History for alex.ns.cloudeflare.com
Domain: cloudeflare.com • Tracking since 2026-08-04 23:25 UTC
DNS response history for alex.ns.cloudeflare.com
alex.ns.cloudeflare.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 2026-08-25. For this date, NameServerHistory found 196 DNS check records, 195 successful responses, 1 failed responses, and 643 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 alex.ns.cloudeflare.com.
Records on Selected Date
196
Historical checks stored for this nameserver on selected date
Average Latency
643 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 22:28
All timestamps shown in UTC
Latest Resolved IP on Selected Date
172.237.146.39
Most recently resolved hosting IP on selected date
Successful Responses
195
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 alex.ns.cloudeflare.com
Showing DNS history for 2026-08-25 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 |
|---|---|---|---|---|---|
| 196 | 2026-08-25 22:28 | 639232932163142799 |
|
327 ms | 172.237.146.39 |
| 195 | 2026-08-25 22:28 | 639232932163142799 |
|
327 ms | 172.237.146.46 |
| 194 | 2026-08-25 22:28 | 639232932163142799 |
|
327 ms | 172.237.146.18 |
| 193 | 2026-08-25 22:11 | 639232921673215474 |
|
285 ms | 172.237.146.39 |
| 192 | 2026-08-25 22:11 | 639232921673215474 |
|
285 ms | 172.237.146.46 |
| 191 | 2026-08-25 22:11 | 639232921673215474 |
|
285 ms | 172.237.146.18 |
| 190 | 2026-08-25 21:53 | 639232911234504639 |
|
336 ms | 172.237.146.18 |
| 189 | 2026-08-25 21:53 | 639232911234504639 |
|
336 ms | 172.237.146.46 |
| 188 | 2026-08-25 21:53 | 639232911234504639 |
|
336 ms | 172.237.146.39 |
| 187 | 2026-08-25 21:36 | 639232900747078453 |
|
212 ms | 172.237.146.18 |
| 186 | 2026-08-25 21:36 | 639232900747078453 |
|
212 ms | 172.237.146.39 |
| 185 | 2026-08-25 21:36 | 639232900747078453 |
|
212 ms | 172.237.146.46 |
| 184 | 2026-08-25 21:18 | 639232890389222534 |
|
327 ms | 172.237.146.39 |
| 183 | 2026-08-25 21:18 | 639232890389222534 |
|
327 ms | 172.237.146.18 |
| 182 | 2026-08-25 21:18 | 639232890389222534 |
|
327 ms | 172.237.146.46 |
| 181 | 2026-08-25 21:01 | 639232880143390843 |
|
315 ms | 172.237.146.18 |
| 180 | 2026-08-25 21:01 | 639232880143390843 |
|
315 ms | 172.237.146.46 |
| 179 | 2026-08-25 21:01 | 639232880143390843 |
|
315 ms | 172.237.146.39 |
| 178 | 2026-08-25 20:44 | 639232869755024069 |
|
113 ms | 172.237.146.39 |
| 177 | 2026-08-25 20:44 | 639232869755024069 |
|
113 ms | 172.237.146.46 |
| 176 | 2026-08-25 20:44 | 639232869755024069 |
|
113 ms | 172.237.146.18 |
| 175 | 2026-08-25 20:27 | 639232859355940346 |
|
141 ms | 172.237.146.18 |
