History for koa.ns.cloudlflare.com
Domain: cloudlflare.com • Tracking since 2026-08-04 23:25 UTC
DNS response history for koa.ns.cloudlflare.com
koa.ns.cloudlflare.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 2026-08-24. For this date, NameServerHistory found 168 DNS check records, 168 successful responses, 0 failed responses, and 471 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 koa.ns.cloudlflare.com.
Records on Selected Date
168
Historical checks stored for this nameserver on selected date
Average Latency
471 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-24 23:57
All timestamps shown in UTC
Latest Resolved IP on Selected Date
172.237.146.18
Most recently resolved hosting IP on selected date
Successful Responses
168
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 koa.ns.cloudlflare.com
Showing DNS history for 2026-08-24 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 |
|---|---|---|---|---|---|
| 168 | 2026-08-24 23:57 | 639232119551972438 |
|
317 ms | 172.237.146.18 |
| 167 | 2026-08-24 23:57 | 639232119551972438 |
|
317 ms | 172.237.146.39 |
| 166 | 2026-08-24 23:57 | 639232119551972438 |
|
317 ms | 172.237.146.46 |
| 165 | 2026-08-24 23:40 | 639232109112567473 |
|
298 ms | 172.237.146.46 |
| 164 | 2026-08-24 23:40 | 639232109112567473 |
|
298 ms | 172.237.146.18 |
| 163 | 2026-08-24 23:40 | 639232109112567473 |
|
298 ms | 172.237.146.39 |
| 162 | 2026-08-24 22:47 | 639232077430823987 |
|
297 ms | 172.237.146.46 |
| 161 | 2026-08-24 22:47 | 639232077430823987 |
|
297 ms | 172.237.146.39 |
| 160 | 2026-08-24 22:47 | 639232077430823987 |
|
297 ms | 172.237.146.18 |
| 159 | 2026-08-24 22:30 | 639232067340513033 |
|
309 ms | 172.237.146.46 |
| 158 | 2026-08-24 22:30 | 639232067340513033 |
|
309 ms | 172.237.146.39 |
| 157 | 2026-08-24 22:30 | 639232067340513033 |
|
309 ms | 172.237.146.18 |
| 156 | 2026-08-24 22:13 | 639232057157944387 |
|
317 ms | 172.237.146.18 |
| 155 | 2026-08-24 22:13 | 639232057157944387 |
|
317 ms | 172.237.146.39 |
| 154 | 2026-08-24 22:13 | 639232057157944387 |
|
317 ms | 172.237.146.46 |
| 153 | 2026-08-24 21:56 | 639232046895282144 |
|
325 ms | 172.237.146.46 |
| 152 | 2026-08-24 21:56 | 639232046895282144 |
|
325 ms | 172.237.146.18 |
| 151 | 2026-08-24 21:56 | 639232046895282144 |
|
325 ms | 172.237.146.39 |
| 150 | 2026-08-24 21:02 | 639232014356623395 |
|
2121 ms | 172.237.146.46 |
| 149 | 2026-08-24 21:02 | 639232014356623395 |
|
2121 ms | 172.237.146.39 |
| 148 | 2026-08-24 21:02 | 639232014356623395 |
|
2121 ms | 172.237.146.18 |
| 147 | 2026-08-24 20:45 | 639232004177831322 |
|
343 ms | 172.237.146.18 |
| 146 | 2026-08-24 20:45 | 639232004177831322 |
|
343 ms | 172.237.146.46 |
| 145 | 2026-08-24 20:45 | 639232004177831322 |
