DNS response history for ns1.sinacloud.com

ns1.sinacloud.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 2026-08-22. For this date, NameServerHistory found 222 DNS check records, 222 successful responses, 0 failed responses, and 944 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 ns1.sinacloud.com.
Records on Selected Date

222

Historical checks stored for this nameserver on selected date

Average Latency

944 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:45

All timestamps shown in UTC

Latest Resolved IP on Selected Date

27.221.16.36

Most recently resolved hosting IP on selected date

Successful Responses

222

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 ns1.sinacloud.com

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
222 2026-08-22 23:45 639230382051619327
2 ms 27.221.16.36
221 2026-08-22 23:45 639230382051619327
2 ms 220.181.172.233
220 2026-08-22 23:45 639230382051619327
2 ms 14.116.224.226
219 2026-08-22 23:28 639230372323353529
2 ms 27.221.16.36
218 2026-08-22 23:28 639230372323353529
2 ms 220.181.172.233
217 2026-08-22 23:28 639230372323353529
2 ms 14.116.224.226
216 2026-08-22 23:12 639230362586451064
3 ms 220.181.172.233
215 2026-08-22 23:12 639230362586451064
3 ms 14.116.224.226
214 2026-08-22 23:12 639230362586451064
3 ms 27.221.16.36
213 2026-08-22 22:56 639230352793666303
3 ms 27.221.16.36
212 2026-08-22 22:56 639230352793666303
3 ms 220.181.172.233
211 2026-08-22 22:56 639230352793666303
3 ms 14.116.224.226
210 2026-08-22 22:39 639230342775737758
3 ms 27.221.16.36
209 2026-08-22 22:39 639230342775737758
3 ms 14.116.224.226
208 2026-08-22 22:39 639230342775737758
3 ms 220.181.172.233
207 2026-08-22 22:23 639230332639939561
3 ms 27.221.16.36
206 2026-08-22 22:23 639230332639939561
3 ms 220.181.172.233
205 2026-08-22 22:23 639230332639939561
3 ms 14.116.224.226
204 2026-08-22 21:30 639230301014190104
3 ms 27.221.16.36
203 2026-08-22 21:30 639230301014190104
3 ms 220.181.172.233
202 2026-08-22 21:30 639230301014190104
3 ms 14.116.224.226
201 2026-08-22 21:13 639230291048161498
2009 ms 14.116.224.226
200 2026-08-22 21:13 639230291048161498
2009 ms 220.181.172.233
199 2026-08-22 21:13 639230291048161498
2009 ms 27.221.16.36
198 2026-08-22 20:57 639230280894353664
2248 ms 27.221.16.36
197 2026-08-22 20:57 639230280894353664
2248 ms 220.181.172.233
196 2026-08-22 20:57 639230280894353664
2248 ms 14.116.224.226
195 2026-08-22 20:40 639230270699419073
4 ms 27.221.16.36
194 2026-08-22 20:40 639230270699419073
4 ms 14.116.224.226
193 2026-08-22 20:40 639230270699419073
4 ms 220.181.172.233
192 2026-08-22 20:23 639230260248163050
2009 ms 14.116.224.226
191 2026-08-22 20:23 639230260248163050
2009 ms 27.221.16.36
190 2026-08-22 20:23 639230260248163050
2009 ms 220.181.172.233
189 2026-08-22 20:05 639230250122494282
2020 ms 27.221.16.36
188 2026-08-22 20:05 639230250122494282
2020 ms 14.116.224.226
187 2026-08-22 20:05 639230250122494282
2020 ms 220.181.172.233
186 2026-08-22 19:48 639230239972935046
3 ms 27.221.16.36
185 2026-08-22 19:48 639230239972935046
3 ms 14.116.224.226
184 2026-08-22 19:48 639230239972935046
3 ms 220.181.172.233
183 2026-08-22 19:31 639230229963262464
1855 ms 27.221.16.36
182 2026-08-22 19:31 639230229963262464
1855 ms 220.181.172.233
181 2026-08-22 19:31 639230229963262464
1855 ms 14.116.224.226
180 2026-08-22 19:15 639230220033804658
3 ms 14.116.224.226
179 2026-08-22 19:15 639230220033804658
3 ms 220.181.172.233
178 2026-08-22 19:15 639230220033804658
3 ms 27.221.16.36
177 2026-08-22 18:58 639230209891107289