| 174 | 2026-08-25 20:27 | 639232859355940346 |
|
141 ms | 172.237.146.46 |
| 173 | 2026-08-25 20:27 | 639232859355940346 |
|
141 ms | 172.237.146.39 |
| 172 | 2026-08-25 20:09 | 639232848992244953 |
|
380 ms | 172.237.146.39 |
| 171 | 2026-08-25 20:09 | 639232848992244953 |
|
380 ms | 172.237.146.46 |
| 170 | 2026-08-25 20:09 | 639232848992244953 |
|
380 ms | 172.237.146.18 |
| 169 | 2026-08-25 19:52 | 639232838596478500 |
|
203 ms | 172.237.146.39 |
| 168 | 2026-08-25 19:52 | 639232838596478500 |
|
203 ms | 172.237.146.18 |
| 167 | 2026-08-25 19:52 | 639232838596478500 |
|
203 ms | 172.237.146.46 |
| 166 | 2026-08-25 19:35 | 639232828175327683 |
|
253 ms | 172.237.146.39 |
| 165 | 2026-08-25 19:35 | 639232828175327683 |
|
253 ms | 172.237.146.18 |
| 164 | 2026-08-25 19:35 | 639232828175327683 |
|
253 ms | 172.237.146.46 |
| 163 | 2026-08-25 19:17 | 639232817798330473 |
|
214 ms | 172.237.146.18 |
| 162 | 2026-08-25 19:17 | 639232817798330473 |
|
214 ms | 172.237.146.39 |
| 161 | 2026-08-25 19:17 | 639232817798330473 |
|
214 ms | 172.237.146.46 |
| 160 | 2026-08-25 18:23 | 639232785462407552 |
|
211 ms | 172.237.146.46 |
| 159 | 2026-08-25 18:23 | 639232785462407552 |
|
211 ms | 172.237.146.39 |
| 158 | 2026-08-25 18:23 | 639232785462407552 |
|
211 ms | 172.237.146.18 |
| 157 | 2026-08-25 18:06 | 639232775177487032 |
|
238 ms | 172.237.146.46 |
| 156 | 2026-08-25 18:06 | 639232775177487032 |
|
238 ms | 172.237.146.18 |
| 155 | 2026-08-25 18:06 | 639232775177487032 |
|
238 ms | 172.237.146.39 |
| 154 | 2026-08-25 17:49 | 639232764991087115 |
|
209 ms | 172.237.146.39 |
| 153 | 2026-08-25 17:49 | 639232764991087115 |
|
209 ms | 172.237.146.46 |
| 152 | 2026-08-25 17:49 | 639232764991087115 |
|
209 ms | 172.237.146.18 |
| 151 | 2026-08-25 17:32 | 639232754842971478 |
|
541 ms | 172.237.146.18 |
| 150 | 2026-08-25 17:32 | 639232754842971478 |
|
541 ms | 172.237.146.46 |
| 149 | 2026-08-25 17:32 | 639232754842971478 |
|
541 ms | 172.237.146.39 |
| 148 | 2026-08-25 17:15 | 639232744455159107 |
|
215 ms | 172.237.146.18 |
| 147 | 2026-08-25 17:15 | 639232744455159107 |
|
215 ms | 172.237.146.39 |
| 146 | 2026-08-25 17:15 | 639232744455159107 |
|
215 ms | 172.237.146.46 |
| 145 | 2026-08-25 16:58 | 639232734145178231 |
|
210 ms | 172.237.146.18 |
| 144 | 2026-08-25 16:58 | 639232734145178231 |
|
210 ms | 172.237.146.46 |
| 143 | 2026-08-25 16:58 | 639232734145178231 |
|
210 ms | 172.237.146.39 |
| 142 | 2026-08-25 16:41 | 639232723827874402 |
|
219 ms | 172.237.146.18 |
| 141 | 2026-08-25 16:41 | 639232723827874402 |
|
219 ms | 172.237.146.39 |
| 140 | 2026-08-25 16:41 | 639232723827874402 |
