DNS response history for nsb.qcweb.org

nsb.qcweb.org 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 289 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 nsb.qcweb.org.
Records on Selected Date

222

Historical checks stored for this nameserver on selected date

Average Latency

289 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:57

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.233.50.75

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 nsb.qcweb.org

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 23:57 639230391807229016
3 ms 172.233.50.75
221 2026-08-22 23:57 639230391807229016
3 ms 172.104.238.151
220 2026-08-22 23:57 639230391807229016
3 ms 139.162.195.230
219 2026-08-22 23:41 639230382051619327
14 ms 172.233.50.75
218 2026-08-22 23:41 639230382051619327
14 ms 139.162.195.230
217 2026-08-22 23:41 639230382051619327
14 ms 172.104.238.151
216 2026-08-22 23:24 639230372323353529
34 ms 139.162.195.230
215 2026-08-22 23:24 639230372323353529
34 ms 172.233.50.75
214 2026-08-22 23:24 639230372323353529
34 ms 172.104.238.151
213 2026-08-22 23:08 639230362586451064
2027 ms 172.104.238.151
212 2026-08-22 23:08 639230362586451064
2027 ms 139.162.195.230
211 2026-08-22 23:08 639230362586451064
2027 ms 172.233.50.75
210 2026-08-22 22:52 639230352793666303
20 ms 172.104.238.151
209 2026-08-22 22:52 639230352793666303
20 ms 139.162.195.230
208 2026-08-22 22:52 639230352793666303
20 ms 172.233.50.75
207 2026-08-22 22:35 639230342775737758
3 ms 172.104.238.151
206 2026-08-22 22:35 639230342775737758
3 ms 139.162.195.230
205 2026-08-22 22:35 639230342775737758
3 ms 172.233.50.75
204 2026-08-22 22:19 639230332639939561
295 ms 139.162.195.230
203 2026-08-22 22:19 639230332639939561
295 ms 172.233.50.75
202 2026-08-22 22:19 639230332639939561
295 ms 172.104.238.151
201 2026-08-22 21:26 639230301014190104
2 ms 172.104.238.151
200 2026-08-22 21:26 639230301014190104
2 ms 139.162.195.230
199 2026-08-22 21:26 639230301014190104
2 ms 172.233.50.75
198 2026-08-22 21:09 639230291048161498
46 ms 172.104.238.151
197 2026-08-22 21:09 639230291048161498
46 ms 172.233.50.75
196 2026-08-22 21:09 639230291048161498
46 ms 139.162.195.230
195 2026-08-22 20:52 639230280894353664
21 ms 139.162.195.230
194 2026-08-22 20:52 639230280894353664
21 ms 172.233.50.75
193 2026-08-22 20:52 639230280894353664
21 ms 172.104.238.151
192 2026-08-22 20:35 639230270699419073
34 ms 172.104.238.151
191 2026-08-22 20:35 639230270699419073
34 ms 139.162.195.230
190 2026-08-22 20:35 639230270699419073
34 ms 172.233.50.75
189 2026-08-22 20:18 639230260248163050
277 ms 172.233.50.75
188 2026-08-22 20:18 639230260248163050
277 ms 139.162.195.230
187 2026-08-22 20:18 639230260248163050
277 ms 172.104.238.151
186 2026-08-22 20:01 639230250122494282
46 ms 139.162.195.230
185 2026-08-22 20:01 639230250122494282
46 ms 172.104.238.151
184 2026-08-22 20:01 639230250122494282
46 ms 172.233.50.75
183 2026-08-22 19:44 639230239972935046
56 ms 172.104.238.151
182 2026-08-22 19:44 639230239972935046
56 ms 172.233.50.75
181 2026-08-22 19:44 639230239972935046
56 ms 139.162.195.230
180 2026-08-22 19:27 639230229963262464
48 ms 139.162.195.230
179 2026-08-22 19:27 639230229963262464
48 ms 172.104.238.151
178 2026-08-22 19:27 639230229963262464
48 ms 172.233.50.75
177 2026-08-22 19:11 639230220033804658
2181 ms 172.233.50.75
176 2026-08-22 19:11 639230220033804658
2181 ms 139.162.195.230
175 2026-08-22 19:11 639230220033804658
2181 ms 172.104.238.151
174 2026-08-22 18:54 639230209891107289