4 ms 27.221.16.36
176 2026-08-22 18:58 639230209891107289
4 ms 14.116.224.226
175 2026-08-22 18:58 639230209891107289
4 ms 220.181.172.233
174 2026-08-22 18:41 639230199630298717
4 ms 27.221.16.36
173 2026-08-22 18:41 639230199630298717
4 ms 14.116.224.226
172 2026-08-22 18:41 639230199630298717
4 ms 220.181.172.233
171 2026-08-22 18:24 639230189301984150
3 ms 27.221.16.36
170 2026-08-22 18:24 639230189301984150
3 ms 14.116.224.226
169 2026-08-22 18:24 639230189301984150
3 ms 220.181.172.233
168 2026-08-22 17:30 639230157138468804
4 ms 27.221.16.36
167 2026-08-22 17:30 639230157138468804
4 ms 14.116.224.226
166 2026-08-22 17:30 639230157138468804
4 ms 220.181.172.233
165 2026-08-22 17:13 639230146987869495
2332 ms 220.181.172.233
164 2026-08-22 17:13 639230146987869495
2332 ms 27.221.16.36
163 2026-08-22 17:13 639230146987869495
2332 ms 14.116.224.226
162 2026-08-22 16:57 639230136768638516
2339 ms 220.181.172.233
161 2026-08-22 16:57 639230136768638516
2339 ms 27.221.16.36
160 2026-08-22 16:57 639230136768638516
2339 ms 14.116.224.226
159 2026-08-22 16:40 639230126735907877
2013 ms 27.221.16.36
158 2026-08-22 16:40 639230126735907877
2013 ms 14.116.224.226
157 2026-08-22 16:40 639230126735907877
2013 ms 220.181.172.233
156 2026-08-22 16:23 639230116551187768
1462 ms 14.116.224.226
155 2026-08-22 16:23 639230116551187768
1462 ms 220.181.172.233
154 2026-08-22 16:23 639230116551187768
1462 ms 27.221.16.36
153 2026-08-22 16:06 639230106335615913
2031 ms 27.221.16.36
152 2026-08-22 16:06 639230106335615913
2031 ms 220.181.172.233
151 2026-08-22 16:06 639230106335615913
2031 ms 14.116.224.226
150 2026-08-22 15:49 639230096177758176
5 ms 27.221.16.36
149 2026-08-22 15:49 639230096177758176
5 ms 14.116.224.226
148 2026-08-22 15:49 639230096177758176
5 ms 220.181.172.233
147 2026-08-22 15:32 639230086185999993
3 ms 14.116.224.226
146 2026-08-22 15:32 639230086185999993
3 ms 220.181.172.233
145 2026-08-22 15:32 639230086185999993
3 ms 27.221.16.36
144 2026-08-22 15:15 639230076247854903
2020 ms 220.181.172.233
143 2026-08-22 15:15 639230076247854903
2020 ms 27.221.16.36
142 2026-08-22 15:15 639230076247854903
2020 ms 14.116.224.226
141 2026-08-22 14:59 639230066076077530
1453 ms 14.116.224.226
140 2026-08-22 14:59 639230066076077530
1453 ms 220.181.172.233
139 2026-08-22 14:59 639230066076077530
1453 ms 27.221.16.36
138 2026-08-22 14:42 639230055738197328
5 ms 220.181.172.233
137 2026-08-22 14:42 639230055738197328
5 ms 27.221.16.36
136 2026-08-22 14:42 639230055738197328
5 ms 14.116.224.226
135 2026-08-22 14:24 639230045411225521
3 ms 14.116.224.226
134 2026-08-22 14:24 639230045411225521
3 ms 220.181.172.233
133 2026-08-22 14:24 639230045411225521
3 ms 27.221.16.36
132 2026-08-22 13:30 639230013046000470
2032 ms 220.181.172.233
131 2026-08-22 13:30 639230013046000470
2032 ms 27.221.16.36
130 2026-08-22 13:30 639230013046000470
2032 ms 14.116.224.226
129 2026-08-22 13:13 639230003090037878
4 ms 27.221.16.36
128 2026-08-22 13:13 639230003090037878
4 ms 220.181.172.233
127 2026-08-22 13:13 639230003090037878
4 ms 14.116.224.226
126 2026-08-22 12:57 639229993008259475
2009 ms 27.221.16.36
125 2026-08-22 12:57 639229993008259475
2009 ms 220.181.172.233
124 2026-08-22 12:57 639229993008259475
2009 ms 14.116.224.226
123 2026-08-22 12:40 639229982909449470
2032 ms 220.181.172.233
122 2026-08-22 12:40 639229982909449470
2032 ms 27.221.16.36
121 2026-08-22 12:40 639229982909449470
2032 ms 14.116.224.226
120 2026-08-22 12:23 639229973035502212
2584 ms 27.221.16.36
119 2026-08-22 12:23 639229973035502212
