History for ns2.cogentfirst.com
Domain: cogentfirst.com • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns2.cogentfirst.com
ns2.cogentfirst.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 146 DNS check records, 144 successful responses, 2 failed responses, and 226 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.cogentfirst.com.
Records on Selected Date
146
Historical checks stored for this nameserver on selected date
Average Latency
226 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-22 23:54
All timestamps shown in UTC
Latest Resolved IP on Selected Date
98.82.42.139
Most recently resolved hosting IP on selected date
Successful Responses
144
Checks that returned a measurable response
Failed Responses
2
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 ns2.cogentfirst.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 |
|---|---|---|---|---|---|
| 146 | 2026-08-22 23:54 | 639230391807229016 |
|
119 ms | 98.82.42.139 |
| 145 | 2026-08-22 23:54 | 639230391807229016 |
|
119 ms | 52.201.53.166 |
| 144 | 2026-08-22 23:37 | 639230382051619327 |
|
197 ms | 98.82.42.139 |
| 143 | 2026-08-22 23:37 | 639230382051619327 |
|
197 ms | 52.201.53.166 |
| 142 | 2026-08-22 23:21 | 639230372323353529 |
|
3 ms | 52.201.53.166 |
| 141 | 2026-08-22 23:21 | 639230372323353529 |
|
3 ms | 98.82.42.139 |
| 140 | 2026-08-22 23:05 | 639230362586451064 |
|
3 ms | 52.201.53.166 |
| 139 | 2026-08-22 23:05 | 639230362586451064 |
|
3 ms | 98.82.42.139 |
| 138 | 2026-08-22 22:49 | 639230352793666303 |
|
182 ms | 98.82.42.139 |
| 137 | 2026-08-22 22:49 | 639230352793666303 |
|
182 ms | 52.201.53.166 |
| 136 | 2026-08-22 22:32 | 639230342775737758 |
|
9 ms | 98.82.42.139 |
| 135 | 2026-08-22 22:32 | 639230342775737758 |
|
9 ms | 52.201.53.166 |
| 134 | 2026-08-22 22:15 | 639230332639939561 |
|
5 ms | 98.82.42.139 |
| 133 | 2026-08-22 22:15 | 639230332639939561 |
|
5 ms | 52.201.53.166 |
| 132 | 2026-08-22 21:22 | 639230301014190104 |
|
4 ms | 52.201.53.166 |
| 131 | 2026-08-22 21:22 | 639230301014190104 |
|
4 ms | 98.82.42.139 |
| 130 | 2026-08-22 21:06 | 639230291048161498 |
|
99 ms | 98.82.42.139 |
| 129 | 2026-08-22 21:06 | 639230291048161498 |
|
99 ms | 52.201.53.166 |
| 128 | 2026-08-22 20:49 | 639230280894353664 |
|
182 ms | 98.82.42.139 |
| 127 | 2026-08-22 20:49 | 639230280894353664 |
|
182 ms | 52.201.53.166 |
| 126 | 2026-08-22 20:32 | 639230270699419073 |
|
180 ms | 98.82.42.139 |
| 125 | 2026-08-22 20:32 | 639230270699419073 |
|
180 ms | 52.201.53.166 |
| 124 | 2026-08-22 20:15 | 639230260248163050 |
|
143 ms | 98.82.42.139 |
| 123 | 2026-08-22 20:15 | 639230260248163050 |
|
143 ms | 52.201.53.166 |
| 122 | 2026-08-22 19:58 | 639230250122494282 |
|
2720 ms | 98.82.42.139 |
| 121 | 2026-08-22 19:58 | 639230250122494282 |
|
2720 ms | 52.201.53.166 |
| 120 | 2026-08-22 19:41 | 639230239972935046 |
|
111 ms | 52.201.53.166 |