|
343 ms | 172.237.146.39 |
| 144 | 2026-08-24 20:28 | 639231993997863976 |
|
2313 ms | 172.237.146.18 |
| 143 | 2026-08-24 20:28 | 639231993997863976 |
|
2313 ms | 172.237.146.39 |
| 142 | 2026-08-24 20:28 | 639231993997863976 |
|
2313 ms | 172.237.146.46 |
| 141 | 2026-08-24 20:11 | 639231983967363696 |
|
203 ms | 172.237.146.39 |
| 140 | 2026-08-24 20:11 | 639231983967363696 |
|
203 ms | 172.237.146.46 |
| 139 | 2026-08-24 20:11 | 639231983967363696 |
|
203 ms | 172.237.146.18 |
| 138 | 2026-08-24 19:18 | 639231952257842845 |
|
106 ms | 172.237.146.18 |
| 137 | 2026-08-24 19:18 | 639231952257842845 |
|
106 ms | 172.237.146.46 |
| 136 | 2026-08-24 19:18 | 639231952257842845 |
|
106 ms | 172.237.146.39 |
| 135 | 2026-08-24 19:01 | 639231942277816756 |
|
308 ms | 172.237.146.46 |
| 134 | 2026-08-24 19:01 | 639231942277816756 |
|
308 ms | 172.237.146.18 |
| 133 | 2026-08-24 19:01 | 639231942277816756 |
|
308 ms | 172.237.146.39 |
| 132 | 2026-08-24 18:45 | 639231932094180724 |
|
309 ms | 172.237.146.46 |
| 131 | 2026-08-24 18:45 | 639231932094180724 |
|
309 ms | 172.237.146.39 |
| 130 | 2026-08-24 18:45 | 639231932094180724 |
|
309 ms | 172.237.146.18 |
| 129 | 2026-08-24 18:28 | 639231922041034838 |
|
356 ms | 172.237.146.39 |
| 128 | 2026-08-24 18:28 | 639231922041034838 |
|
356 ms | 172.237.146.18 |
| 127 | 2026-08-24 18:28 | 639231922041034838 |
|
356 ms | 172.237.146.46 |
| 126 | 2026-08-24 17:35 | 639231890488117536 |
|
293 ms | 172.237.146.18 |
| 125 | 2026-08-24 17:35 | 639231890488117536 |
|
293 ms | 172.237.146.46 |
| 124 | 2026-08-24 17:35 | 639231890488117536 |
|
293 ms | 172.237.146.39 |
| 123 | 2026-08-24 17:18 | 639231880574255543 |
|
300 ms | 172.237.146.18 |
| 122 | 2026-08-24 17:18 | 639231880574255543 |
|
300 ms | 172.237.146.39 |
| 121 | 2026-08-24 17:18 | 639231880574255543 |
|
300 ms | 172.237.146.46 |
| 120 | 2026-08-24 17:02 | 639231870418029045 |
|
231 ms | 172.237.146.18 |
| 119 | 2026-08-24 17:02 | 639231870418029045 |
|
231 ms | 172.237.146.46 |
| 118 | 2026-08-24 17:02 | 639231870418029045 |
|
231 ms | 172.237.146.39 |
| 117 | 2026-08-24 16:45 | 639231860258429562 |
|
908 ms | 172.237.146.39 |
| 116 | 2026-08-24 16:45 | 639231860258429562 |
|
908 ms | 172.237.146.18 |
| 115 | 2026-08-24 16:45 | 639231860258429562 |
|
908 ms | 172.237.146.46 |
| 114 | 2026-08-24 15:51 | 639231828211839931 |
|
315 ms | 172.237.146.39 |
| 113 | 2026-08-24 15:51 | 639231828211839931 |
|
315 ms | 172.237.146.18 |
| 112 | 2026-08-24 15:51 | 639231828211839931 |
|
315 ms | 172.237.146.46 |
| 111 | 2026-08-24 15:35 | 639231818080917481 |
|
285 ms | 172.237.146.18 |
| 110 | 2026-08-24 15:35 | 639231818080917481 |
|
285 ms | 172.237.146.46 |
