DNS response history for vip1.sfndns.cn

vip1.sfndns.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 2026-08-24. For this date, NameServerHistory found 160 DNS check records, 159 successful responses, 1 failed responses, and 285 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 vip1.sfndns.cn.
Records on Selected Date

160

Historical checks stored for this nameserver on selected date

Average Latency

285 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 22:38

All timestamps shown in UTC

Latest Resolved IP on Selected Date

103.21.140.3

Most recently resolved hosting IP on selected date

Successful Responses

159

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for vip1.sfndns.cn

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
160 2026-08-24 22:38 639232077430823987
92 ms 103.21.140.3
159 2026-08-24 22:38 639232077430823987
92 ms 47.108.213.108
158 2026-08-24 22:38 639232077430823987
92 ms 58.205.196.4
157 2026-08-24 22:22 639232067340513033
323 ms 47.108.213.108
156 2026-08-24 22:22 639232067340513033
323 ms 103.21.140.3
155 2026-08-24 22:22 639232067340513033
323 ms 58.205.196.4
154 2026-08-24 22:05 639232057157944387
83 ms 58.205.196.4
153 2026-08-24 22:05 639232057157944387
83 ms 103.21.140.3
152 2026-08-24 22:05 639232057157944387
83 ms 47.108.213.108
151 2026-08-24 21:47 639232046895282144
396 ms 47.108.213.108
150 2026-08-24 21:47 639232046895282144
396 ms 58.205.196.4
149 2026-08-24 21:47 639232046895282144
396 ms 103.21.140.3
148 2026-08-24 20:53 639232014356623395
10 ms 47.108.213.108
147 2026-08-24 20:53 639232014356623395
10 ms 103.21.140.3
146 2026-08-24 20:53 639232014356623395
10 ms 58.205.196.4
145 2026-08-24 20:36 639232004177831322
51 ms 103.21.140.3
144 2026-08-24 20:36 639232004177831322
51 ms 47.108.213.108
143 2026-08-24 20:36 639232004177831322
51 ms 58.205.196.4
142 2026-08-24 20:19 639231993997863976
86 ms 103.21.140.3
141 2026-08-24 20:19 639231993997863976
86 ms 47.108.213.108
140 2026-08-24 20:19 639231993997863976
86 ms 58.205.196.4
139 2026-08-24 20:03 639231983967363696
65 ms 47.108.213.108
138 2026-08-24 20:03 639231983967363696
65 ms 58.205.196.4
137 2026-08-24 20:03 639231983967363696
65 ms 103.21.140.3
136 2026-08-24 19:10 639231952257842845
47 ms 103.21.140.3
135 2026-08-24 19:10 639231952257842845
47 ms 47.108.213.108
134 2026-08-24 19:10 639231952257842845
47 ms 58.205.196.4
133 2026-08-24 18:53 639231942277816756
48 ms 58.205.196.4
132 2026-08-24 18:53 639231942277816756
48 ms 47.108.213.108
131 2026-08-24 18:53 639231942277816756
48 ms 103.21.140.3
130 2026-08-24 18:36 639231932094180724
49 ms 47.108.213.108
129 2026-08-24 18:36 639231932094180724
49 ms 103.21.140.3
128 2026-08-24 18:36 639231932094180724
49 ms 58.205.196.4
127 2026-08-24 18:19 639231922041034838
94 ms 58.205.196.4
126 2026-08-24 18:19 639231922041034838
94 ms 103.21.140.3
125 2026-08-24 18:19 639231922041034838
94 ms 47.108.213.108
124 2026-08-24 17:27 639231890488117536
51 ms 103.21.140.3
123 2026-08-24 17:27 639231890488117536
51 ms 58.205.196.4
122 2026-08-24 17:27 639231890488117536
51 ms 47.108.213.108
121 2026-08-24 17:10 639231880574255543
50 ms 58.205.196.4
120 2026-08-24 17:10 639231880574255543
50 ms 47.108.213.108
119 2026-08-24 17:10 639231880574255543
50 ms 103.21.140.3
118 2026-08-24 16:53 639231870418029045
18 ms 47.108.213.108
117 2026-08-24 16:53 639231870418029045
18 ms 103.21.140.3