46 ms 139.162.195.230
173 2026-08-22 18:54 639230209891107289
46 ms 172.104.238.151
172 2026-08-22 18:54 639230209891107289
46 ms 172.233.50.75
171 2026-08-22 18:37 639230199630298717
37 ms 172.104.238.151
170 2026-08-22 18:37 639230199630298717
37 ms 139.162.195.230
169 2026-08-22 18:37 639230199630298717
37 ms 172.233.50.75
168 2026-08-22 18:20 639230189301984150
15 ms 172.104.238.151
167 2026-08-22 18:20 639230189301984150
15 ms 172.233.50.75
166 2026-08-22 18:20 639230189301984150
15 ms 139.162.195.230
165 2026-08-22 17:26 639230157138468804
171 ms 139.162.195.230
164 2026-08-22 17:26 639230157138468804
171 ms 172.104.238.151
163 2026-08-22 17:26 639230157138468804
171 ms 172.233.50.75
162 2026-08-22 17:09 639230146987869495
2205 ms 139.162.195.230
161 2026-08-22 17:09 639230146987869495
2205 ms 172.104.238.151
160 2026-08-22 17:09 639230146987869495
2205 ms 172.233.50.75
159 2026-08-22 16:52 639230136768638516
53 ms 172.233.50.75
158 2026-08-22 16:52 639230136768638516
53 ms 172.104.238.151
157 2026-08-22 16:52 639230136768638516
53 ms 139.162.195.230
156 2026-08-22 16:35 639230126735907877
39 ms 172.104.238.151
155 2026-08-22 16:35 639230126735907877
39 ms 172.233.50.75
154 2026-08-22 16:35 639230126735907877
39 ms 139.162.195.230
153 2026-08-22 16:18 639230116551187768
49 ms 172.104.238.151
152 2026-08-22 16:18 639230116551187768
49 ms 172.233.50.75
151 2026-08-22 16:18 639230116551187768
49 ms 139.162.195.230
150 2026-08-22 16:01 639230106335615913
4 ms 139.162.195.230
149 2026-08-22 16:01 639230106335615913
4 ms 172.104.238.151
148 2026-08-22 16:01 639230106335615913
4 ms 172.233.50.75
147 2026-08-22 15:44 639230096177758176
50 ms 139.162.195.230
146 2026-08-22 15:44 639230096177758176
50 ms 172.104.238.151
145 2026-08-22 15:44 639230096177758176
50 ms 172.233.50.75
144 2026-08-22 15:28 639230086185999993
20 ms 172.104.238.151
143 2026-08-22 15:28 639230086185999993
20 ms 139.162.195.230
142 2026-08-22 15:28 639230086185999993
20 ms 172.233.50.75
141 2026-08-22 15:11 639230076247854903
20 ms 139.162.195.230
140 2026-08-22 15:11 639230076247854903
20 ms 172.104.238.151
139 2026-08-22 15:11 639230076247854903
20 ms 172.233.50.75
138 2026-08-22 14:54 639230066076077530
44 ms 172.104.238.151
137 2026-08-22 14:54 639230066076077530
44 ms 172.233.50.75
136 2026-08-22 14:54 639230066076077530
44 ms 139.162.195.230
135 2026-08-22 14:37 639230055738197328
19 ms 139.162.195.230
134 2026-08-22 14:37 639230055738197328
19 ms 172.233.50.75
133 2026-08-22 14:37 639230055738197328
19 ms 172.104.238.151
132 2026-08-22 14:20 639230045411225521
64 ms 172.233.50.75
131 2026-08-22 14:20 639230045411225521
64 ms 139.162.195.230
130 2026-08-22 14:20 639230045411225521
64 ms 172.104.238.151
129 2026-08-22 13:26 639230013046000470
2009 ms 172.233.50.75
128 2026-08-22 13:26 639230013046000470
2009 ms 139.162.195.230
127 2026-08-22 13:26 639230013046000470
2009 ms 172.104.238.151
126 2026-08-22 13:09 639230003090037878
36 ms 172.104.238.151
125 2026-08-22 13:09 639230003090037878
36 ms 172.233.50.75
124 2026-08-22 13:09 639230003090037878
36 ms 139.162.195.230
123 2026-08-22 12:52 639229993008259475
22 ms 139.162.195.230
122 2026-08-22 12:52 639229993008259475
22 ms 172.233.50.75
121 2026-08-22 12:52 639229993008259475
22 ms 172.104.238.151
120 2026-08-22 12:36 639229982909449470
34 ms 172.233.50.75
119 2026-08-22 12:36 639229982909449470
34 ms 139.162.195.230
118 2026-08-22 12:36 639229982909449470
34 ms 172.104.238.151
117 2026-08-22 12:19 639229973035502212
1788 ms 139.162.195.230