| 109 | 2026-08-24 15:35 | 639231818080917481 |
|
285 ms | 172.237.146.39 |
| 108 | 2026-08-24 15:17 | 639231807961539652 |
|
307 ms | 172.237.146.46 |
| 107 | 2026-08-24 15:17 | 639231807961539652 |
|
307 ms | 172.237.146.39 |
| 106 | 2026-08-24 15:17 | 639231807961539652 |
|
307 ms | 172.237.146.18 |
| 105 | 2026-08-24 15:01 | 639231797631669865 |
|
2281 ms | 172.237.146.18 |
| 104 | 2026-08-24 15:01 | 639231797631669865 |
|
2281 ms | 172.237.146.46 |
| 103 | 2026-08-24 15:01 | 639231797631669865 |
|
2281 ms | 172.237.146.39 |
| 102 | 2026-08-24 14:07 | 639231765923559455 |
|
2242 ms | 172.237.146.39 |
| 101 | 2026-08-24 14:07 | 639231765923559455 |
|
2242 ms | 172.237.146.18 |
| 100 | 2026-08-24 14:07 | 639231765923559455 |
|
2242 ms | 172.237.146.46 |
| 99 | 2026-08-24 13:51 | 639231755868832964 |
|
237 ms | 172.237.146.46 |
| 98 | 2026-08-24 13:51 | 639231755868832964 |
|
237 ms | 172.237.146.18 |
| 97 | 2026-08-24 13:51 | 639231755868832964 |
|
237 ms | 172.237.146.39 |
| 96 | 2026-08-24 13:34 | 639231745628278877 |
|
306 ms | 172.237.146.39 |
| 95 | 2026-08-24 13:34 | 639231745628278877 |
|
306 ms | 172.237.146.46 |
| 94 | 2026-08-24 13:34 | 639231745628278877 |
|
306 ms | 172.237.146.18 |
| 93 | 2026-08-24 13:16 | 639231735407682062 |
|
316 ms | 172.237.146.18 |
| 92 | 2026-08-24 13:16 | 639231735407682062 |
|
316 ms | 172.237.146.39 |
| 91 | 2026-08-24 13:16 | 639231735407682062 |
|
316 ms | 172.237.146.46 |
| 90 | 2026-08-24 12:24 | 639231703815441688 |
|
288 ms | 172.237.146.39 |
| 89 | 2026-08-24 12:24 | 639231703815441688 |
|
288 ms | 172.237.146.18 |
| 88 | 2026-08-24 12:24 | 639231703815441688 |
|
288 ms | 172.237.146.46 |
| 87 | 2026-08-24 12:07 | 639231693747052549 |
|
314 ms | 172.237.146.39 |
| 86 | 2026-08-24 12:07 | 639231693747052549 |
|
314 ms | 172.237.146.46 |
| 85 | 2026-08-24 12:07 | 639231693747052549 |
|
314 ms | 172.237.146.18 |
| 84 | 2026-08-24 11:50 | 639231683712487276 |
|
277 ms | 172.237.146.18 |
| 83 | 2026-08-24 11:50 | 639231683712487276 |
|
277 ms | 172.237.146.46 |
| 82 | 2026-08-24 11:50 | 639231683712487276 |
|
277 ms | 172.237.146.39 |
| 81 | 2026-08-24 11:33 | 639231673513573868 |
|
305 ms | 172.237.146.39 |
| 80 | 2026-08-24 11:33 | 639231673513573868 |
|
305 ms | 172.237.146.46 |
| 79 | 2026-08-24 11:33 | 639231673513573868 |
|
305 ms | 172.237.146.18 |
| 78 | 2026-08-24 10:40 | 639231641791249939 |
|
316 ms | 172.237.146.46 |
| 77 | 2026-08-24 10:40 | 639231641791249939 |
|
316 ms | 172.237.146.18 |
| 76 | 2026-08-24 10:40 | 639231641791249939 |
|
316 ms | 172.237.146.39 |
| 75 | 2026-08-24 10:24 | 639231631866211033 |
|
304 ms | 172.237.146.18 |
| 74 | 2026-08-24 10:24 | 639231631866211033 |
|
304 ms | 172.237.146.46 |