|
219 ms | 172.237.146.46 |
| 139 | 2026-08-25 16:24 | 639232713533011892 |
|
104 ms | 172.237.146.39 |
| 138 | 2026-08-25 16:24 | 639232713533011892 |
|
104 ms | 172.237.146.46 |
| 137 | 2026-08-25 16:24 | 639232713533011892 |
|
104 ms | 172.237.146.18 |
| 136 | 2026-08-25 16:06 | 639232703065318207 |
|
202 ms | 172.237.146.39 |
| 135 | 2026-08-25 16:06 | 639232703065318207 |
|
202 ms | 172.237.146.18 |
| 134 | 2026-08-25 16:06 | 639232703065318207 |
|
202 ms | 172.237.146.46 |
| 133 | 2026-08-25 15:49 | 639232692629559470 |
|
162 ms | 172.237.146.39 |
| 132 | 2026-08-25 15:49 | 639232692629559470 |
|
162 ms | 172.237.146.46 |
| 131 | 2026-08-25 15:49 | 639232692629559470 |
|
162 ms | 172.237.146.18 |
| 130 | 2026-08-25 15:31 | 639232682238836475 |
|
113 ms | 172.237.146.46 |
| 129 | 2026-08-25 15:31 | 639232682238836475 |
|
113 ms | 172.237.146.18 |
| 128 | 2026-08-25 15:31 | 639232682238836475 |
|
113 ms | 172.237.146.39 |
| 127 | 2026-08-25 15:14 | 639232671787004306 |
|
313 ms | 172.237.146.18 |
| 126 | 2026-08-25 15:14 | 639232671787004306 |
|
313 ms | 172.237.146.46 |
| 125 | 2026-08-25 15:14 | 639232671787004306 |
|
313 ms | 172.237.146.39 |
| 124 | 2026-08-25 14:19 | 639232638994329666 |
|
112 ms | 172.237.146.46 |
| 123 | 2026-08-25 14:19 | 639232638994329666 |
|
112 ms | 172.237.146.18 |
| 122 | 2026-08-25 14:19 | 639232638994329666 |
|
112 ms | 172.237.146.39 |
| 121 | 2026-08-25 14:02 | 639232628614783237 |
|
109 ms | 172.237.146.46 |
| 120 | 2026-08-25 14:02 | 639232628614783237 |
|
109 ms | 172.237.146.39 |
| 119 | 2026-08-25 14:02 | 639232628614783237 |
|
109 ms | 172.237.146.18 |
| 118 | 2026-08-25 13:45 | 639232618360728578 |
|
221 ms | 172.237.146.18 |
| 117 | 2026-08-25 13:45 | 639232618360728578 |
|
221 ms | 172.237.146.39 |
| 116 | 2026-08-25 13:45 | 639232618360728578 |
|
221 ms | 172.237.146.46 |
| 115 | 2026-08-25 13:28 | 639232608016476376 |
|
305 ms | 172.237.146.39 |
| 114 | 2026-08-25 13:28 | 639232608016476376 |
|
305 ms | 172.237.146.46 |
| 113 | 2026-08-25 13:28 | 639232608016476376 |
|
305 ms | 172.237.146.18 |
| 112 | 2026-08-25 13:10 | 639232597643611557 |
|
106 ms | 172.237.146.46 |
| 111 | 2026-08-25 13:10 | 639232597643611557 |
|
106 ms | 172.237.146.18 |
| 110 | 2026-08-25 13:10 | 639232597643611557 |
|
106 ms | 172.237.146.39 |
| 109 | 2026-08-25 12:53 | 639232587225721862 |
|
331 ms | 172.237.146.18 |
| 108 | 2026-08-25 12:53 | 639232587225721862 |
|
331 ms | 172.237.146.46 |
| 107 | 2026-08-25 12:53 | 639232587225721862 |
|
331 ms | 172.237.146.39 |
| 106 | 2026-08-25 12:36 | 639232576780683689 |
|
256 ms | 172.237.146.46 |