| 119 | 2026-08-22 19:41 | 639230239972935046 |
|
111 ms | 98.82.42.139 |
| 118 | 2026-08-22 19:24 | 639230229963262464 |
|
224 ms | 52.201.53.166 |
| 117 | 2026-08-22 19:24 | 639230229963262464 |
|
224 ms | 98.82.42.139 |
| 116 | 2026-08-22 19:07 | 639230220033804658 |
|
20 ms | 52.201.53.166 |
| 115 | 2026-08-22 19:07 | 639230220033804658 |
|
20 ms | 98.82.42.139 |
| 114 | 2026-08-22 18:51 | 639230209891107289 |
|
181 ms | 52.201.53.166 |
| 113 | 2026-08-22 18:51 | 639230209891107289 |
|
181 ms | 98.82.42.139 |
| 112 | 2026-08-22 18:33 | 639230199630298717 |
|
192 ms | 98.82.42.139 |
| 111 | 2026-08-22 18:33 | 639230199630298717 |
|
192 ms | 52.201.53.166 |
| 110 | 2026-08-22 18:16 | 639230189301984150 |
|
192 ms | 98.82.42.139 |
| 109 | 2026-08-22 18:16 | 639230189301984150 |
|
192 ms | 52.201.53.166 |
| 108 | 2026-08-22 17:23 | 639230157138468804 |
|
201 ms | 98.82.42.139 |
| 107 | 2026-08-22 17:23 | 639230157138468804 |
|
201 ms | 52.201.53.166 |
| 106 | 2026-08-22 17:06 | 639230146987869495 |
|
159 ms | 98.82.42.139 |
| 105 | 2026-08-22 17:06 | 639230146987869495 |
|
159 ms | 52.201.53.166 |
| 104 | 2026-08-22 16:49 | 639230136768638516 |
|
205 ms | 52.201.53.166 |
| 103 | 2026-08-22 16:49 | 639230136768638516 |
|
205 ms | 98.82.42.139 |
| 102 | 2026-08-22 16:32 | 639230126735907877 |
|
183 ms | 52.201.53.166 |
| 101 | 2026-08-22 16:32 | 639230126735907877 |
|
183 ms | 98.82.42.139 |
| 100 | 2026-08-22 16:15 | 639230116551187768 |
|
18 ms | 98.82.42.139 |
| 99 | 2026-08-22 16:15 | 639230116551187768 |
|
18 ms | 52.201.53.166 |
| 98 | 2026-08-22 15:58 | 639230106335615913 |
|
190 ms | 98.82.42.139 |
| 97 | 2026-08-22 15:58 | 639230106335615913 |
|
190 ms | 52.201.53.166 |
| 96 | 2026-08-22 15:41 | 639230096177758176 |
|
17 ms | 98.82.42.139 |
| 95 | 2026-08-22 15:41 | 639230096177758176 |
|
17 ms | 52.201.53.166 |
| 94 | 2026-08-22 15:24 | 639230086185999993 |
|
23 ms | 98.82.42.139 |
| 93 | 2026-08-22 15:24 | 639230086185999993 |
|
23 ms | 52.201.53.166 |
| 92 | 2026-08-22 15:08 | 639230076247854903 |
|
223 ms | 52.201.53.166 |
| 91 | 2026-08-22 15:08 | 639230076247854903 |
|
223 ms | 98.82.42.139 |
| 90 | 2026-08-22 14:51 | 639230066076077530 |
|
194 ms | 98.82.42.139 |
| 89 | 2026-08-22 14:51 | 639230066076077530 |
|
194 ms | 52.201.53.166 |
| 88 | 2026-08-22 14:33 | 639230055738197328 |
|
25 ms | 52.201.53.166 |
| 87 | 2026-08-22 14:33 | 639230055738197328 |
|
25 ms | 98.82.42.139 |
| 86 | 2026-08-22 14:16 | 639230045411225521 |
|
235 ms | 52.201.53.166 |
| 85 | 2026-08-22 14:16 | 639230045411225521 |
|
235 ms | 98.82.42.139 |
| 84 | 2026-08-22 13:22 | 639230013046000470 |
|
127 ms | 98.82.42.139 |
| 83 | 2026-08-22 13:22 | 639230013046000470 |
|
127 ms | 52.201.53.166 |
| 82 | 2026-08-22 13:06 | 639230003090037878 |
|
7 ms | 98.82.42.139 |
| 81 | 2026-08-22 13:06 | 639230003090037878 |
|
7 ms | 52.201.53.166 |