| 73 | 2026-08-24 10:24 | 639231631866211033 |
|
304 ms | 172.237.146.39 |
| 72 | 2026-08-24 10:07 | 639231621644955316 |
|
106 ms | 172.237.146.18 |
| 71 | 2026-08-24 10:07 | 639231621644955316 |
|
106 ms | 172.237.146.39 |
| 70 | 2026-08-24 10:07 | 639231621644955316 |
|
106 ms | 172.237.146.46 |
| 69 | 2026-08-24 09:50 | 639231611478799259 |
|
272 ms | 172.237.146.39 |
| 68 | 2026-08-24 09:50 | 639231611478799259 |
|
272 ms | 172.237.146.18 |
| 67 | 2026-08-24 09:50 | 639231611478799259 |
|
272 ms | 172.237.146.46 |
| 66 | 2026-08-24 08:58 | 639231579923718211 |
|
386 ms | 172.237.146.18 |
| 65 | 2026-08-24 08:58 | 639231579923718211 |
|
386 ms | 172.237.146.39 |
| 64 | 2026-08-24 08:58 | 639231579923718211 |
|
386 ms | 172.237.146.46 |
| 63 | 2026-08-24 08:41 | 639231569810702936 |
|
301 ms | 172.237.146.39 |
| 62 | 2026-08-24 08:41 | 639231569810702936 |
|
301 ms | 172.237.146.18 |
| 61 | 2026-08-24 08:41 | 639231569810702936 |
|
301 ms | 172.237.146.46 |
| 60 | 2026-08-24 08:24 | 639231559762411619 |
|
301 ms | 172.237.146.18 |
| 59 | 2026-08-24 08:24 | 639231559762411619 |
|
301 ms | 172.237.146.46 |
| 58 | 2026-08-24 08:24 | 639231559762411619 |
|
301 ms | 172.237.146.39 |
| 57 | 2026-08-24 08:07 | 639231549663595407 |
|
331 ms | 172.237.146.39 |
| 56 | 2026-08-24 08:07 | 639231549663595407 |
|
331 ms | 172.237.146.18 |
| 55 | 2026-08-24 08:07 | 639231549663595407 |
|
331 ms | 172.237.146.46 |
| 54 | 2026-08-24 07:14 | 639231518076817246 |
|
304 ms | 172.237.146.18 |
| 53 | 2026-08-24 07:14 | 639231518076817246 |
|
304 ms | 172.237.146.46 |
| 52 | 2026-08-24 07:14 | 639231518076817246 |
|
304 ms | 172.237.146.39 |
| 51 | 2026-08-24 06:58 | 639231508078650885 |
|
299 ms | 172.237.146.46 |
| 50 | 2026-08-24 06:58 | 639231508078650885 |
|
299 ms | 172.237.146.39 |
| 49 | 2026-08-24 06:58 | 639231508078650885 |
|
299 ms | 172.237.146.18 |
| 48 | 2026-08-24 06:41 | 639231498210697093 |
|
301 ms | 172.237.146.18 |
| 47 | 2026-08-24 06:41 | 639231498210697093 |
|
301 ms | 172.237.146.39 |
| 46 | 2026-08-24 06:41 | 639231498210697093 |
|
301 ms | 172.237.146.46 |
| 45 | 2026-08-24 06:25 | 639231488109699360 |
|
422 ms | 172.237.146.46 |
| 44 | 2026-08-24 06:25 | 639231488109699360 |
|
422 ms | 172.237.146.18 |
| 43 | 2026-08-24 06:25 | 639231488109699360 |
|
422 ms | 172.237.146.39 |
| 42 | 2026-08-24 05:32 | 639231456772510692 |
|
219 ms | 172.237.146.46 |
| 41 | 2026-08-24 05:32 | 639231456772510692 |
|
219 ms | 172.237.146.39 |
| 40 | 2026-08-24 05:32 | 639231456772510692 |
|
219 ms | 172.237.146.18 |
| 39 | 2026-08-24 05:16 | 639231447084631185 |
|
326 ms | 172.237.146.18 |
| 38 | 2026-08-24 05:16 | 639231447084631185 |
|
326 ms | 172.237.146.39 |
| 37 | 2026-08-24 05:16 | 639231447084631185 |