2584 ms 220.181.172.233
118 2026-08-22 12:23 639229973035502212
2584 ms 14.116.224.226
117 2026-08-22 12:07 639229963064296145
2311 ms 27.221.16.36
116 2026-08-22 12:07 639229963064296145
2311 ms 220.181.172.233
115 2026-08-22 12:07 639229963064296145
2311 ms 14.116.224.226
114 2026-08-22 11:50 639229952996162143
2247 ms 27.221.16.36
113 2026-08-22 11:50 639229952996162143
2247 ms 220.181.172.233
112 2026-08-22 11:50 639229952996162143
2247 ms 14.116.224.226
111 2026-08-22 11:33 639229943051949195
2009 ms 14.116.224.226
110 2026-08-22 11:33 639229943051949195
2009 ms 220.181.172.233
109 2026-08-22 11:33 639229943051949195
2009 ms 27.221.16.36
108 2026-08-22 11:17 639229932919214934
1487 ms 220.181.172.233
107 2026-08-22 11:17 639229932919214934
1487 ms 14.116.224.226
106 2026-08-22 11:17 639229932919214934
1487 ms 27.221.16.36
105 2026-08-22 11:00 639229922745889838
2157 ms 14.116.224.226
104 2026-08-22 11:00 639229922745889838
2157 ms 220.181.172.233
103 2026-08-22 11:00 639229922745889838
2157 ms 27.221.16.36
102 2026-08-22 10:43 639229912587214796
4350 ms 220.181.172.233
101 2026-08-22 10:43 639229912587214796
4350 ms 27.221.16.36
100 2026-08-22 10:43 639229912587214796
4350 ms 14.116.224.226
99 2026-08-22 10:26 639229902240004454
2031 ms 220.181.172.233
98 2026-08-22 10:26 639229902240004454
2031 ms 27.221.16.36
97 2026-08-22 10:26 639229902240004454
2031 ms 14.116.224.226
96 2026-08-22 09:33 639229870800501662
4348 ms 220.181.172.233
95 2026-08-22 09:33 639229870800501662
4348 ms 27.221.16.36
94 2026-08-22 09:33 639229870800501662
4348 ms 14.116.224.226
93 2026-08-22 09:16 639229861058384956
3 ms 27.221.16.36
92 2026-08-22 09:16 639229861058384956
3 ms 14.116.224.226
91 2026-08-22 09:16 639229861058384956
3 ms 220.181.172.233
90 2026-08-22 09:00 639229851158592604
3 ms 220.181.172.233
89 2026-08-22 09:00 639229851158592604
3 ms 27.221.16.36
88 2026-08-22 09:00 639229851158592604
3 ms 14.116.224.226
87 2026-08-22 08:44 639229841475569629
2032 ms 14.116.224.226
86 2026-08-22 08:44 639229841475569629
2032 ms 27.221.16.36
85 2026-08-22 08:44 639229841475569629
2032 ms 220.181.172.233
84 2026-08-22 08:27 639229831887658471
3 ms 27.221.16.36
83 2026-08-22 08:27 639229831887658471
3 ms 14.116.224.226
82 2026-08-22 08:27 639229831887658471
3 ms 220.181.172.233
81 2026-08-22 08:11 639229822043670346
3 ms 27.221.16.36
80 2026-08-22 08:11 639229822043670346
3 ms 14.116.224.226
79 2026-08-22 08:11 639229822043670346
3 ms 220.181.172.233
78 2026-08-22 07:55 639229812327913936
2030 ms 220.181.172.233
77 2026-08-22 07:55 639229812327913936
2030 ms 27.221.16.36
76 2026-08-22 07:55 639229812327913936
2030 ms 14.116.224.226
75 2026-08-22 07:39 639229802629488686
2 ms 27.221.16.36
74 2026-08-22 07:39 639229802629488686
2 ms 14.116.224.226
73 2026-08-22 07:39 639229802629488686
2 ms 220.181.172.233
72 2026-08-22 07:23 639229793051447309
7 ms 27.221.16.36
71 2026-08-22 07:23 639229793051447309
7 ms 14.116.224.226
70 2026-08-22 07:23 639229793051447309
7 ms 220.181.172.233
69 2026-08-22 07:07 639229783303531961
5 ms 14.116.224.226
68 2026-08-22 07:07 639229783303531961
5 ms 220.181.172.233
67 2026-08-22 07:07 639229783303531961
5 ms 27.221.16.36
66 2026-08-22 06:50 639229773458051942
2031 ms 14.116.224.226
65 2026-08-22 06:50 639229773458051942
2031 ms 27.221.16.36
64 2026-08-22 06:50 639229773458051942
2031 ms 220.181.172.233
63 2026-08-22 06:34 639229763373848056
2033 ms 220.181.172.233
62 2026-08-22 06:34 639229763373848056
2033 ms 27.221.16.36
61 2026-08-22 06:34 639229763373848056
2033 ms 14.116.224.226
