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 2026-08-23. For this date, NameServerHistory found 149 DNS check records, 148 successful responses, 1 failed responses, and 216 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
149
Historical checks stored for this nameserver on selected date
Average Latency
216 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-23 23:51
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
148
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 ns2.cogentfirst.com
Showing DNS history for 2026-08-23 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 |
|---|---|---|---|---|---|
| 149 | 2026-08-23 23:51 | 639231254406598736 |
|
211 ms | 98.82.42.139 |
| 148 | 2026-08-23 23:51 | 639231254406598736 |
|
211 ms | 52.201.53.166 |
| 147 | 2026-08-23 23:35 | 639231244697865594 |
|
250 ms | 52.201.53.166 |
| 146 | 2026-08-23 23:35 | 639231244697865594 |
|
250 ms | 98.82.42.139 |
| 145 | 2026-08-23 23:19 | 639231234893504693 |
|
114 ms | 52.201.53.166 |
| 144 | 2026-08-23 23:19 | 639231234893504693 |
|
114 ms | 98.82.42.139 |
| 143 | 2026-08-23 23:02 | 639231225024549139 |
|
9 ms | 98.82.42.139 |
| 142 | 2026-08-23 23:02 | 639231225024549139 |
|
9 ms | 52.201.53.166 |
| 141 | 2026-08-23 22:46 | 639231214931957622 |
|
2110 ms | 52.201.53.166 |
| 140 | 2026-08-23 22:46 | 639231214931957622 |
|
2110 ms | 98.82.42.139 |
| 139 | 2026-08-23 22:29 | 639231204962010549 |
|
184 ms | 52.201.53.166 |
| 138 | 2026-08-23 22:29 | 639231204962010549 |
|
184 ms | 98.82.42.139 |
| 137 | 2026-08-23 22:13 | 639231195170138463 |
|
12 ms | 98.82.42.139 |
| 136 | 2026-08-23 22:13 | 639231195170138463 |
|
12 ms | 52.201.53.166 |
| 135 | 2026-08-23 21:56 | 639231185235020577 |
|
7 ms | 98.82.42.139 |
| 134 | 2026-08-23 21:56 | 639231185235020577 |
|
7 ms | 52.201.53.166 |
| 133 | 2026-08-23 21:40 | 639231175558690075 |
|
110 ms | 98.82.42.139 |
| 132 | 2026-08-23 21:40 | 639231175558690075 |
|
110 ms | 52.201.53.166 |
| 131 | 2026-08-23 21:23 | 639231165610444012 |
|
203 ms | 98.82.42.139 |
| 130 | 2026-08-23 21:23 | 639231165610444012 |
|
203 ms | 52.201.53.166 |
| 129 | 2026-08-23 20:30 | 639231133806425363 |
|
393 ms | 52.201.53.166 |
| 128 | 2026-08-23 20:30 | 639231133806425363 |
|
393 ms | 98.82.42.139 |
| 127 | 2026-08-23 20:14 | 639231124203758023 |
|
3 ms | 98.82.42.139 |
| 126 | 2026-08-23 20:14 | 639231124203758023 |
|
3 ms | 52.201.53.166 |
| 125 | 2026-08-23 19:58 | 639231114428262706 |
|
99 ms | 98.82.42.139 |
| 124 | 2026-08-23 19:58 | 639231114428262706 |
|
99 ms | 52.201.53.166 |
| 123 | 2026-08-23 19:42 | 639231104662480065 |
|
115 ms | 98.82.42.139 |
| 122 | 2026-08-23 19:42 | 639231104662480065 |
|
115 ms | 52.201.53.166 |
| 121 | 2026-08-23 19:26 | 639231094840372018 |
|
195 ms | 52.201.53.166 |
| 120 | 2026-08-23 19:26 | 639231094840372018 |
|
195 ms | 98.82.42.139 |
| 119 | 2026-08-23 19:09 | 639231085024583224 |