|
326 ms | 172.237.146.46 |
| 36 | 2026-08-24 04:59 | 639231437208519473 |
|
321 ms | 172.237.146.46 |
| 35 | 2026-08-24 04:59 | 639231437208519473 |
|
321 ms | 172.237.146.39 |
| 34 | 2026-08-24 04:59 | 639231437208519473 |
|
321 ms | 172.237.146.18 |
| 33 | 2026-08-24 04:43 | 639231427209627490 |
|
218 ms | 172.237.146.18 |
| 32 | 2026-08-24 04:43 | 639231427209627490 |
|
218 ms | 172.237.146.39 |
| 31 | 2026-08-24 04:43 | 639231427209627490 |
|
218 ms | 172.237.146.46 |
| 30 | 2026-08-24 03:50 | 639231395791246644 |
|
120 ms | 172.237.146.18 |
| 29 | 2026-08-24 03:50 | 639231395791246644 |
|
120 ms | 172.237.146.46 |
| 28 | 2026-08-24 03:50 | 639231395791246644 |
|
120 ms | 172.237.146.39 |
| 27 | 2026-08-24 03:34 | 639231386075551458 |
|
303 ms | 172.237.146.39 |
| 26 | 2026-08-24 03:34 | 639231386075551458 |
|
303 ms | 172.237.146.18 |
| 25 | 2026-08-24 03:34 | 639231386075551458 |
|
303 ms | 172.237.146.46 |
| 24 | 2026-08-24 03:18 | 639231376208713791 |
|
276 ms | 172.237.146.39 |
| 23 | 2026-08-24 03:18 | 639231376208713791 |
|
276 ms | 172.237.146.46 |
| 22 | 2026-08-24 03:18 | 639231376208713791 |
|
276 ms | 172.237.146.18 |
| 21 | 2026-08-24 03:01 | 639231366170589276 |
|
301 ms | 172.237.146.46 |
| 20 | 2026-08-24 03:01 | 639231366170589276 |
|
301 ms | 172.237.146.39 |
| 19 | 2026-08-24 03:01 | 639231366170589276 |
|
301 ms | 172.237.146.18 |
| 18 | 2026-08-24 02:09 | 639231334732159368 |
|
160 ms | 172.237.146.46 |
| 17 | 2026-08-24 02:09 | 639231334732159368 |
|
160 ms | 172.237.146.18 |
| 16 | 2026-08-24 02:09 | 639231334732159368 |
|
160 ms | 172.237.146.39 |
| 15 | 2026-08-24 01:52 | 639231325035670078 |
|
112 ms | 172.237.146.46 |
| 14 | 2026-08-24 01:52 | 639231325035670078 |
|
112 ms | 172.237.146.18 |
| 13 | 2026-08-24 01:52 | 639231325035670078 |
|
112 ms | 172.237.146.39 |
| 12 | 2026-08-24 01:36 | 639231315132253837 |
|
301 ms | 172.237.146.39 |
| 11 | 2026-08-24 01:36 | 639231315132253837 |
|
301 ms | 172.237.146.18 |
| 10 | 2026-08-24 01:36 | 639231315132253837 |
|
301 ms | 172.237.146.46 |
| 9 | 2026-08-24 01:19 | 639231305014280808 |
|
301 ms | 172.237.146.39 |
| 8 | 2026-08-24 01:19 | 639231305014280808 |
|
301 ms | 172.237.146.18 |
| 7 | 2026-08-24 01:19 | 639231305014280808 |
|
301 ms | 172.237.146.46 |
| 6 | 2026-08-24 00:27 | 639231273779380675 |
|
2233 ms | 172.237.146.39 |
| 5 | 2026-08-24 00:27 | 639231273779380675 |
|
2233 ms | 172.237.146.46 |
| 4 | 2026-08-24 00:27 | 639231273779380675 |
|
2233 ms | 172.237.146.18 |
| 3 | 2026-08-24 00:11 | 639231264180839154 |
|
427 ms | 172.237.146.18 |
| 2 | 2026-08-24 00:11 | 639231264180839154 |
|
427 ms | 172.237.146.46 |
| 1 | 2026-08-24 00:11 | 639231264180839154 |
|
427 ms | 172.237.146.39 |