| 105 | 2026-08-25 12:36 | 639232576780683689 |
|
256 ms | 172.237.146.18 |
| 104 | 2026-08-25 12:36 | 639232576780683689 |
|
256 ms | 172.237.146.39 |
| 103 | 2026-08-25 12:18 | 639232566381512620 |
|
218 ms | 172.237.146.39 |
| 102 | 2026-08-25 12:18 | 639232566381512620 |
|
218 ms | 172.237.146.18 |
| 101 | 2026-08-25 12:18 | 639232566381512620 |
|
218 ms | 172.237.146.46 |
| 100 | 2026-08-25 12:01 | 639232556111768563 |
|
229 ms | 172.237.146.18 |
| 99 | 2026-08-25 12:01 | 639232556111768563 |
|
229 ms | 172.237.146.39 |
| 98 | 2026-08-25 12:01 | 639232556111768563 |
|
229 ms | 172.237.146.46 |
| 97 | 2026-08-25 11:44 | 639232545839529039 |
|
278 ms | 172.237.146.39 |
| 96 | 2026-08-25 11:44 | 639232545839529039 |
|
278 ms | 172.237.146.46 |
| 95 | 2026-08-25 11:44 | 639232545839529039 |
|
278 ms | 172.237.146.18 |
| 94 | 2026-08-25 11:27 | 639232535349285207 |
|
328 ms | 172.237.146.39 |
| 93 | 2026-08-25 11:27 | 639232535349285207 |
|
328 ms | 172.237.146.46 |
| 92 | 2026-08-25 11:27 | 639232535349285207 |
|
328 ms | 172.237.146.18 |
| 91 | 2026-08-25 11:09 | 639232524938080723 |
|
105 ms | 172.237.146.18 |
| 90 | 2026-08-25 11:09 | 639232524938080723 |
|
105 ms | 172.237.146.46 |
| 89 | 2026-08-25 11:09 | 639232524938080723 |
|
105 ms | 172.237.146.39 |
| 88 | 2026-08-25 10:15 | 639232492740373468 |
|
203 ms | 172.237.146.39 |
| 87 | 2026-08-25 10:15 | 639232492740373468 |
|
203 ms | 172.237.146.46 |
| 86 | 2026-08-25 10:15 | 639232492740373468 |
|
203 ms | 172.237.146.18 |
| 85 | 2026-08-25 09:58 | 639232482235303141 |
|
203 ms | 172.237.146.46 |
| 84 | 2026-08-25 09:58 | 639232482235303141 |
|
203 ms | 172.237.146.39 |
| 83 | 2026-08-25 09:58 | 639232482235303141 |
|
203 ms | 172.237.146.18 |
| 82 | 2026-08-25 09:41 | 639232471861770303 |
|
141 ms | 172.237.146.46 |
| 81 | 2026-08-25 09:41 | 639232471861770303 |
|
141 ms | 172.237.146.18 |
| 80 | 2026-08-25 09:41 | 639232471861770303 |
|
141 ms | 172.237.146.39 |
| 79 | 2026-08-25 09:24 | 639232461630217327 |
|
4104 ms | 172.237.146.46 |
| 78 | 2026-08-25 09:24 | 639232461630217327 |
|
4104 ms | 172.237.146.39 |
| 77 | 2026-08-25 09:24 | 639232461630217327 |
|
4104 ms | 172.237.146.18 |
| 76 | 2026-08-25 09:07 | 639232451282965990 |
|
- | |
| 75 | 2026-08-25 08:49 | 639232440814614938 |
|
5679 ms | 172.237.146.39 |
| 74 | 2026-08-25 08:49 | 639232440814614938 |
|
5679 ms | 172.237.146.46 |
| 73 | 2026-08-25 08:49 | 639232440814614938 |
|
5679 ms | 172.237.146.18 |
| 72 | 2026-08-25 08:32 | 639232430410720425 |
|
3534 ms | 172.237.146.18 |
| 71 | 2026-08-25 08:32 | 639232430410720425 |
|
3534 ms | 172.237.146.39 |
