DNS response history for ns2.chengft.com

ns2.chengft.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 343 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.chengft.com.
Records on Selected Date

222

Historical checks stored for this nameserver on selected date

Average Latency

343 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:59

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.237.129.242

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 ns2.chengft.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 23:59 639230391807229016
2 ms 172.237.129.242
221 2026-08-22 23:59 639230391807229016
2 ms 172.237.129.236
220 2026-08-22 23:59 639230391807229016
2 ms 172.237.129.108
219 2026-08-22 23:43 639230382051619327
447 ms 172.237.129.108
218 2026-08-22 23:43 639230382051619327
447 ms 172.237.129.242
217 2026-08-22 23:43 639230382051619327
447 ms 172.237.129.236
216 2026-08-22 23:26 639230372323353529
2 ms 172.237.129.236
215 2026-08-22 23:26 639230372323353529
2 ms 172.237.129.108
214 2026-08-22 23:26 639230372323353529
2 ms 172.237.129.242
213 2026-08-22 23:10 639230362586451064
3 ms 172.237.129.108
212 2026-08-22 23:10 639230362586451064
3 ms 172.237.129.242
211 2026-08-22 23:10 639230362586451064
3 ms 172.237.129.236
210 2026-08-22 22:54 639230352793666303
469 ms 172.237.129.108
209 2026-08-22 22:54 639230352793666303
469 ms 172.237.129.242
208 2026-08-22 22:54 639230352793666303
469 ms 172.237.129.236
207 2026-08-22 22:37 639230342775737758
305 ms 172.237.129.236
206 2026-08-22 22:37 639230342775737758
305 ms 172.237.129.108
205 2026-08-22 22:37 639230342775737758
305 ms 172.237.129.242
204 2026-08-22 22:21 639230332639939561
470 ms 172.237.129.236
203 2026-08-22 22:21 639230332639939561
470 ms 172.237.129.108
202 2026-08-22 22:21 639230332639939561
470 ms 172.237.129.242
201 2026-08-22 21:28 639230301014190104
462 ms 172.237.129.236
200 2026-08-22 21:28 639230301014190104
462 ms 172.237.129.108
199 2026-08-22 21:28 639230301014190104
462 ms 172.237.129.242
198 2026-08-22 21:11 639230291048161498
467 ms 172.237.129.236
197 2026-08-22 21:11 639230291048161498
467 ms 172.237.129.242
196 2026-08-22 21:11 639230291048161498
467 ms 172.237.129.108
195 2026-08-22 20:54 639230280894353664
116 ms 172.237.129.108
194 2026-08-22 20:54 639230280894353664
116 ms 172.237.129.236
193 2026-08-22 20:54 639230280894353664
116 ms 172.237.129.242
192 2026-08-22 20:37 639230270699419073
309 ms 172.237.129.108
191 2026-08-22 20:37 639230270699419073
309 ms 172.237.129.242
190 2026-08-22 20:37 639230270699419073
309 ms 172.237.129.236
189 2026-08-22 20:20 639230260248163050
440 ms 172.237.129.242
188 2026-08-22 20:20 639230260248163050
440 ms 172.237.129.236
187 2026-08-22 20:20 639230260248163050
440 ms 172.237.129.108
186 2026-08-22 20:03 639230250122494282
305 ms 172.237.129.242
185 2026-08-22 20:03 639230250122494282
305 ms 172.237.129.236
184 2026-08-22 20:03 639230250122494282
305 ms 172.237.129.108
183 2026-08-22 19:46 639230239972935046
311 ms 172.237.129.242
182 2026-08-22 19:46 639230239972935046
311 ms 172.237.129.108
181 2026-08-22 19:46 639230239972935046
311 ms 172.237.129.236
180 2026-08-22 19:29 639230229963262464
235 ms 172.237.129.242
179 2026-08-22 19:29 639230229963262464
235 ms 172.237.129.236
178 2026-08-22 19:29 639230229963262464
235 ms 172.237.129.108
177 2026-08-22 19:13 639230220033804658
448 ms 172.237.129.242
176 2026-08-22 19:13 639230220033804658
448 ms 172.237.129.108
175 2026-08-22 19:13 639230220033804658
448 ms 172.237.129.236
174 2026-08-22 18:56 639230209891107289
449 ms 172.237.129.242
