History for ns2.optasc.com
Domain: optasc.com • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns2.optasc.com
ns2.optasc.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 2026-08-20. For this date, NameServerHistory found 57 DNS check records, 54 successful responses, 3 failed responses, and 200 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.optasc.com.
Records on Selected Date
57
Historical checks stored for this nameserver on selected date
Average Latency
200 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-20 23:13
All timestamps shown in UTC
Latest Resolved IP on Selected Date
173.0.137.144
Most recently resolved hosting IP on selected date
Successful Responses
54
Checks that returned a measurable response
Failed Responses
3
Checks with no response or no returned latency
Failure Rate
5%
Based on the selected date history
Selected Date Status
Responsive
At least one successful response exists on selected date
History for ns2.optasc.com
Showing DNS history for 2026-08-20 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 |
|---|---|---|---|---|---|
| 57 | 2026-08-20 23:13 | 639228639850033448 |
|
8 ms | 173.0.137.144 |
| 56 | 2026-08-20 22:57 | 639228630204271870 |
|
244 ms | 173.0.137.144 |
| 55 | 2026-08-20 22:41 | 639228620295091135 |
|
249 ms | 173.0.137.144 |
| 54 | 2026-08-20 22:24 | 639228610298336915 |
|
249 ms | 173.0.137.144 |
| 53 | 2026-08-20 21:32 | 639228578917047616 |
|
267 ms | 173.0.137.144 |
| 52 | 2026-08-20 21:15 | 639228569046445709 |
|
149 ms | 173.0.137.144 |
| 51 | 2026-08-20 20:59 | 639228558946830986 |
|
241 ms | 173.0.137.144 |
| 50 | 2026-08-20 20:42 | 639228548977359217 |
|
249 ms | 173.0.137.144 |
| 49 | 2026-08-20 19:50 | 639228517494157668 |
|
250 ms | 173.0.137.144 |
| 48 | 2026-08-20 19:33 | 639228507374116892 |
|
247 ms | 173.0.137.144 |
| 47 | 2026-08-20 19:16 | 639228497315154893 |
|
287 ms | 173.0.137.144 |
| 46 | 2026-08-20 18:59 | 639228487287648341 |
|
- | |
| 45 | 2026-08-20 18:07 | 639228455828123788 |
|
4 ms | 173.0.137.144 |
| 44 | 2026-08-20 17:50 | 639228445900082244 |
|
267 ms | 173.0.137.144 |
| 43 | 2026-08-20 17:33 | 639228435866352323 |
|
23 ms | 173.0.137.144 |
| 42 | 2026-08-20 17:17 | 639228425802273151 |
|
9 ms | 173.0.137.144 |
| 41 | 2026-08-20 16:23 | 639228393616324230 |
|
256 ms | 173.0.137.144 |
| 40 | 2026-08-20 16:06 | 639228383590408693 |
|
6 ms | 173.0.137.144 |
| 39 | 2026-08-20 15:49 | 639228373471467474 |
|
244 ms | 173.0.137.144 |
| 38 | 2026-08-20 15:32 | 639228363426647311 |
|
240 ms | 173.0.137.144 |
| 37 | 2026-08-20 14:40 | 639228331681701910 |
|
252 ms | 173.0.137.144 |
| 36 | 2026-08-20 14:23 | 639228321714746824 |
|
134 ms | 173.0.137.144 |
| 35 | 2026-08-20 14:06 | 639228311652090262 |
|
247 ms | 173.0.137.144 |
| 34 | 2026-08-20 13:50 | 639228301670088587 |
|
241 ms | 173.0.137.144 |
| 33 | 2026-08-20 12:57 | 639228269987976710 |
|
9 ms | 173.0.137.144 |
| 32 | 2026-08-20 12:40 | 639228260009452308 |
|
254 ms | 173.0.137.144 |
| 31 | 2026-08-20 12:23 | 639228249661740894 |
|
137 ms | 173.0.137.144 |
| 30 | 2026-08-20 12:06 | 639228239552680346 |
|
133 ms | 173.0.137.144 |
| 29 | 2026-08-20 11:13 | 639228207667580819 |
|
7 ms | 173.0.137.144 |
| 28 | 2026-08-20 10:56 | 639228197494011560 |
|
150 ms | 173.0.137.144 |
| 27 | 2026-08-20 10:39 | 639228187497039939 |
|
129 ms | 173.0.137.144 |
| 26 | 2026-08-20 10:22 | 639228177408432646 |
|
250 ms | 173.0.137.144 |
| 25 | 2026-08-20 09:31 | 639228146356166262 |
|
246 ms | 173.0.137.144 |
| 24 | 2026-08-20 09:14 | 639228136541505712 |
|
145 ms | 173.0.137.144 |
| 23 | 2026-08-20 08:58 | 639228126519136598 |
|
247 ms | 173.0.137.144 |
| 22 | 2026-08-20 08:41 | 639228116537148885 |
|
11 ms | 173.0.137.144 |
| 21 | 2026-08-20 07:49 | 639228085320764351 |
|
257 ms | 173.0.137.144 |
| 20 | 2026-08-20 07:33 | 639228075444604839 |
|
35 ms | 173.0.137.144 |
| 19 | 2026-08-20 07:16 | 639228065615498985 |
|
276 ms | 173.0.137.144 |
| 18 | 2026-08-20 07:00 | 639228055675321422 |
|
146 ms | 173.0.137.144 |
| 17 | 2026-08-20 06:07 | 639228024230839396 |
|
136 ms | 173.0.137.144 |
| 16 | 2026-08-20 05:51 | 639228014720406505 |
|
170 ms | 173.0.137.144 |
| 15 | 2026-08-20 05:35 | 639228004930827030 |
|
8 ms | 173.0.137.144 |
| 14 | 2026-08-20 05:19 | 639227995103340154 |
|
122 ms | 173.0.137.144 |
| 13 | 2026-08-20 04:27 | 639227963811374894 |
|
- | |
| 12 | 2026-08-20 04:11 | 639227954132571365 |
|
6 ms | 173.0.137.144 |
| 11 | 2026-08-20 03:54 | 639227944541208342 |
|
49 ms | 173.0.137.144 |
| 10 | 2026-08-20 03:38 | 639227934657213484 |
|
- | |
| 9 | 2026-08-20 02:46 | 639227903628145469 |
|
233 ms | 173.0.137.144 |
| 8 | 2026-08-20 02:30 | 639227893995483475 |
|
134 ms | 173.0.137.144 |
| 7 | 2026-08-20 02:14 | 639227884280244209 |
|
240 ms | 173.0.137.144 |
| 6 | 2026-08-20 01:58 | 639227874371147132 |
|
258 ms | 173.0.137.144 |
| 5 | 2026-08-20 01:06 | 639227843224256432 |
|
6 ms | 173.0.137.144 |
| 4 | 2026-08-20 00:50 | 639227833720403506 |
|
2008 ms | 173.0.137.144 |
| 3 | 2026-08-20 00:34 | 639227824170728278 |
|
267 ms | 173.0.137.144 |
| 2 | 2026-08-20 00:18 | 639227814865867570 |
|
135 ms | 173.0.137.144 |
| 1 | 2026-08-20 00:03 | 639227805445376839 |
|
242 ms | 173.0.137.144 |