13:44 639233476455174682
2033 ms 219.220.176.66
41 2026-08-26 13:27 639233466171592605
1768 ms 219.220.176.66
40 2026-08-26 13:09 639233455747096265
1780 ms 219.220.176.66
39 2026-08-26 12:52 639233445367152284
2031 ms 219.220.176.66
38 2026-08-26 12:35 639233434974187439
-
37 2026-08-26 12:18 639233424567558554
-
36 2026-08-26 12:00 639233414056832719
3823 ms 219.220.176.66
35 2026-08-26 11:43 639233403515141099
-
34 2026-08-26 10:48 639233370841350248
1752 ms 219.220.176.66
33 2026-08-26 10:31 639233360361507238
-
32 2026-08-26 10:13 639233350067824371
3764 ms 219.220.176.66
31 2026-08-26 09:56 639233339545274518
-
30 2026-08-26 09:38 639233329214918079
2009 ms 219.220.176.66
29 2026-08-26 09:21 639233318749762337
3817 ms 219.220.176.66
28 2026-08-26 09:04 639233308387917838
4307 ms 219.220.176.66
27 2026-08-26 08:47 639233297961740122
-
26 2026-08-26 08:29 639233287487159094
-
25 2026-08-26 08:12 639233276995531707
1741 ms 219.220.176.66
24 2026-08-26 07:54 639233266521568229
2314 ms 219.220.176.66
23 2026-08-26 07:37 639233256081047431
-
22 2026-08-26 06:43 639233223620132921
2009 ms 219.220.176.66
21 2026-08-26 06:25 639233213287814244
4687 ms 219.220.176.66
20 2026-08-26 06:08 639233202925983161
1742 ms 219.220.176.66
19 2026-08-26 05:51 639233192644780696
-
18 2026-08-26 05:34 639233182401183833
1737 ms 219.220.176.66
17 2026-08-26 05:17 639233172074181051
2320 ms 219.220.176.66
16 2026-08-26 04:59 639233161808421455
2009 ms 219.220.176.66
15 2026-08-26 04:42 639233151357344052
1746 ms 219.220.176.66
14 2026-08-26 04:25 639233141034116946
-
13 2026-08-26 04:08 639233130828334142
-
12 2026-08-26 03:51 639233120373450007
-
11 2026-08-26 03:33 639233110066216193
3822 ms 219.220.176.66
10 2026-08-26 02:40 639233078065410564
1757 ms 219.220.176.66
9 2026-08-26 02:23 639233067787457832
1748 ms 219.220.176.66
8 2026-08-26 02:06 639233057501801162
-
7 2026-08-26 01:48 639233047089431703
-
6 2026-08-26 01:31 639233036754790688
3977 ms 219.220.176.66
5 2026-08-26 01:14 639233026412602472
3978 ms 219.220.176.66
4 2026-08-26 00:57 639233016064066127
2 ms 219.220.176.66
3 2026-08-26 00:39 639233005922655772
2061 ms 219.220.176.66
2 2026-08-26 00:23 639232995672256907
-
1 2026-08-26 00:05 639232985300872416
3813 ms 219.220.176.66