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 2026-08-08. For this date, NameServerHistory found 63 DNS check records, 63 successful responses, 0 failed responses, and 357 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
63
Historical checks stored for this nameserver on selected date
Average Latency
357 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-08 23:46
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
63
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 2026-08-08 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 |
|---|---|---|---|---|---|
| 63 | 2026-08-08 23:46 | 639218291874134258 |
|
116 ms | 170.249.233.193 |
| 62 | 2026-08-08 23:31 | 639218282817785496 |
|
152 ms | 170.249.233.193 |
| 61 | 2026-08-08 22:39 | 639218252106422334 |
|
218 ms | 170.249.233.193 |
| 60 | 2026-08-08 22:25 | 639218243323944113 |
|
112 ms | 170.249.233.193 |
| 59 | 2026-08-08 22:10 | 639218234397020230 |
|
128 ms | 170.249.233.193 |
| 58 | 2026-08-08 21:55 | 639218225412858763 |
|
221 ms | 170.249.233.193 |
| 57 | 2026-08-08 21:05 | 639218194282616684 |
|
119 ms | 170.249.233.193 |
| 56 | 2026-08-08 20:50 | 639218185036989606 |
|
226 ms | 170.249.233.193 |
| 55 | 2026-08-08 20:34 | 639218175974363575 |
|
110 ms | 170.249.233.193 |
| 54 | 2026-08-08 20:19 | 639218166972644815 |
|
10 ms | 170.249.233.193 |
| 53 | 2026-08-08 19:28 | 639218135900313734 |
|
12 ms | 170.249.233.193 |
| 52 | 2026-08-08 19:13 | 639218127088470726 |
|
10 ms | 170.249.233.193 |
| 51 | 2026-08-08 18:58 | 639218118310406743 |
|
120 ms | 170.249.233.193 |
| 50 | 2026-08-08 18:43 | 639218109452520238 |
|
110 ms | 170.249.233.193 |
| 49 | 2026-08-08 17:52 | 639218078440804962 |
|
149 ms | 170.249.233.193 |
| 48 | 2026-08-08 17:37 | 639218069827056995 |
|
192 ms | 170.249.233.193 |
| 47 | 2026-08-08 17:22 | 639218060928974999 |
|
117 ms | 170.249.233.193 |
| 46 | 2026-08-08 17:08 | 639218052072104591 |
|
110 ms | 170.249.233.193 |
| 45 | 2026-08-08 16:17 | 639218021131612993 |
|
265 ms | 170.249.233.193 |
| 44 | 2026-08-08 16:02 | 639218012544891033 |
|
105 ms | 170.249.233.193 |
| 43 | 2026-08-08 15:48 | 639218003733822367 |
|
114 ms | 170.249.233.193 |
| 42 | 2026-08-08 15:33 | 639217994998349201 |
|
117 ms | 170.249.233.193 |
| 41 | 2026-08-08 14:41 | 639217963788814319 |
|
109 ms | 170.249.233.193 |
| 40 | 2026-08-08 14:27 | 639217955087396874 |
|
2126 ms | 170.249.233.193 |
| 39 | 2026-08-08 14:12 | 639217946350294952 |
|
110 ms | 170.249.233.193 |
| 38 | 2026-08-08 13:57 | 639217937526020436 |
|
109 ms | 170.249.233.193 |
| 37 | 2026-08-08 13:06 | 639217906769667024 |
|
132 ms | 170.249.233.193 |
| 36 | 2026-08-08 12:52 | 639217898300938849 |
|
110 ms | 170.249.233.193 |
| 35 | 2026-08-08 12:38 | 639217889778639925 |
|
119 ms | 170.249.233.193 |
| 34 | 2026-08-08 12:23 | 639217881083065140 |
|
119 ms | 170.249.233.193 |
| 33 | 2026-08-08 11:33 | 639217850620659312 |
|
158 ms | 170.249.233.193 |
| 32 | 2026-08-08 11:19 | 639217841938624907 |
|
117 ms | 170.249.233.193 |
| 31 | 2026-08-08 11:04 | 639217833389546843 |
|
234 ms | 170.249.233.193 |
| 30 | 2026-08-08 10:50 | 639217824846173945 |
|
122 ms | 170.249.233.193 |
| 29 | 2026-08-08 09:58 | 639217793807292972 |
|
2012 ms | 170.249.233.193 |
| 28 | 2026-08-08 09:44 | 639217785208951403 |
|
116 ms | 170.249.233.193 |
| 27 | 2026-08-08 09:30 | 639217776566534942 |
|
33 ms | 170.249.233.193 |
| 26 | 2026-08-08 09:15 | 639217767935139326 |
|
107 ms | 170.249.233.193 |
| 25 | 2026-08-08 08:24 | 639217737225367411 |
|
3 ms | 170.249.233.193 |
| 24 | 2026-08-08 08:10 | 639217728765093674 |
|
111 ms | 170.249.233.193 |
| 23 | 2026-08-08 07:56 | 639217720136905586 |
|
140 ms | 170.249.233.193 |
| 22 | 2026-08-08 07:41 | 639217711410853004 |
|
135 ms | 170.249.233.193 |
| 21 | 2026-08-08 06:49 | 639217680275549698 |
|
225 ms | 170.249.233.193 |
| 20 | 2026-08-08 06:34 | 639217671340563867 |
|
224 ms | 170.249.233.193 |
| 19 | 2026-08-08 06:19 | 639217662739829952 |
|
221 ms | 170.249.233.193 |
| 18 | 2026-08-08 06:05 | 639217654129395144 |
|
116 ms | 170.249.233.193 |
| 17 | 2026-08-08 05:14 | 639217623690502934 |
|
2121 ms | 170.249.233.193 |
| 16 | 2026-08-08 05:00 | 639217615180184169 |
|
117 ms | 170.249.233.193 |
| 15 | 2026-08-08 04:46 | 639217606737293244 |
|
111 ms | 170.249.233.193 |
| 14 | 2026-08-08 04:32 | 639217598089858483 |
|
210 ms | 170.249.233.193 |
| 13 | 2026-08-08 03:40 | 639217567343169140 |
|
112 ms | 170.249.233.193 |
| 12 | 2026-08-08 03:26 | 639217558743892856 |
|
243 ms | 170.249.233.193 |
| 11 | 2026-08-08 03:12 | 639217550069823359 |
|
113 ms | 170.249.233.193 |
| 10 | 2026-08-08 02:57 | 639217541571663863 |
|
2242 ms | 170.249.233.193 |
| 9 | 2026-08-08 02:06 | 639217510598671918 |
|
4 ms | 170.249.233.193 |
| 8 | 2026-08-08 01:52 | 639217501853904641 |
|
184 ms | 170.249.233.193 |
| 7 | 2026-08-08 01:37 | 639217492857464038 |
|
223 ms | 170.249.233.193 |
| 6 | 2026-08-08 01:22 | 639217483935810845 |
|
115 ms | 170.249.233.193 |
| 5 | 2026-08-08 01:07 | 639217475281344873 |
|
4240 ms | 170.249.233.193 |
| 4 | 2026-08-08 00:53 | 639217466591266473 |
|
11 ms | 170.249.233.193 |
| 3 | 2026-08-08 00:39 | 639217457842031506 |
|
107 ms | 170.249.233.193 |
| 2 | 2026-08-08 00:24 | 639217449192590684 |
|
2265 ms | 170.249.233.193 |
| 1 | 2026-08-08 00:09 | 639217440385817840 |
|
234 ms | 170.249.233.193 |