History for ns21.cfirsthost.com
Domain: cfirsthost.com • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns21.cfirsthost.com
ns21.cfirsthost.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 74 DNS check records, 74 successful responses, 0 failed responses, and 312 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 ns21.cfirsthost.com.
Records on Selected Date
74
Historical checks stored for this nameserver on selected date
Average Latency
312 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-22 23:53
All timestamps shown in UTC
Latest Resolved IP on Selected Date
170.249.233.193
Most recently resolved hosting IP on selected date
Successful Responses
74
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 ns21.cfirsthost.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 |
|---|---|---|---|---|---|
| 74 | 2026-08-22 23:53 | 639230391807229016 |
|
120 ms | 170.249.233.193 |
| 73 | 2026-08-22 23:37 | 639230382051619327 |
|
121 ms | 170.249.233.193 |
| 72 | 2026-08-22 23:20 | 639230372323353529 |
|
2136 ms | 170.249.233.193 |
| 71 | 2026-08-22 23:04 | 639230362586451064 |
|
33 ms | 170.249.233.193 |
| 70 | 2026-08-22 22:48 | 639230352793666303 |
|
235 ms | 170.249.233.193 |
| 69 | 2026-08-22 22:31 | 639230342775737758 |
|
117 ms | 170.249.233.193 |
| 68 | 2026-08-22 22:14 | 639230332639939561 |
|
232 ms | 170.249.233.193 |
| 67 | 2026-08-22 21:21 | 639230301014190104 |
|
233 ms | 170.249.233.193 |
| 66 | 2026-08-22 21:05 | 639230291048161498 |
|
167 ms | 170.249.233.193 |
| 65 | 2026-08-22 20:48 | 639230280894353664 |
|
2221 ms | 170.249.233.193 |
| 64 | 2026-08-22 20:31 | 639230270699419073 |
|
114 ms | 170.249.233.193 |
| 63 | 2026-08-22 20:14 | 639230260248163050 |
|
114 ms | 170.249.233.193 |
| 62 | 2026-08-22 19:57 | 639230250122494282 |
|
209 ms | 170.249.233.193 |
| 61 | 2026-08-22 19:40 | 639230239972935046 |
|
12 ms | 170.249.233.193 |
| 60 | 2026-08-22 19:23 | 639230229963262464 |
|
25 ms | 170.249.233.193 |
| 59 | 2026-08-22 19:06 | 639230220033804658 |
|
111 ms | 170.249.233.193 |
| 58 | 2026-08-22 18:50 | 639230209891107289 |
|
140 ms | 170.249.233.193 |
| 57 | 2026-08-22 18:32 | 639230199630298717 |
|
2124 ms | 170.249.233.193 |
| 56 | 2026-08-22 18:15 | 639230189301984150 |
|
228 ms | 170.249.233.193 |
| 55 | 2026-08-22 17:22 | 639230157138468804 |
|
216 ms | 170.249.233.193 |
| 54 | 2026-08-22 17:05 | 639230146987869495 |
|
228 ms | 170.249.233.193 |
| 53 | 2026-08-22 16:48 | 639230136768638516 |
|
111 ms | 170.249.233.193 |
| 52 | 2026-08-22 16:31 | 639230126735907877 |
|
229 ms | 170.249.233.193 |
| 51 | 2026-08-22 16:14 | 639230116551187768 |
|
221 ms | 170.249.233.193 |
| 50 | 2026-08-22 15:57 | 639230106335615913 |
|
232 ms | 170.249.233.193 |
| 49 | 2026-08-22 15:40 | 639230096177758176 |
|
236 ms | 170.249.233.193 |
| 48 | 2026-08-22 15:23 | 639230086185999993 |
|
126 ms | 170.249.233.193 |
| 47 | 2026-08-22 15:07 | 639230076247854903 |
|
2129 ms | 170.249.233.193 |
| 46 | 2026-08-22 14:50 | 639230066076077530 |
|
123 ms | 170.249.233.193 |
| 45 | 2026-08-22 14:33 | 639230055738197328 |
|
233 ms | 170.249.233.193 |
| 44 | 2026-08-22 14:15 | 639230045411225521 |
|
224 ms | 170.249.233.193 |
| 43 | 2026-08-22 13:21 | 639230013046000470 |