|
10 ms | 98.82.42.139 |
| 118 | 2026-08-23 19:09 | 639231085024583224 |
|
10 ms | 52.201.53.166 |
| 117 | 2026-08-23 18:53 | 639231075257417427 |
|
209 ms | 52.201.53.166 |
| 116 | 2026-08-23 18:53 | 639231075257417427 |
|
209 ms | 98.82.42.139 |
| 115 | 2026-08-23 18:37 | 639231065516009503 |
|
116 ms | 98.82.42.139 |
| 114 | 2026-08-23 18:37 | 639231065516009503 |
|
116 ms | 52.201.53.166 |
| 113 | 2026-08-23 18:20 | 639231055805348837 |
|
8 ms | 98.82.42.139 |
| 112 | 2026-08-23 18:20 | 639231055805348837 |
|
8 ms | 52.201.53.166 |
| 111 | 2026-08-23 18:04 | 639231045980373765 |
|
187 ms | 52.201.53.166 |
| 110 | 2026-08-23 18:04 | 639231045980373765 |
|
187 ms | 98.82.42.139 |
| 109 | 2026-08-23 17:47 | 639231035984577527 |
|
288 ms | 98.82.42.139 |
| 108 | 2026-08-23 17:47 | 639231035984577527 |
|
288 ms | 52.201.53.166 |
| 107 | 2026-08-23 17:30 | 639231025928115303 |
|
199 ms | 52.201.53.166 |
| 106 | 2026-08-23 17:30 | 639231025928115303 |
|
199 ms | 98.82.42.139 |
| 105 | 2026-08-23 16:38 | 639230994250157583 |
|
6 ms | 98.82.42.139 |
| 104 | 2026-08-23 16:38 | 639230994250157583 |
|
6 ms | 52.201.53.166 |
| 103 | 2026-08-23 16:22 | 639230984476411369 |
|
2103 ms | 52.201.53.166 |
| 102 | 2026-08-23 16:22 | 639230984476411369 |
|
2103 ms | 98.82.42.139 |
| 101 | 2026-08-23 16:05 | 639230974838373450 |
|
7 ms | 98.82.42.139 |
| 100 | 2026-08-23 16:05 | 639230974838373450 |
|
7 ms | 52.201.53.166 |
| 99 | 2026-08-23 15:49 | 639230965244277645 |
|
123 ms | 98.82.42.139 |
| 98 | 2026-08-23 15:49 | 639230965244277645 |
|
123 ms | 52.201.53.166 |
| 97 | 2026-08-23 15:33 | 639230955522101820 |
|
184 ms | 98.82.42.139 |
| 96 | 2026-08-23 15:33 | 639230955522101820 |
|
184 ms | 52.201.53.166 |
| 95 | 2026-08-23 15:17 | 639230945754521603 |
|
33 ms | 52.201.53.166 |
| 94 | 2026-08-23 15:17 | 639230945754521603 |
|
33 ms | 98.82.42.139 |
| 93 | 2026-08-23 15:01 | 639230935852040504 |
|
154 ms | 98.82.42.139 |
| 92 | 2026-08-23 15:01 | 639230935852040504 |
|
154 ms | 52.201.53.166 |
| 91 | 2026-08-23 14:44 | 639230926222061048 |
|
28 ms | 98.82.42.139 |
| 90 | 2026-08-23 14:44 | 639230926222061048 |
|
28 ms | 52.201.53.166 |
| 89 | 2026-08-23 14:28 | 639230916449726907 |
|
7 ms | 52.201.53.166 |
| 88 | 2026-08-23 14:28 | 639230916449726907 |
|
7 ms | 98.82.42.139 |
| 87 | 2026-08-23 14:12 | 639230906595053086 |
|
188 ms | 98.82.42.139 |
| 86 | 2026-08-23 14:12 | 639230906595053086 |
|
188 ms | 52.201.53.166 |
| 85 | 2026-08-23 13:55 | 639230896680429441 |
|
112 ms | 98.82.42.139 |
| 84 | 2026-08-23 13:55 | 639230896680429441 |
|
112 ms | 52.201.53.166 |
| 83 | 2026-08-23 13:38 | 639230886630210965 |
|
7 ms | 52.201.53.166 |
| 82 | 2026-08-23 13:38 | 639230886630210965 |
|
7 ms | 98.82.42.139 |
| 81 | 2026-08-23 12:47 | 639230855430405719 |
|
182 ms | 52.201.53.166 |
| 80 | 2026-08-23 12:47 | 639230855430405719 |