116 2026-08-22 12:19 639229973035502212
1788 ms 172.233.50.75
115 2026-08-22 12:19 639229973035502212
1788 ms 172.104.238.151
114 2026-08-22 12:02 639229963064296145
43 ms 172.104.238.151
113 2026-08-22 12:02 639229963064296145
43 ms 172.233.50.75
112 2026-08-22 12:02 639229963064296145
43 ms 139.162.195.230
111 2026-08-22 11:46 639229952996162143
54 ms 139.162.195.230
110 2026-08-22 11:46 639229952996162143
54 ms 172.233.50.75
109 2026-08-22 11:46 639229952996162143
54 ms 172.104.238.151
108 2026-08-22 11:29 639229943051949195
2022 ms 139.162.195.230
107 2026-08-22 11:29 639229943051949195
2022 ms 172.104.238.151
106 2026-08-22 11:29 639229943051949195
2022 ms 172.233.50.75
105 2026-08-22 11:12 639229932919214934
155 ms 139.162.195.230
104 2026-08-22 11:12 639229932919214934
155 ms 172.104.238.151
103 2026-08-22 11:12 639229932919214934
155 ms 172.233.50.75
102 2026-08-22 10:55 639229922745889838
46 ms 139.162.195.230
101 2026-08-22 10:55 639229922745889838
46 ms 172.104.238.151
100 2026-08-22 10:55 639229922745889838
46 ms 172.233.50.75
99 2026-08-22 10:38 639229912587214796
21 ms 139.162.195.230
98 2026-08-22 10:38 639229912587214796
21 ms 172.104.238.151
97 2026-08-22 10:38 639229912587214796
21 ms 172.233.50.75
96 2026-08-22 10:21 639229902240004454
157 ms 172.104.238.151
95 2026-08-22 10:21 639229902240004454
157 ms 172.233.50.75
94 2026-08-22 10:21 639229902240004454
157 ms 139.162.195.230
93 2026-08-22 09:29 639229870800501662
1613 ms 172.233.50.75
92 2026-08-22 09:29 639229870800501662
1613 ms 172.104.238.151
91 2026-08-22 09:29 639229870800501662
1613 ms 139.162.195.230
90 2026-08-22 09:12 639229861058384956
3 ms 172.233.50.75
89 2026-08-22 09:12 639229861058384956
3 ms 172.104.238.151
88 2026-08-22 09:12 639229861058384956
3 ms 139.162.195.230
87 2026-08-22 08:56 639229851158592604
220 ms 139.162.195.230
86 2026-08-22 08:56 639229851158592604
220 ms 172.104.238.151
85 2026-08-22 08:56 639229851158592604
220 ms 172.233.50.75
84 2026-08-22 08:40 639229841475569629
22 ms 172.104.238.151
83 2026-08-22 08:40 639229841475569629
22 ms 139.162.195.230
82 2026-08-22 08:40 639229841475569629
22 ms 172.233.50.75
81 2026-08-22 08:24 639229831887658471
23 ms 172.104.238.151
80 2026-08-22 08:24 639229831887658471
23 ms 172.233.50.75
79 2026-08-22 08:24 639229831887658471
23 ms 139.162.195.230
78 2026-08-22 08:08 639229822043670346
273 ms 172.104.238.151
77 2026-08-22 08:08 639229822043670346
273 ms 172.233.50.75
76 2026-08-22 08:08 639229822043670346
273 ms 139.162.195.230
75 2026-08-22 07:51 639229812327913936
55 ms 139.162.195.230
74 2026-08-22 07:51 639229812327913936
55 ms 172.233.50.75
73 2026-08-22 07:51 639229812327913936
55 ms 172.104.238.151
72 2026-08-22 07:35 639229802629488686
333 ms 139.162.195.230
71 2026-08-22 07:35 639229802629488686
333 ms 172.104.238.151
70 2026-08-22 07:35 639229802629488686
333 ms 172.233.50.75
69 2026-08-22 07:19 639229793051447309
20 ms 172.233.50.75
68 2026-08-22 07:19 639229793051447309
20 ms 139.162.195.230
67 2026-08-22 07:19 639229793051447309
20 ms 172.104.238.151
66 2026-08-22 07:03 639229783303531961
60 ms 139.162.195.230
65 2026-08-22 07:03 639229783303531961
60 ms 172.233.50.75
64 2026-08-22 07:03 639229783303531961
60 ms 172.104.238.151
63 2026-08-22 06:46 639229773458051942
48 ms 172.104.238.151
62 2026-08-22 06:46 639229773458051942
48 ms 172.233.50.75
61 2026-08-22 06:46 639229773458051942
48 ms 139.162.195.230
60 2026-08-22 06:30 639229763373848056
3 ms 172.233.50.75
59 2026-08-22 06:30 639229763373848056