116 2026-08-24 16:53 639231870418029045
18 ms 58.205.196.4
115 2026-08-24 16:37 639231860258429562
52 ms 58.205.196.4
114 2026-08-24 16:37 639231860258429562
52 ms 47.108.213.108
113 2026-08-24 16:37 639231860258429562
52 ms 103.21.140.3
112 2026-08-24 15:43 639231828211839931
284 ms 103.21.140.3
111 2026-08-24 15:43 639231828211839931
284 ms 58.205.196.4
110 2026-08-24 15:43 639231828211839931
284 ms 47.108.213.108
109 2026-08-24 15:26 639231818080917481
10 ms 58.205.196.4
108 2026-08-24 15:26 639231818080917481
10 ms 103.21.140.3
107 2026-08-24 15:26 639231818080917481
10 ms 47.108.213.108
106 2026-08-24 15:09 639231807961539652
25 ms 58.205.196.4
105 2026-08-24 15:09 639231807961539652
25 ms 103.21.140.3
104 2026-08-24 15:09 639231807961539652
25 ms 47.108.213.108
103 2026-08-24 14:52 639231797631669865
84 ms 58.205.196.4
102 2026-08-24 14:52 639231797631669865
84 ms 103.21.140.3
101 2026-08-24 14:52 639231797631669865
84 ms 47.108.213.108
100 2026-08-24 13:59 639231765923559455
19 ms 103.21.140.3
99 2026-08-24 13:59 639231765923559455
19 ms 47.108.213.108
98 2026-08-24 13:59 639231765923559455
19 ms 58.205.196.4
97 2026-08-24 13:42 639231755868832964
12 ms 58.205.196.4
96 2026-08-24 13:42 639231755868832964
12 ms 47.108.213.108
95 2026-08-24 13:42 639231755868832964
12 ms 103.21.140.3
94 2026-08-24 13:25 639231745628278877
319 ms 47.108.213.108
93 2026-08-24 13:25 639231745628278877
319 ms 103.21.140.3
92 2026-08-24 13:25 639231745628278877
319 ms 58.205.196.4
91 2026-08-24 13:08 639231735407682062
22 ms 47.108.213.108
90 2026-08-24 13:08 639231735407682062
22 ms 103.21.140.3
89 2026-08-24 13:08 639231735407682062
22 ms 58.205.196.4
88 2026-08-24 12:16 639231703815441688
50 ms 103.21.140.3
87 2026-08-24 12:16 639231703815441688
50 ms 58.205.196.4
86 2026-08-24 12:16 639231703815441688
50 ms 47.108.213.108
85 2026-08-24 11:59 639231693747052549
66 ms 47.108.213.108
84 2026-08-24 11:59 639231693747052549
66 ms 58.205.196.4
83 2026-08-24 11:59 639231693747052549
66 ms 103.21.140.3
82 2026-08-24 11:42 639231683712487276
2252 ms 47.108.213.108
81 2026-08-24 11:42 639231683712487276
2252 ms 103.21.140.3
80 2026-08-24 11:42 639231683712487276
2252 ms 58.205.196.4
79 2026-08-24 11:25 639231673513573868
53 ms 103.21.140.3
78 2026-08-24 11:25 639231673513573868
53 ms 58.205.196.4
77 2026-08-24 11:25 639231673513573868
53 ms 47.108.213.108
76 2026-08-24 10:32 639231641791249939
12 ms 58.205.196.4
75 2026-08-24 10:32 639231641791249939
12 ms 103.21.140.3
74 2026-08-24 10:32 639231641791249939
12 ms 47.108.213.108
73 2026-08-24 10:16 639231631866211033
58 ms 103.21.140.3
72 2026-08-24 10:16 639231631866211033
58 ms 47.108.213.108
71 2026-08-24 10:16 639231631866211033
58 ms 58.205.196.4
70 2026-08-24 09:59 639231621644955316
2019 ms 47.108.213.108
69 2026-08-24 09:59 639231621644955316
2019 ms 58.205.196.4
68 2026-08-24 09:59 639231621644955316
2019 ms 103.21.140.3
67 2026-08-24 09:42 639231611478799259
532 ms 103.21.140.3
66 2026-08-24 09:42 639231611478799259
532 ms 47.108.213.108
65 2026-08-24 09:42 639231611478799259
532 ms 58.205.196.4
64 2026-08-24 08:49 639231579923718211
83 ms 47.108.213.108
63 2026-08-24 08:49 639231579923718211
83 ms 103.21.140.3
62 2026-08-24 08:49 639231579923718211
83 ms 58.205.196.4
61 2026-08-24 08:32 639231569810702936
2010 ms 47.108.213.108
60 2026-08-24 08:32 639231569810702936
2010 ms 58.205.196.4
59 2026-08-24 08:32 639231569810702936