|
224 ms | 170.249.233.193 |
| 42 | 2026-08-22 13:05 | 639230003090037878 |
|
110 ms | 170.249.233.193 |
| 41 | 2026-08-22 12:48 | 639229993008259475 |
|
229 ms | 170.249.233.193 |
| 40 | 2026-08-22 12:31 | 639229982909449470 |
|
152 ms | 170.249.233.193 |
| 39 | 2026-08-22 12:15 | 639229973035502212 |
|
10 ms | 170.249.233.193 |
| 38 | 2026-08-22 11:58 | 639229963064296145 |
|
114 ms | 170.249.233.193 |
| 37 | 2026-08-22 11:42 | 639229952996162143 |
|
217 ms | 170.249.233.193 |
| 36 | 2026-08-22 11:25 | 639229943051949195 |
|
122 ms | 170.249.233.193 |
| 35 | 2026-08-22 11:08 | 639229932919214934 |
|
120 ms | 170.249.233.193 |
| 34 | 2026-08-22 10:51 | 639229922745889838 |
|
221 ms | 170.249.233.193 |
| 33 | 2026-08-22 10:34 | 639229912587214796 |
|
110 ms | 170.249.233.193 |
| 32 | 2026-08-22 10:17 | 639229902240004454 |
|
2230 ms | 170.249.233.193 |
| 31 | 2026-08-22 09:24 | 639229870800501662 |
|
234 ms | 170.249.233.193 |
| 30 | 2026-08-22 09:08 | 639229861058384956 |
|
222 ms | 170.249.233.193 |
| 29 | 2026-08-22 08:52 | 639229851158592604 |
|
4 ms | 170.249.233.193 |
| 28 | 2026-08-22 08:36 | 639229841475569629 |
|
229 ms | 170.249.233.193 |
| 27 | 2026-08-22 08:20 | 639229831887658471 |
|
130 ms | 170.249.233.193 |
| 26 | 2026-08-22 08:03 | 639229822043670346 |
|
11 ms | 170.249.233.193 |
| 25 | 2026-08-22 07:47 | 639229812327913936 |
|
5 ms | 170.249.233.193 |
| 24 | 2026-08-22 07:31 | 639229802629488686 |
|
106 ms | 170.249.233.193 |
| 23 | 2026-08-22 07:15 | 639229793051447309 |
|
224 ms | 170.249.233.193 |
| 22 | 2026-08-22 06:59 | 639229783303531961 |
|
35 ms | 170.249.233.193 |
| 21 | 2026-08-22 06:42 | 639229773458051942 |
|
4 ms | 170.249.233.193 |
| 20 | 2026-08-22 06:25 | 639229763373848056 |
|
232 ms | 170.249.233.193 |
| 19 | 2026-08-22 05:33 | 639229732140622809 |
|
48 ms | 170.249.233.193 |
| 18 | 2026-08-22 05:18 | 639229722699695967 |
|
129 ms | 170.249.233.193 |
| 17 | 2026-08-22 05:02 | 639229713097498075 |
|
261 ms | 170.249.233.193 |
| 16 | 2026-08-22 04:46 | 639229703543969637 |
|
35 ms | 170.249.233.193 |
| 15 | 2026-08-22 04:30 | 639229693970392873 |
|
134 ms | 170.249.233.193 |
| 14 | 2026-08-22 04:13 | 639229684277329469 |
|
124 ms | 170.249.233.193 |
| 13 | 2026-08-22 03:57 | 639229674501596661 |
|
107 ms | 170.249.233.193 |
| 12 | 2026-08-22 03:41 | 639229665064441147 |
|
31 ms | 170.249.233.193 |
| 11 | 2026-08-22 03:25 | 639229655507536872 |
|
197 ms | 170.249.233.193 |
| 10 | 2026-08-22 03:09 | 639229645849603111 |
|
236 ms | 170.249.233.193 |
| 9 | 2026-08-22 02:53 | 639229636090497453 |
|
215 ms | 170.249.233.193 |
| 8 | 2026-08-22 02:36 | 639229625978544281 |
|
129 ms | 170.249.233.193 |
| 7 | 2026-08-22 01:44 | 639229594644662176 |
|
214 ms | 170.249.233.193 |
| 6 | 2026-08-22 01:28 | 639229585214633065 |
|
109 ms | 170.249.233.193 |
| 5 | 2026-08-22 01:12 | 639229575581042175 |
|
110 ms | 170.249.233.193 |
| 4 | 2026-08-22 00:56 | 639229565912268962 |
|
222 ms | 170.249.233.193 |
| 3 | 2026-08-22 00:40 | 639229556237813203 |
|
2109 ms | 170.249.233.193 |
| 2 | 2026-08-22 00:24 | 639229546625802518 |
|
123 ms | 170.249.233.193 |
| 1 | 2026-08-22 00:08 | 639229537172016621 |
|
229 ms | 170.249.233.193 |