DNS response history for ns2.open.com.cn

ns2.open.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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 308 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.open.com.cn.
Records on Selected Date

74

Historical checks stored for this nameserver on selected date

Average Latency

308 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:55

All timestamps shown in UTC

Latest Resolved IP on Selected Date

120.133.51.254

Most recently resolved hosting IP on selected date

Successful Responses

74

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.open.com.cn

Showing DNS history for 2026-08-22 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
74 2026-08-22 23:55 639230391807229016
320 ms 120.133.51.254
73 2026-08-22 23:39 639230382051619327
9 ms 120.133.51.254
72 2026-08-22 23:23 639230372323353529
24 ms 120.133.51.254
71 2026-08-22 23:06 639230362586451064
90 ms 120.133.51.254
70 2026-08-22 22:50 639230352793666303
91 ms 120.133.51.254
69 2026-08-22 22:33 639230342775737758
111 ms 120.133.51.254
68 2026-08-22 22:17 639230332639939561
2426 ms 120.133.51.254
67 2026-08-22 21:24 639230301014190104
2092 ms 120.133.51.254
66 2026-08-22 21:07 639230291048161498
42 ms 120.133.51.254
65 2026-08-22 20:50 639230280894353664
10 ms 120.133.51.254
64 2026-08-22 20:33 639230270699419073
317 ms 120.133.51.254
63 2026-08-22 20:16 639230260248163050
274 ms 120.133.51.254
62 2026-08-22 19:59 639230250122494282
85 ms 120.133.51.254
61 2026-08-22 19:42 639230239972935046
88 ms 120.133.51.254
60 2026-08-22 19:25 639230229963262464
4085 ms 120.133.51.254
59 2026-08-22 19:09 639230220033804658
88 ms 120.133.51.254
58 2026-08-22 18:52 639230209891107289
87 ms 120.133.51.254
57 2026-08-22 18:35 639230199630298717
2752 ms 120.133.51.254
56 2026-08-22 18:18 639230189301984150
95 ms 120.133.51.254
55 2026-08-22 17:24 639230157138468804
24 ms 120.133.51.254
54 2026-08-22 17:07 639230146987869495
11 ms 120.133.51.254
53 2026-08-22 16:50 639230136768638516
8 ms 120.133.51.254
52 2026-08-22 16:33 639230126735907877
32 ms 120.133.51.254
51 2026-08-22 16:16 639230116551187768
14 ms 120.133.51.254
50 2026-08-22 15:59 639230106335615913
92 ms 120.133.51.254
49 2026-08-22 15:42 639230096177758176
115 ms 120.133.51.254
48 2026-08-22 15:26 639230086185999993
10 ms 120.133.51.254
47 2026-08-22 15:09 639230076247854903
10 ms 120.133.51.254
46 2026-08-22 14:52 639230066076077530
13 ms 120.133.51.254
45 2026-08-22 14:35 639230055738197328
83 ms 120.133.51.254
44 2026-08-22 14:18 639230045411225521
286 ms 120.133.51.254
43 2026-08-22 13:24 639230013046000470
11 ms 120.133.51.254
42 2026-08-22 13:07 639230003090037878
100 ms 120.133.51.254
41 2026-08-22 12:50 639229993008259475
89 ms 120.133.51.254
40 2026-08-22 12:34 639229982909449470
1395 ms 120.133.51.254
39 2026-08-22 12:17 639229973035502212
310 ms 120.133.51.254
38 2026-08-22 12:00 639229963064296145
84 ms 120.133.51.254
37 2026-08-22 11:44 639229952996162143
99 ms 120.133.51.254
36 2026-08-22 11:27 639229943051949195
84 ms 120.133.51.254
35 2026-08-22 11:10 639229932919214934
11 ms 120.133.51.254
34 2026-08-22 10:53 639229922745889838
87 ms 120.133.51.254
33 2026-08-22 10:37 639229912587214796
83 ms 120.133.51.254
32 2026-08-22 10:19 639229902240004454
104 ms 120.133.51.254
31 2026-08-22 09:27 639229870800501662
88 ms 120.133.51.254
30 2026-08-22 09:10 639229861058384956
9 ms 120.133.51.254
29 2026-08-22 08:54 639229851158592604
11 ms 120.133.51.254
28 2026-08-22 08:38 639229841475569629
110 ms 120.133.51.254
27 2026-08-22 08:22 639229831887658471
259 ms 120.133.51.254
26 2026-08-22 08:06 639229822043670346
11 ms 120.133.51.254
25 2026-08-22 07:49 639229812327913936
84 ms 120.133.51.254
24 2026-08-22 07:33 639229802629488686
88 ms 120.133.51.254
23 2026-08-22 07:17 639229793051447309
88 ms 120.133.51.254
22 2026-08-22 07:01 639229783303531961
85 ms 120.133.51.254
21 2026-08-22 06:44 639229773458051942
47 ms 120.133.51.254
20 2026-08-22 06:28 639229763373848056
44 ms 120.133.51.254
19 2026-08-22 05:36 639229732140622809
13 ms 120.133.51.254
18 2026-08-22 05:20 639229722699695967
2091 ms 120.133.51.254
17 2026-08-22 05:04 639229713097498075
14 ms 120.133.51.254
16 2026-08-22 04:48 639229703543969637
350 ms 120.133.51.254
15 2026-08-22 04:32 639229693970392873
10 ms 120.133.51.254
14 2026-08-22 04:16 639229684277329469
88 ms 120.133.51.254
13 2026-08-22 04:00 639229674501596661
31 ms 120.133.51.254
12 2026-08-22 03:44 639229665064441147
2056 ms 120.133.51.254
11 2026-08-22 03:28 639229655507536872
28 ms 120.133.51.254
10 2026-08-22 03:12 639229645849603111
329 ms 120.133.51.254
9 2026-08-22 02:55 639229636090497453
326 ms 120.133.51.254
8 2026-08-22 02:39 639229625978544281
87 ms 120.133.51.254
7 2026-08-22 01:46 639229594644662176
15 ms 120.133.51.254
6 2026-08-22 01:31 639229585214633065
12 ms 120.133.51.254
5 2026-08-22 01:15 639229575581042175
34 ms 120.133.51.254
4 2026-08-22 00:59 639229565912268962
10 ms 120.133.51.254
3 2026-08-22 00:42 639229556237813203
99 ms 120.133.51.254
2 2026-08-22 00:26 639229546625802518
9 ms 120.133.51.254
1 2026-08-22 00:10 639229537172016621
16 ms 120.133.51.254