2010 ms 103.21.140.3
58 2026-08-24 08:16 639231559762411619
84 ms 58.205.196.4
57 2026-08-24 08:16 639231559762411619
84 ms 103.21.140.3
56 2026-08-24 08:16 639231559762411619
84 ms 47.108.213.108
55 2026-08-24 07:59 639231549663595407
23 ms 103.21.140.3
54 2026-08-24 07:59 639231549663595407
23 ms 58.205.196.4
53 2026-08-24 07:59 639231549663595407
23 ms 47.108.213.108
52 2026-08-24 07:06 639231518076817246
49 ms 47.108.213.108
51 2026-08-24 07:06 639231518076817246
49 ms 58.205.196.4
50 2026-08-24 07:06 639231518076817246
49 ms 103.21.140.3
49 2026-08-24 06:50 639231508078650885
2238 ms 103.21.140.3
48 2026-08-24 06:50 639231508078650885
2238 ms 58.205.196.4
47 2026-08-24 06:50 639231508078650885
2238 ms 47.108.213.108
46 2026-08-24 06:33 639231498210697093
47 ms 47.108.213.108
45 2026-08-24 06:33 639231498210697093
47 ms 58.205.196.4
44 2026-08-24 06:33 639231498210697093
47 ms 103.21.140.3
43 2026-08-24 06:16 639231488109699360
47 ms 58.205.196.4
42 2026-08-24 06:16 639231488109699360
47 ms 47.108.213.108
41 2026-08-24 06:16 639231488109699360
47 ms 103.21.140.3
40 2026-08-24 05:24 639231456772510692
75 ms 58.205.196.4
39 2026-08-24 05:24 639231456772510692
75 ms 103.21.140.3
38 2026-08-24 05:24 639231456772510692
75 ms 47.108.213.108
37 2026-08-24 05:08 639231447084631185
49 ms 58.205.196.4
36 2026-08-24 05:08 639231447084631185
49 ms 103.21.140.3
35 2026-08-24 05:08 639231447084631185
49 ms 47.108.213.108
34 2026-08-24 04:51 639231437208519473
17 ms 47.108.213.108
33 2026-08-24 04:51 639231437208519473
17 ms 58.205.196.4
32 2026-08-24 04:51 639231437208519473
17 ms 103.21.140.3
31 2026-08-24 04:35 639231427209627490
-
30 2026-08-24 03:42 639231395791246644
57 ms 103.21.140.3
29 2026-08-24 03:42 639231395791246644
57 ms 58.205.196.4
28 2026-08-24 03:42 639231395791246644
57 ms 47.108.213.108
27 2026-08-24 03:26 639231386075551458
2591 ms 58.205.196.4
26 2026-08-24 03:26 639231386075551458
2591 ms 103.21.140.3
25 2026-08-24 03:26 639231386075551458
2591 ms 47.108.213.108
24 2026-08-24 03:10 639231376208713791
22 ms 47.108.213.108
23 2026-08-24 03:10 639231376208713791
22 ms 58.205.196.4
22 2026-08-24 03:10 639231376208713791
22 ms 103.21.140.3
21 2026-08-24 02:53 639231366170589276
47 ms 103.21.140.3
20 2026-08-24 02:53 639231366170589276
47 ms 58.205.196.4
19 2026-08-24 02:53 639231366170589276
47 ms 47.108.213.108
18 2026-08-24 02:01 639231334732159368
57 ms 47.108.213.108
17 2026-08-24 02:01 639231334732159368
57 ms 58.205.196.4
16 2026-08-24 02:01 639231334732159368
57 ms 103.21.140.3
15 2026-08-24 01:44 639231325035670078
54 ms 58.205.196.4
14 2026-08-24 01:44 639231325035670078
54 ms 103.21.140.3
13 2026-08-24 01:44 639231325035670078
54 ms 47.108.213.108
12 2026-08-24 01:28 639231315132253837
11 ms 103.21.140.3
11 2026-08-24 01:28 639231315132253837
11 ms 47.108.213.108
10 2026-08-24 01:28 639231315132253837
11 ms 58.205.196.4
9 2026-08-24 01:11 639231305014280808
70 ms 47.108.213.108
8 2026-08-24 01:11 639231305014280808
70 ms 103.21.140.3
7 2026-08-24 01:11 639231305014280808
70 ms 58.205.196.4
6 2026-08-24 00:19 639231273779380675
58 ms 47.108.213.108
5 2026-08-24 00:19 639231273779380675
58 ms 58.205.196.4
4 2026-08-24 00:19 639231273779380675
58 ms 103.21.140.3
3 2026-08-24 00:03 639231264180839154
71 ms 103.21.140.3
2 2026-08-24 00:03 639231264180839154
71 ms 58.205.196.4
1 2026-08-24 00:03 639231264180839154
71 ms 47.108.213.108