| 70 | 2026-08-25 08:32 | 639232430410720425 |
|
3534 ms | 172.237.146.46 |
| 69 | 2026-08-25 08:14 | 639232420003096185 |
|
238 ms | 172.237.146.18 |
| 68 | 2026-08-25 08:14 | 639232420003096185 |
|
238 ms | 172.237.146.46 |
| 67 | 2026-08-25 08:14 | 639232420003096185 |
|
238 ms | 172.237.146.39 |
| 66 | 2026-08-25 07:57 | 639232409467287444 |
|
215 ms | 172.237.146.46 |
| 65 | 2026-08-25 07:57 | 639232409467287444 |
|
215 ms | 172.237.146.18 |
| 64 | 2026-08-25 07:57 | 639232409467287444 |
|
215 ms | 172.237.146.39 |
| 63 | 2026-08-25 07:39 | 639232399077195997 |
|
4127 ms | 172.237.146.39 |
| 62 | 2026-08-25 07:39 | 639232399077195997 |
|
4127 ms | 172.237.146.46 |
| 61 | 2026-08-25 07:39 | 639232399077195997 |
|
4127 ms | 172.237.146.18 |
| 60 | 2026-08-25 07:22 | 639232388731528337 |
|
357 ms | 172.237.146.46 |
| 59 | 2026-08-25 07:22 | 639232388731528337 |
|
357 ms | 172.237.146.18 |
| 58 | 2026-08-25 07:22 | 639232388731528337 |
|
357 ms | 172.237.146.39 |
| 57 | 2026-08-25 07:05 | 639232378288598612 |
|
2245 ms | 172.237.146.18 |
| 56 | 2026-08-25 07:05 | 639232378288598612 |
|
2245 ms | 172.237.146.39 |
| 55 | 2026-08-25 07:05 | 639232378288598612 |
|
2245 ms | 172.237.146.46 |
| 54 | 2026-08-25 06:11 | 639232346196373643 |
|
651 ms | 172.237.146.39 |
| 53 | 2026-08-25 06:11 | 639232346196373643 |
|
651 ms | 172.237.146.18 |
| 52 | 2026-08-25 06:11 | 639232346196373643 |
|
651 ms | 172.237.146.46 |
| 51 | 2026-08-25 05:54 | 639232336112370741 |
|
2287 ms | 172.237.146.39 |
| 50 | 2026-08-25 05:54 | 639232336112370741 |
|
2287 ms | 172.237.146.18 |
| 49 | 2026-08-25 05:54 | 639232336112370741 |
|
2287 ms | 172.237.146.46 |
| 48 | 2026-08-25 05:38 | 639232326146508970 |
|
2118 ms | 172.237.146.39 |
| 47 | 2026-08-25 05:38 | 639232326146508970 |
|
2118 ms | 172.237.146.46 |
| 46 | 2026-08-25 05:38 | 639232326146508970 |
|
2118 ms | 172.237.146.18 |
| 45 | 2026-08-25 05:21 | 639232316189381720 |
|
120 ms | 172.237.146.39 |
| 44 | 2026-08-25 05:21 | 639232316189381720 |
|
120 ms | 172.237.146.46 |
| 43 | 2026-08-25 05:21 | 639232316189381720 |
|
120 ms | 172.237.146.18 |
| 42 | 2026-08-25 05:05 | 639232306217998913 |
|
221 ms | 172.237.146.46 |
| 41 | 2026-08-25 05:05 | 639232306217998913 |
|
221 ms | 172.237.146.18 |
| 40 | 2026-08-25 05:05 | 639232306217998913 |
|
221 ms | 172.237.146.39 |
| 39 | 2026-08-25 04:48 | 639232296255744174 |
|
107 ms | 172.237.146.39 |
| 38 | 2026-08-25 04:48 | 639232296255744174 |
|
107 ms | 172.237.146.46 |
| 37 | 2026-08-25 04:48 | 639232296255744174 |
|
107 ms | 172.237.146.18 |
| 36 | 2026-08-25 04:31 | 639232286095760789 |
|
103 ms | 172.237.146.39 |