|
182 ms | 98.82.42.139 |
| 79 | 2026-08-23 12:30 | 639230845707499136 |
|
107 ms | 98.82.42.139 |
| 78 | 2026-08-23 12:30 | 639230845707499136 |
|
107 ms | 52.201.53.166 |
| 77 | 2026-08-23 12:14 | 639230836186805419 |
|
- | |
| 76 | 2026-08-23 11:58 | 639230826493828316 |
|
120 ms | 98.82.42.139 |
| 75 | 2026-08-23 11:58 | 639230826493828316 |
|
120 ms | 52.201.53.166 |
| 74 | 2026-08-23 11:42 | 639230816817882996 |
|
178 ms | 98.82.42.139 |
| 73 | 2026-08-23 11:42 | 639230816817882996 |
|
178 ms | 52.201.53.166 |
| 72 | 2026-08-23 11:26 | 639230806933854189 |
|
182 ms | 52.201.53.166 |
| 71 | 2026-08-23 11:26 | 639230806933854189 |
|
182 ms | 98.82.42.139 |
| 70 | 2026-08-23 11:09 | 639230797120243854 |
|
8 ms | 52.201.53.166 |
| 69 | 2026-08-23 11:09 | 639230797120243854 |
|
8 ms | 98.82.42.139 |
| 68 | 2026-08-23 10:53 | 639230787310272840 |
|
4 ms | 52.201.53.166 |
| 67 | 2026-08-23 10:53 | 639230787310272840 |
|
4 ms | 98.82.42.139 |
| 66 | 2026-08-23 10:37 | 639230777600173142 |
|
32 ms | 52.201.53.166 |
| 65 | 2026-08-23 10:37 | 639230777600173142 |
|
32 ms | 98.82.42.139 |
| 64 | 2026-08-23 10:20 | 639230767665024593 |
|
2179 ms | 98.82.42.139 |
| 63 | 2026-08-23 10:20 | 639230767665024593 |
|
2179 ms | 52.201.53.166 |
| 62 | 2026-08-23 10:04 | 639230757720962293 |
|
216 ms | 52.201.53.166 |
| 61 | 2026-08-23 10:04 | 639230757720962293 |
|
216 ms | 98.82.42.139 |
| 60 | 2026-08-23 09:47 | 639230747722189784 |
|
7 ms | 52.201.53.166 |
| 59 | 2026-08-23 09:47 | 639230747722189784 |
|
7 ms | 98.82.42.139 |
| 58 | 2026-08-23 08:55 | 639230716313923480 |
|
206 ms | 98.82.42.139 |
| 57 | 2026-08-23 08:55 | 639230716313923480 |
|
206 ms | 52.201.53.166 |
| 56 | 2026-08-23 08:38 | 639230706813835990 |
|
3 ms | 52.201.53.166 |
| 55 | 2026-08-23 08:38 | 639230706813835990 |
|
3 ms | 98.82.42.139 |
| 54 | 2026-08-23 08:22 | 639230696871062203 |
|
215 ms | 52.201.53.166 |
| 53 | 2026-08-23 08:22 | 639230696871062203 |
|
215 ms | 98.82.42.139 |
| 52 | 2026-08-23 08:06 | 639230687142781616 |
|
26 ms | 52.201.53.166 |
| 51 | 2026-08-23 08:06 | 639230687142781616 |
|
26 ms | 98.82.42.139 |
| 50 | 2026-08-23 07:50 | 639230677432142227 |
|
34 ms | 98.82.42.139 |
| 49 | 2026-08-23 07:50 | 639230677432142227 |
|
34 ms | 52.201.53.166 |
| 48 | 2026-08-23 07:34 | 639230667686258061 |
|
169 ms | 98.82.42.139 |
| 47 | 2026-08-23 07:34 | 639230667686258061 |
|
169 ms | 52.201.53.166 |
| 46 | 2026-08-23 07:18 | 639230658039243685 |
|
111 ms | 52.201.53.166 |
| 45 | 2026-08-23 07:18 | 639230658039243685 |
|
111 ms | 98.82.42.139 |
| 44 | 2026-08-23 07:01 | 639230648468473803 |
|
24 ms | 98.82.42.139 |
| 43 | 2026-08-23 07:01 | 639230648468473803 |
|
24 ms | 52.201.53.166 |
| 42 | 2026-08-23 06:45 | 639230638829658294 |
|
2111 ms | 52.201.53.166 |
| 41 | 2026-08-23 06:45 | 639230638829658294 |
|
2111 ms | 98.82.42.139 |