| 80 | 2026-08-22 12:49 | 639229993008259475 |
|
154 ms | 52.201.53.166 |
| 79 | 2026-08-22 12:49 | 639229993008259475 |
|
154 ms | 98.82.42.139 |
| 78 | 2026-08-22 12:32 | 639229982909449470 |
|
7 ms | 52.201.53.166 |
| 77 | 2026-08-22 12:32 | 639229982909449470 |
|
7 ms | 98.82.42.139 |
| 76 | 2026-08-22 12:16 | 639229973035502212 |
|
114 ms | 52.201.53.166 |
| 75 | 2026-08-22 12:16 | 639229973035502212 |
|
114 ms | 98.82.42.139 |
| 74 | 2026-08-22 11:59 | 639229963064296145 |
|
109 ms | 98.82.42.139 |
| 73 | 2026-08-22 11:59 | 639229963064296145 |
|
109 ms | 52.201.53.166 |
| 72 | 2026-08-22 11:42 | 639229952996162143 |
|
97 ms | 52.201.53.166 |
| 71 | 2026-08-22 11:42 | 639229952996162143 |
|
97 ms | 98.82.42.139 |
| 70 | 2026-08-22 11:26 | 639229943051949195 |
|
241 ms | 98.82.42.139 |
| 69 | 2026-08-22 11:26 | 639229943051949195 |
|
241 ms | 52.201.53.166 |
| 68 | 2026-08-22 11:09 | 639229932919214934 |
|
116 ms | 98.82.42.139 |
| 67 | 2026-08-22 11:09 | 639229932919214934 |
|
116 ms | 52.201.53.166 |
| 66 | 2026-08-22 10:52 | 639229922745889838 |
|
179 ms | 98.82.42.139 |
| 65 | 2026-08-22 10:52 | 639229922745889838 |
|
179 ms | 52.201.53.166 |
| 64 | 2026-08-22 10:35 | 639229912587214796 |
|
193 ms | 98.82.42.139 |
| 63 | 2026-08-22 10:35 | 639229912587214796 |
|
193 ms | 52.201.53.166 |
| 62 | 2026-08-22 10:18 | 639229902240004454 |
|
4 ms | 98.82.42.139 |
| 61 | 2026-08-22 10:18 | 639229902240004454 |
|
4 ms | 52.201.53.166 |
| 60 | 2026-08-22 09:25 | 639229870800501662 |
|
16 ms | 98.82.42.139 |
| 59 | 2026-08-22 09:25 | 639229870800501662 |
|
16 ms | 52.201.53.166 |
| 58 | 2026-08-22 09:09 | 639229861058384956 |
|
2098 ms | 52.201.53.166 |
| 57 | 2026-08-22 09:09 | 639229861058384956 |
|
2098 ms | 98.82.42.139 |
| 56 | 2026-08-22 08:53 | 639229851158592604 |
|
43 ms | 98.82.42.139 |
| 55 | 2026-08-22 08:53 | 639229851158592604 |
|
43 ms | 52.201.53.166 |
| 54 | 2026-08-22 08:37 | 639229841475569629 |
|
178 ms | 98.82.42.139 |
| 53 | 2026-08-22 08:37 | 639229841475569629 |
|
178 ms | 52.201.53.166 |
| 52 | 2026-08-22 08:20 | 639229831887658471 |
|
7 ms | 98.82.42.139 |
| 51 | 2026-08-22 08:20 | 639229831887658471 |
|
7 ms | 52.201.53.166 |
| 50 | 2026-08-22 08:04 | 639229822043670346 |
|
185 ms | 52.201.53.166 |
| 49 | 2026-08-22 08:04 | 639229822043670346 |
|
185 ms | 98.82.42.139 |
| 48 | 2026-08-22 07:48 | 639229812327913936 |
|
143 ms | 52.201.53.166 |
| 47 | 2026-08-22 07:48 | 639229812327913936 |
|
143 ms | 98.82.42.139 |
| 46 | 2026-08-22 07:32 | 639229802629488686 |
|
10 ms | 98.82.42.139 |
| 45 | 2026-08-22 07:32 | 639229802629488686 |
|
10 ms | 52.201.53.166 |
| 44 | 2026-08-22 07:16 | 639229793051447309 |
|
7 ms | 98.82.42.139 |
| 43 | 2026-08-22 07:16 | 639229793051447309 |
|
7 ms | 52.201.53.166 |
| 42 | 2026-08-22 07:00 | 639229783303531961 |
|
- | |
| 41 | 2026-08-22 06:43 | 639229773458051942 |
|
120 ms | 98.82.42.139 |