| 35 | 2026-08-25 04:31 | 639232286095760789 |
|
103 ms | 172.237.146.18 |
| 34 | 2026-08-25 04:31 | 639232286095760789 |
|
103 ms | 172.237.146.46 |
| 33 | 2026-08-25 04:14 | 639232276086186273 |
|
102 ms | 172.237.146.39 |
| 32 | 2026-08-25 04:14 | 639232276086186273 |
|
102 ms | 172.237.146.18 |
| 31 | 2026-08-25 04:14 | 639232276086186273 |
|
102 ms | 172.237.146.46 |
| 30 | 2026-08-25 03:57 | 639232265900986425 |
|
2318 ms | 172.237.146.18 |
| 29 | 2026-08-25 03:57 | 639232265900986425 |
|
2318 ms | 172.237.146.39 |
| 28 | 2026-08-25 03:57 | 639232265900986425 |
|
2318 ms | 172.237.146.46 |
| 27 | 2026-08-25 03:40 | 639232255723518075 |
|
211 ms | 172.237.146.39 |
| 26 | 2026-08-25 03:40 | 639232255723518075 |
|
211 ms | 172.237.146.18 |
| 25 | 2026-08-25 03:40 | 639232255723518075 |
|
211 ms | 172.237.146.46 |
| 24 | 2026-08-25 03:23 | 639232245484452890 |
|
327 ms | 172.237.146.46 |
| 23 | 2026-08-25 03:23 | 639232245484452890 |
|
327 ms | 172.237.146.18 |
| 22 | 2026-08-25 03:23 | 639232245484452890 |
|
327 ms | 172.237.146.39 |
| 21 | 2026-08-25 03:06 | 639232235157175331 |
|
309 ms | 172.237.146.46 |
| 20 | 2026-08-25 03:06 | 639232235157175331 |
|
309 ms | 172.237.146.39 |
| 19 | 2026-08-25 03:06 | 639232235157175331 |
|
309 ms | 172.237.146.18 |
| 18 | 2026-08-25 02:13 | 639232203197189095 |
|
223 ms | 172.237.146.18 |
| 17 | 2026-08-25 02:13 | 639232203197189095 |
|
223 ms | 172.237.146.39 |
| 16 | 2026-08-25 02:13 | 639232203197189095 |
|
223 ms | 172.237.146.46 |
| 15 | 2026-08-25 01:56 | 639232192844564298 |
|
204 ms | 172.237.146.46 |
| 14 | 2026-08-25 01:56 | 639232192844564298 |
|
204 ms | 172.237.146.18 |
| 13 | 2026-08-25 01:56 | 639232192844564298 |
|
204 ms | 172.237.146.39 |
| 12 | 2026-08-25 01:38 | 639232182496008942 |
|
2235 ms | 172.237.146.46 |
| 11 | 2026-08-25 01:38 | 639232182496008942 |
|
2235 ms | 172.237.146.18 |
| 10 | 2026-08-25 01:38 | 639232182496008942 |
|
2235 ms | 172.237.146.39 |
| 9 | 2026-08-25 01:21 | 639232172197053132 |
|
319 ms | 172.237.146.39 |
| 8 | 2026-08-25 01:21 | 639232172197053132 |
|
319 ms | 172.237.146.46 |
| 7 | 2026-08-25 01:21 | 639232172197053132 |
|
319 ms | 172.237.146.18 |
| 6 | 2026-08-25 00:28 | 639232140250307418 |
|
106 ms | 172.237.146.46 |
| 5 | 2026-08-25 00:28 | 639232140250307418 |
|
106 ms | 172.237.146.39 |
| 4 | 2026-08-25 00:28 | 639232140250307418 |
|
106 ms | 172.237.146.18 |
| 3 | 2026-08-25 00:11 | 639232129927860324 |
|
320 ms | 172.237.146.46 |
| 2 | 2026-08-25 00:11 | 639232129927860324 |
|
320 ms | 172.237.146.39 |
| 1 | 2026-08-25 00:11 | 639232129927860324 |
|
320 ms | 172.237.146.18 |