3 ms 172.104.238.151
58 2026-08-22 06:30 639229763373848056
3 ms 139.162.195.230
57 2026-08-22 05:37 639229732140622809
38 ms 172.104.238.151
56 2026-08-22 05:37 639229732140622809
38 ms 139.162.195.230
55 2026-08-22 05:37 639229732140622809
38 ms 172.233.50.75
54 2026-08-22 05:22 639229722699695967
43 ms 139.162.195.230
53 2026-08-22 05:22 639229722699695967
43 ms 172.233.50.75
52 2026-08-22 05:22 639229722699695967
43 ms 172.104.238.151
51 2026-08-22 05:06 639229713097498075
3 ms 172.104.238.151
50 2026-08-22 05:06 639229713097498075
3 ms 139.162.195.230
49 2026-08-22 05:06 639229713097498075
3 ms 172.233.50.75
48 2026-08-22 04:50 639229703543969637
3 ms 172.233.50.75
47 2026-08-22 04:50 639229703543969637
3 ms 172.104.238.151
46 2026-08-22 04:50 639229703543969637
3 ms 139.162.195.230
45 2026-08-22 04:34 639229693970392873
8 ms 139.162.195.230
44 2026-08-22 04:34 639229693970392873
8 ms 172.104.238.151
43 2026-08-22 04:34 639229693970392873
8 ms 172.233.50.75
42 2026-08-22 04:18 639229684277329469
58 ms 139.162.195.230
41 2026-08-22 04:18 639229684277329469
58 ms 172.233.50.75
40 2026-08-22 04:18 639229684277329469
58 ms 172.104.238.151
39 2026-08-22 04:01 639229674501596661
3 ms 139.162.195.230
38 2026-08-22 04:01 639229674501596661
3 ms 172.104.238.151
37 2026-08-22 04:01 639229674501596661
3 ms 172.233.50.75
36 2026-08-22 03:45 639229665064441147
157 ms 139.162.195.230
35 2026-08-22 03:45 639229665064441147
157 ms 172.104.238.151
34 2026-08-22 03:45 639229665064441147
157 ms 172.233.50.75
33 2026-08-22 03:30 639229655507536872
1530 ms 139.162.195.230
32 2026-08-22 03:30 639229655507536872
1530 ms 172.233.50.75
31 2026-08-22 03:30 639229655507536872
1530 ms 172.104.238.151
30 2026-08-22 03:14 639229645849603111
589 ms 172.233.50.75
29 2026-08-22 03:14 639229645849603111
589 ms 139.162.195.230
28 2026-08-22 03:14 639229645849603111
589 ms 172.104.238.151
27 2026-08-22 02:57 639229636090497453
21 ms 172.233.50.75
26 2026-08-22 02:57 639229636090497453
21 ms 172.104.238.151
25 2026-08-22 02:57 639229636090497453
21 ms 139.162.195.230
24 2026-08-22 02:41 639229625978544281
13 ms 139.162.195.230
23 2026-08-22 02:41 639229625978544281
13 ms 172.104.238.151
22 2026-08-22 02:41 639229625978544281
13 ms 172.233.50.75
21 2026-08-22 01:48 639229594644662176
10 ms 139.162.195.230
20 2026-08-22 01:48 639229594644662176
10 ms 172.104.238.151
19 2026-08-22 01:48 639229594644662176
10 ms 172.233.50.75
18 2026-08-22 01:32 639229585214633065
57 ms 139.162.195.230
17 2026-08-22 01:32 639229585214633065
57 ms 172.233.50.75
16 2026-08-22 01:32 639229585214633065
57 ms 172.104.238.151
15 2026-08-22 01:17 639229575581042175
1633 ms 139.162.195.230
14 2026-08-22 01:17 639229575581042175
1633 ms 172.104.238.151
13 2026-08-22 01:17 639229575581042175
1633 ms 172.233.50.75
12 2026-08-22 01:01 639229565912268962
150 ms 172.104.238.151
11 2026-08-22 01:01 639229565912268962
150 ms 172.233.50.75
10 2026-08-22 01:01 639229565912268962
150 ms 139.162.195.230
9 2026-08-22 00:44 639229556237813203
3 ms 172.233.50.75
8 2026-08-22 00:44 639229556237813203
3 ms 139.162.195.230
7 2026-08-22 00:44 639229556237813203
3 ms 172.104.238.151
6 2026-08-22 00:28 639229546625802518
44 ms 172.104.238.151
5 2026-08-22 00:28 639229546625802518
44 ms 172.233.50.75
4 2026-08-22 00:28 639229546625802518
44 ms 139.162.195.230
3 2026-08-22 00:12 639229537172016621
20 ms 172.104.238.151
2 2026-08-22 00:12 639229537172016621
20 ms 172.233.50.75
1 2026-08-22 00:12 639229537172016621
20 ms 139.162.195.230