173 2026-08-22 18:56 639230209891107289
449 ms 172.237.129.108
172 2026-08-22 18:56 639230209891107289
449 ms 172.237.129.236
171 2026-08-22 18:39 639230199630298717
482 ms 172.237.129.242
170 2026-08-22 18:39 639230199630298717
482 ms 172.237.129.108
169 2026-08-22 18:39 639230199630298717
482 ms 172.237.129.236
168 2026-08-22 18:22 639230189301984150
159 ms 172.237.129.236
167 2026-08-22 18:22 639230189301984150
159 ms 172.237.129.242
166 2026-08-22 18:22 639230189301984150
159 ms 172.237.129.108
165 2026-08-22 17:28 639230157138468804
309 ms 172.237.129.242
164 2026-08-22 17:28 639230157138468804
309 ms 172.237.129.236
163 2026-08-22 17:28 639230157138468804
309 ms 172.237.129.108
162 2026-08-22 17:11 639230146987869495
319 ms 172.237.129.236
161 2026-08-22 17:11 639230146987869495
319 ms 172.237.129.108
160 2026-08-22 17:11 639230146987869495
319 ms 172.237.129.242
159 2026-08-22 16:54 639230136768638516
466 ms 172.237.129.242
158 2026-08-22 16:54 639230136768638516
466 ms 172.237.129.236
157 2026-08-22 16:54 639230136768638516
466 ms 172.237.129.108
156 2026-08-22 16:37 639230126735907877
3 ms 172.237.129.108
155 2026-08-22 16:37 639230126735907877
3 ms 172.237.129.242
154 2026-08-22 16:37 639230126735907877
3 ms 172.237.129.236
153 2026-08-22 16:20 639230116551187768
4 ms 172.237.129.236
152 2026-08-22 16:20 639230116551187768
4 ms 172.237.129.108
151 2026-08-22 16:20 639230116551187768
4 ms 172.237.129.242
150 2026-08-22 16:03 639230106335615913
463 ms 172.237.129.242
149 2026-08-22 16:03 639230106335615913
463 ms 172.237.129.236
148 2026-08-22 16:03 639230106335615913
463 ms 172.237.129.108
147 2026-08-22 15:46 639230096177758176
496 ms 172.237.129.236
146 2026-08-22 15:46 639230096177758176
496 ms 172.237.129.108
145 2026-08-22 15:46 639230096177758176
496 ms 172.237.129.242
144 2026-08-22 15:30 639230086185999993
539 ms 172.237.129.236
143 2026-08-22 15:30 639230086185999993
539 ms 172.237.129.242
142 2026-08-22 15:30 639230086185999993
539 ms 172.237.129.108
141 2026-08-22 15:13 639230076247854903
442 ms 172.237.129.236
140 2026-08-22 15:13 639230076247854903
442 ms 172.237.129.242
139 2026-08-22 15:13 639230076247854903
442 ms 172.237.129.108
138 2026-08-22 14:56 639230066076077530
473 ms 172.237.129.236
137 2026-08-22 14:56 639230066076077530
473 ms 172.237.129.242
136 2026-08-22 14:56 639230066076077530
473 ms 172.237.129.108
135 2026-08-22 14:39 639230055738197328
456 ms 172.237.129.236
134 2026-08-22 14:39 639230055738197328
456 ms 172.237.129.242
133 2026-08-22 14:39 639230055738197328
456 ms 172.237.129.108
132 2026-08-22 14:22 639230045411225521
453 ms 172.237.129.236
131 2026-08-22 14:22 639230045411225521
453 ms 172.237.129.242
130 2026-08-22 14:22 639230045411225521
453 ms 172.237.129.108
129 2026-08-22 13:28 639230013046000470
321 ms 172.237.129.236
128 2026-08-22 13:28 639230013046000470
321 ms 172.237.129.242
127 2026-08-22 13:28 639230013046000470
321 ms 172.237.129.108
126 2026-08-22 13:11 639230003090037878
5 ms 172.237.129.108
125 2026-08-22 13:11 639230003090037878
5 ms 172.237.129.242
124 2026-08-22 13:11 639230003090037878
5 ms 172.237.129.236
123 2026-08-22 12:54 639229993008259475
256 ms 172.237.129.242
122 2026-08-22 12:54 639229993008259475
256 ms 172.237.129.108
121 2026-08-22 12:54 639229993008259475
256 ms 172.237.129.236
120 2026-08-22 12:38 639229982909449470
468 ms 172.237.129.242
119 2026-08-22 12:38 639229982909449470
468 ms 172.237.129.236
118 2026-08-22 12:38 639229982909449470
468 ms 172.237.129.108
117 2026-08-22 12:21 639229973035502212
299 ms 172.237.129.108