60 2026-08-22 05:41 639229732140622809
3 ms 220.181.172.233
59 2026-08-22 05:41 639229732140622809
3 ms 27.221.16.36
58 2026-08-22 05:41 639229732140622809
3 ms 14.116.224.226
57 2026-08-22 05:25 639229722699695967
8 ms 220.181.172.233
56 2026-08-22 05:25 639229722699695967
8 ms 27.221.16.36
55 2026-08-22 05:25 639229722699695967
8 ms 14.116.224.226
54 2026-08-22 05:09 639229713097498075
3 ms 220.181.172.233
53 2026-08-22 05:09 639229713097498075
3 ms 27.221.16.36
52 2026-08-22 05:09 639229713097498075
3 ms 14.116.224.226
51 2026-08-22 04:54 639229703543969637
4248 ms 220.181.172.233
50 2026-08-22 04:54 639229703543969637
4248 ms 27.221.16.36
49 2026-08-22 04:54 639229703543969637
4248 ms 14.116.224.226
48 2026-08-22 04:38 639229693970392873
3 ms 14.116.224.226
47 2026-08-22 04:38 639229693970392873
3 ms 220.181.172.233
46 2026-08-22 04:38 639229693970392873
3 ms 27.221.16.36
45 2026-08-22 04:22 639229684277329469
11 ms 220.181.172.233
44 2026-08-22 04:22 639229684277329469
11 ms 27.221.16.36
43 2026-08-22 04:22 639229684277329469
11 ms 14.116.224.226
42 2026-08-22 04:05 639229674501596661
3 ms 14.116.224.226
41 2026-08-22 04:05 639229674501596661
3 ms 220.181.172.233
40 2026-08-22 04:05 639229674501596661
3 ms 27.221.16.36
39 2026-08-22 03:49 639229665064441147
7 ms 220.181.172.233
38 2026-08-22 03:49 639229665064441147
7 ms 27.221.16.36
37 2026-08-22 03:49 639229665064441147
7 ms 14.116.224.226
36 2026-08-22 03:33 639229655507536872
3 ms 220.181.172.233
35 2026-08-22 03:33 639229655507536872
3 ms 27.221.16.36
34 2026-08-22 03:33 639229655507536872
3 ms 14.116.224.226
33 2026-08-22 03:17 639229645849603111
32 ms 14.116.224.226
32 2026-08-22 03:17 639229645849603111
32 ms 27.221.16.36
31 2026-08-22 03:17 639229645849603111
32 ms 220.181.172.233
30 2026-08-22 03:01 639229636090497453
1721 ms 27.221.16.36
29 2026-08-22 03:01 639229636090497453
1721 ms 14.116.224.226
28 2026-08-22 03:01 639229636090497453
1721 ms 220.181.172.233
27 2026-08-22 02:45 639229625978544281
2171 ms 27.221.16.36
26 2026-08-22 02:45 639229625978544281
2171 ms 14.116.224.226
25 2026-08-22 02:45 639229625978544281
2171 ms 220.181.172.233
24 2026-08-22 01:52 639229594644662176
3 ms 220.181.172.233
23 2026-08-22 01:52 639229594644662176
3 ms 27.221.16.36
22 2026-08-22 01:52 639229594644662176
3 ms 14.116.224.226
21 2026-08-22 01:36 639229585214633065
2 ms 220.181.172.233
20 2026-08-22 01:36 639229585214633065
2 ms 27.221.16.36
19 2026-08-22 01:36 639229585214633065
2 ms 14.116.224.226
18 2026-08-22 01:20 639229575581042175
11 ms 220.181.172.233
17 2026-08-22 01:20 639229575581042175
11 ms 14.116.224.226
16 2026-08-22 01:20 639229575581042175
11 ms 27.221.16.36
15 2026-08-22 01:04 639229565912268962
3 ms 14.116.224.226
14 2026-08-22 01:04 639229565912268962
3 ms 220.181.172.233
13 2026-08-22 01:04 639229565912268962
3 ms 27.221.16.36
12 2026-08-22 00:48 639229556237813203
3 ms 14.116.224.226
11 2026-08-22 00:48 639229556237813203
3 ms 220.181.172.233
10 2026-08-22 00:48 639229556237813203
3 ms 27.221.16.36
9 2026-08-22 00:32 639229546625802518
2 ms 27.221.16.36
8 2026-08-22 00:32 639229546625802518
2 ms 14.116.224.226
7 2026-08-22 00:32 639229546625802518
2 ms 220.181.172.233
6 2026-08-22 00:16 639229537172016621
3 ms 27.221.16.36
5 2026-08-22 00:16 639229537172016621
3 ms 14.116.224.226
4 2026-08-22 00:16 639229537172016621
3 ms 220.181.172.233
3 2026-08-22 00:00 639229527598660841
3 ms 14.116.224.226
2 2026-08-22 00:00 639229527598660841
3 ms 220.181.172.233
1 2026-08-22 00:00 639229527598660841
3 ms 27.221.16.36