| 40 | 2026-08-22 06:43 | 639229773458051942 |
|
120 ms | 52.201.53.166 |
| 39 | 2026-08-22 06:26 | 639229763373848056 |
|
135 ms | 98.82.42.139 |
| 38 | 2026-08-22 06:26 | 639229763373848056 |
|
135 ms | 52.201.53.166 |
| 37 | 2026-08-22 05:34 | 639229732140622809 |
|
23 ms | 98.82.42.139 |
| 36 | 2026-08-22 05:34 | 639229732140622809 |
|
23 ms | 52.201.53.166 |
| 35 | 2026-08-22 05:18 | 639229722699695967 |
|
98 ms | 52.201.53.166 |
| 34 | 2026-08-22 05:18 | 639229722699695967 |
|
98 ms | 98.82.42.139 |
| 33 | 2026-08-22 05:03 | 639229713097498075 |
|
169 ms | 52.201.53.166 |
| 32 | 2026-08-22 05:03 | 639229713097498075 |
|
169 ms | 98.82.42.139 |
| 31 | 2026-08-22 04:47 | 639229703543969637 |
|
4216 ms | 52.201.53.166 |
| 30 | 2026-08-22 04:47 | 639229703543969637 |
|
4216 ms | 98.82.42.139 |
| 29 | 2026-08-22 04:31 | 639229693970392873 |
|
181 ms | 98.82.42.139 |
| 28 | 2026-08-22 04:31 | 639229693970392873 |
|
181 ms | 52.201.53.166 |
| 27 | 2026-08-22 04:14 | 639229684277329469 |
|
2 ms | 98.82.42.139 |
| 26 | 2026-08-22 04:14 | 639229684277329469 |
|
2 ms | 52.201.53.166 |
| 25 | 2026-08-22 03:58 | 639229674501596661 |
|
4 ms | 98.82.42.139 |
| 24 | 2026-08-22 03:58 | 639229674501596661 |
|
4 ms | 52.201.53.166 |
| 23 | 2026-08-22 03:42 | 639229665064441147 |
|
32 ms | 98.82.42.139 |
| 22 | 2026-08-22 03:42 | 639229665064441147 |
|
32 ms | 52.201.53.166 |
| 21 | 2026-08-22 03:26 | 639229655507536872 |
|
179 ms | 52.201.53.166 |
| 20 | 2026-08-22 03:26 | 639229655507536872 |
|
179 ms | 98.82.42.139 |
| 19 | 2026-08-22 03:10 | 639229645849603111 |
|
12 ms | 98.82.42.139 |
| 18 | 2026-08-22 03:10 | 639229645849603111 |
|
12 ms | 52.201.53.166 |
| 17 | 2026-08-22 02:54 | 639229636090497453 |
|
147 ms | 98.82.42.139 |
| 16 | 2026-08-22 02:54 | 639229636090497453 |
|
147 ms | 52.201.53.166 |
| 15 | 2026-08-22 02:37 | 639229625978544281 |
|
35 ms | 52.201.53.166 |
| 14 | 2026-08-22 02:37 | 639229625978544281 |
|
35 ms | 98.82.42.139 |
| 13 | 2026-08-22 01:45 | 639229594644662176 |
|
2 ms | 98.82.42.139 |
| 12 | 2026-08-22 01:45 | 639229594644662176 |
|
2 ms | 52.201.53.166 |
| 11 | 2026-08-22 01:29 | 639229585214633065 |
|
33 ms | 98.82.42.139 |
| 10 | 2026-08-22 01:29 | 639229585214633065 |
|
33 ms | 52.201.53.166 |
| 9 | 2026-08-22 01:13 | 639229575581042175 |
|
187 ms | 98.82.42.139 |
| 8 | 2026-08-22 01:13 | 639229575581042175 |
|
187 ms | 52.201.53.166 |
| 7 | 2026-08-22 00:57 | 639229565912268962 |
|
- | |
| 6 | 2026-08-22 00:41 | 639229556237813203 |
|
3 ms | 52.201.53.166 |
| 5 | 2026-08-22 00:41 | 639229556237813203 |
|
3 ms | 98.82.42.139 |
| 4 | 2026-08-22 00:25 | 639229546625802518 |
|
98 ms | 52.201.53.166 |
| 3 | 2026-08-22 00:25 | 639229546625802518 |
|
98 ms | 98.82.42.139 |
| 2 | 2026-08-22 00:09 | 639229537172016621 |
|
149 ms | 52.201.53.166 |
| 1 | 2026-08-22 00:09 | 639229537172016621 |
|
149 ms | 98.82.42.139 |