116 2026-08-22 12:21 639229973035502212
299 ms 172.237.129.242
115 2026-08-22 12:21 639229973035502212
299 ms 172.237.129.236
114 2026-08-22 12:04 639229963064296145
310 ms 172.237.129.242
113 2026-08-22 12:04 639229963064296145
310 ms 172.237.129.236
112 2026-08-22 12:04 639229963064296145
310 ms 172.237.129.108
111 2026-08-22 11:48 639229952996162143
490 ms 172.237.129.242
110 2026-08-22 11:48 639229952996162143
490 ms 172.237.129.236
109 2026-08-22 11:48 639229952996162143
490 ms 172.237.129.108
108 2026-08-22 11:31 639229943051949195
160 ms 172.237.129.108
107 2026-08-22 11:31 639229943051949195
160 ms 172.237.129.242
106 2026-08-22 11:31 639229943051949195
160 ms 172.237.129.236
105 2026-08-22 11:14 639229932919214934
453 ms 172.237.129.108
104 2026-08-22 11:14 639229932919214934
453 ms 172.237.129.242
103 2026-08-22 11:14 639229932919214934
453 ms 172.237.129.236
102 2026-08-22 10:57 639229922745889838
456 ms 172.237.129.108
101 2026-08-22 10:57 639229922745889838
456 ms 172.237.129.242
100 2026-08-22 10:57 639229922745889838
456 ms 172.237.129.236
99 2026-08-22 10:40 639229912587214796
454 ms 172.237.129.108
98 2026-08-22 10:40 639229912587214796
454 ms 172.237.129.242
97 2026-08-22 10:40 639229912587214796
454 ms 172.237.129.236
96 2026-08-22 10:23 639229902240004454
303 ms 172.237.129.108
95 2026-08-22 10:23 639229902240004454
303 ms 172.237.129.242
94 2026-08-22 10:23 639229902240004454
303 ms 172.237.129.236
93 2026-08-22 09:31 639229870800501662
4 ms 172.237.129.236
92 2026-08-22 09:31 639229870800501662
4 ms 172.237.129.242
91 2026-08-22 09:31 639229870800501662
4 ms 172.237.129.108
90 2026-08-22 09:14 639229861058384956
467 ms 172.237.129.236
89 2026-08-22 09:14 639229861058384956
467 ms 172.237.129.242
88 2026-08-22 09:14 639229861058384956
467 ms 172.237.129.108
87 2026-08-22 08:58 639229851158592604
452 ms 172.237.129.236
86 2026-08-22 08:58 639229851158592604
452 ms 172.237.129.242
85 2026-08-22 08:58 639229851158592604
452 ms 172.237.129.108
84 2026-08-22 08:42 639229841475569629
244 ms 172.237.129.242
83 2026-08-22 08:42 639229841475569629
244 ms 172.237.129.236
82 2026-08-22 08:42 639229841475569629
244 ms 172.237.129.108
81 2026-08-22 08:26 639229831887658471
166 ms 172.237.129.108
80 2026-08-22 08:26 639229831887658471
166 ms 172.237.129.236
79 2026-08-22 08:26 639229831887658471
166 ms 172.237.129.242
78 2026-08-22 08:10 639229822043670346
3 ms 172.237.129.242
77 2026-08-22 08:10 639229822043670346
3 ms 172.237.129.108
76 2026-08-22 08:10 639229822043670346
3 ms 172.237.129.236
75 2026-08-22 07:53 639229812327913936
456 ms 172.237.129.242
74 2026-08-22 07:53 639229812327913936
456 ms 172.237.129.108
73 2026-08-22 07:53 639229812327913936
456 ms 172.237.129.236
72 2026-08-22 07:37 639229802629488686
456 ms 172.237.129.242
71 2026-08-22 07:37 639229802629488686
456 ms 172.237.129.108
70 2026-08-22 07:37 639229802629488686
456 ms 172.237.129.236
69 2026-08-22 07:21 639229793051447309
238 ms 172.237.129.236
68 2026-08-22 07:21 639229793051447309
238 ms 172.237.129.108
67 2026-08-22 07:21 639229793051447309
238 ms 172.237.129.242
66 2026-08-22 07:05 639229783303531961
3 ms 172.237.129.108
65 2026-08-22 07:05 639229783303531961
3 ms 172.237.129.236
64 2026-08-22 07:05 639229783303531961
3 ms 172.237.129.242
63 2026-08-22 06:48 639229773458051942
3 ms 172.237.129.242
62 2026-08-22 06:48 639229773458051942
3 ms 172.237.129.108
61 2026-08-22 06:48 639229773458051942
3 ms 172.237.129.236
60 2026-08-22 06:32 639229763373848056
462 ms 172.237.129.236
59 2026-08-22 06:32 639229763373848056
462 ms 172.237.129.242