| 40 | 2026-08-23 06:29 | 639230629247017617 |
|
180 ms | 98.82.42.139 |
| 39 | 2026-08-23 06:29 | 639230629247017617 |
|
180 ms | 52.201.53.166 |
| 38 | 2026-08-23 06:13 | 639230619625318239 |
|
110 ms | 98.82.42.139 |
| 37 | 2026-08-23 06:13 | 639230619625318239 |
|
110 ms | 52.201.53.166 |
| 36 | 2026-08-23 05:57 | 639230609697630264 |
|
9 ms | 52.201.53.166 |
| 35 | 2026-08-23 05:57 | 639230609697630264 |
|
9 ms | 98.82.42.139 |
| 34 | 2026-08-23 05:05 | 639230578570131864 |
|
117 ms | 52.201.53.166 |
| 33 | 2026-08-23 05:05 | 639230578570131864 |
|
117 ms | 98.82.42.139 |
| 32 | 2026-08-23 04:49 | 639230568958963168 |
|
19 ms | 98.82.42.139 |
| 31 | 2026-08-23 04:49 | 639230568958963168 |
|
19 ms | 52.201.53.166 |
| 30 | 2026-08-23 04:33 | 639230559287611211 |
|
9 ms | 98.82.42.139 |
| 29 | 2026-08-23 04:33 | 639230559287611211 |
|
9 ms | 52.201.53.166 |
| 28 | 2026-08-23 04:17 | 639230549524312030 |
|
10 ms | 98.82.42.139 |
| 27 | 2026-08-23 04:17 | 639230549524312030 |
|
10 ms | 52.201.53.166 |
| 26 | 2026-08-23 04:00 | 639230539739801669 |
|
124 ms | 98.82.42.139 |
| 25 | 2026-08-23 04:00 | 639230539739801669 |
|
124 ms | 52.201.53.166 |
| 24 | 2026-08-23 03:44 | 639230530084069375 |
|
145 ms | 52.201.53.166 |
| 23 | 2026-08-23 03:44 | 639230530084069375 |
|
145 ms | 98.82.42.139 |
| 22 | 2026-08-23 03:28 | 639230520362691441 |
|
97 ms | 52.201.53.166 |
| 21 | 2026-08-23 03:28 | 639230520362691441 |
|
97 ms | 98.82.42.139 |
| 20 | 2026-08-23 03:12 | 639230510677194518 |
|
6 ms | 52.201.53.166 |
| 19 | 2026-08-23 03:12 | 639230510677194518 |
|
6 ms | 98.82.42.139 |
| 18 | 2026-08-23 02:56 | 639230501156002646 |
|
49 ms | 98.82.42.139 |
| 17 | 2026-08-23 02:56 | 639230501156002646 |
|
49 ms | 52.201.53.166 |
| 16 | 2026-08-23 02:40 | 639230491502198541 |
|
3 ms | 52.201.53.166 |
| 15 | 2026-08-23 02:40 | 639230491502198541 |
|
3 ms | 98.82.42.139 |
| 14 | 2026-08-23 02:24 | 639230481860318494 |
|
21 ms | 52.201.53.166 |
| 13 | 2026-08-23 02:24 | 639230481860318494 |
|
21 ms | 98.82.42.139 |
| 12 | 2026-08-23 02:07 | 639230471893008575 |
|
113 ms | 98.82.42.139 |
| 11 | 2026-08-23 02:07 | 639230471893008575 |
|
113 ms | 52.201.53.166 |
| 10 | 2026-08-23 01:14 | 639230440030877421 |
|
205 ms | 52.201.53.166 |
| 9 | 2026-08-23 01:14 | 639230440030877421 |
|
205 ms | 98.82.42.139 |
| 8 | 2026-08-23 00:58 | 639230430479725508 |
|
106 ms | 98.82.42.139 |
| 7 | 2026-08-23 00:58 | 639230430479725508 |
|
106 ms | 52.201.53.166 |
| 6 | 2026-08-23 00:42 | 639230420875160219 |
|
142 ms | 98.82.42.139 |
| 5 | 2026-08-23 00:42 | 639230420875160219 |
|
142 ms | 52.201.53.166 |
| 4 | 2026-08-23 00:26 | 639230411240692575 |
|
207 ms | 98.82.42.139 |
| 3 | 2026-08-23 00:26 | 639230411240692575 |
|
207 ms | 52.201.53.166 |
| 2 | 2026-08-23 00:10 | 639230401550806607 |
|
222 ms | 98.82.42.139 |
| 1 | 2026-08-23 00:10 | 639230401550806607 |
|
222 ms | 52.201.53.166 |