58 2026-08-22 06:32 639229763373848056
462 ms 172.237.129.108
57 2026-08-22 05:39 639229732140622809
223 ms 172.237.129.242
56 2026-08-22 05:39 639229732140622809
223 ms 172.237.129.108
55 2026-08-22 05:39 639229732140622809
223 ms 172.237.129.236
54 2026-08-22 05:23 639229722699695967
166 ms 172.237.129.242
53 2026-08-22 05:23 639229722699695967
166 ms 172.237.129.108
52 2026-08-22 05:23 639229722699695967
166 ms 172.237.129.236
51 2026-08-22 05:08 639229713097498075
295 ms 172.237.129.108
50 2026-08-22 05:08 639229713097498075
295 ms 172.237.129.236
49 2026-08-22 05:08 639229713097498075
295 ms 172.237.129.242
48 2026-08-22 04:52 639229703543969637
468 ms 172.237.129.108
47 2026-08-22 04:52 639229703543969637
468 ms 172.237.129.236
46 2026-08-22 04:52 639229703543969637
468 ms 172.237.129.242
45 2026-08-22 04:36 639229693970392873
460 ms 172.237.129.108
44 2026-08-22 04:36 639229693970392873
460 ms 172.237.129.236
43 2026-08-22 04:36 639229693970392873
460 ms 172.237.129.242
42 2026-08-22 04:20 639229684277329469
3 ms 172.237.129.242
41 2026-08-22 04:20 639229684277329469
3 ms 172.237.129.108
40 2026-08-22 04:20 639229684277329469
3 ms 172.237.129.236
39 2026-08-22 04:03 639229674501596661
474 ms 172.237.129.236
38 2026-08-22 04:03 639229674501596661
474 ms 172.237.129.108
37 2026-08-22 04:03 639229674501596661
474 ms 172.237.129.242
36 2026-08-22 03:47 639229665064441147
451 ms 172.237.129.108
35 2026-08-22 03:47 639229665064441147
451 ms 172.237.129.236
34 2026-08-22 03:47 639229665064441147
451 ms 172.237.129.242
33 2026-08-22 03:31 639229655507536872
463 ms 172.237.129.242
32 2026-08-22 03:31 639229655507536872
463 ms 172.237.129.108
31 2026-08-22 03:31 639229655507536872
463 ms 172.237.129.236
30 2026-08-22 03:16 639229645849603111
243 ms 172.237.129.108
29 2026-08-22 03:16 639229645849603111
243 ms 172.237.129.236
28 2026-08-22 03:16 639229645849603111
243 ms 172.237.129.242
27 2026-08-22 02:59 639229636090497453
429 ms 172.237.129.242
26 2026-08-22 02:59 639229636090497453
429 ms 172.237.129.236
25 2026-08-22 02:59 639229636090497453
429 ms 172.237.129.108
24 2026-08-22 02:43 639229625978544281
321 ms 172.237.129.242
23 2026-08-22 02:43 639229625978544281
321 ms 172.237.129.108
22 2026-08-22 02:43 639229625978544281
321 ms 172.237.129.236
21 2026-08-22 01:50 639229594644662176
229 ms 172.237.129.108
20 2026-08-22 01:50 639229594644662176
229 ms 172.237.129.242
19 2026-08-22 01:50 639229594644662176
229 ms 172.237.129.236
18 2026-08-22 01:34 639229585214633065
231 ms 172.237.129.242
17 2026-08-22 01:34 639229585214633065
231 ms 172.237.129.236
16 2026-08-22 01:34 639229585214633065
231 ms 172.237.129.108
15 2026-08-22 01:19 639229575581042175
225 ms 172.237.129.108
14 2026-08-22 01:19 639229575581042175
225 ms 172.237.129.242
13 2026-08-22 01:19 639229575581042175
225 ms 172.237.129.236
12 2026-08-22 01:02 639229565912268962
466 ms 172.237.129.236
11 2026-08-22 01:02 639229565912268962
466 ms 172.237.129.108
10 2026-08-22 01:02 639229565912268962
466 ms 172.237.129.242
9 2026-08-22 00:46 639229556237813203
473 ms 172.237.129.236
8 2026-08-22 00:46 639229556237813203
473 ms 172.237.129.108
7 2026-08-22 00:46 639229556237813203
473 ms 172.237.129.242
6 2026-08-22 00:30 639229546625802518
474 ms 172.237.129.236
5 2026-08-22 00:30 639229546625802518
474 ms 172.237.129.108
4 2026-08-22 00:30 639229546625802518
474 ms 172.237.129.242
3 2026-08-22 00:14 639229537172016621
2031 ms 172.237.129.108
2 2026-08-22 00:14 639229537172016621
2031 ms 172.237.129.236
1 2026-08-22 00:14 639229537172016621
2031 ms 172.237.129.242