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 2026-08-18. For this date, NameServerHistory found 75 DNS check records, 75 successful responses, 0 failed responses, and 388 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
75
Historical checks stored for this nameserver on selected date
Average Latency
388 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-18 23:52
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
75
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 ns2.optasc.com
Showing DNS history for 2026-08-18 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 |
|---|---|---|---|---|---|
| 75 | 2026-08-18 23:52 | 639226935204800669 |
|
438 ms | 173.0.137.144 |
| 74 | 2026-08-18 23:36 | 639226925298919497 |
|
169 ms | 173.0.137.144 |
| 73 | 2026-08-18 23:19 | 639226915487885053 |
|
12 ms | 173.0.137.144 |
| 72 | 2026-08-18 23:03 | 639226905465760034 |
|
2151 ms | 173.0.137.144 |
| 71 | 2026-08-18 22:46 | 639226895378104692 |
|
146 ms | 173.0.137.144 |
| 70 | 2026-08-18 21:53 | 639226863374232622 |
|
251 ms | 173.0.137.144 |
| 69 | 2026-08-18 21:36 | 639226853698516058 |
|
248 ms | 173.0.137.144 |
| 68 | 2026-08-18 21:20 | 639226843797360601 |
|
2016 ms | 173.0.137.144 |
| 67 | 2026-08-18 21:03 | 639226834046588155 |
|
153 ms | 173.0.137.144 |
| 66 | 2026-08-18 20:47 | 639226824234488533 |
|
7 ms | 173.0.137.144 |
| 65 | 2026-08-18 20:31 | 639226814549928621 |
|
248 ms | 173.0.137.144 |
| 64 | 2026-08-18 20:15 | 639226804721432353 |
|
31 ms | 173.0.137.144 |
| 63 | 2026-08-18 19:58 | 639226795048828184 |
|
239 ms | 173.0.137.144 |
| 62 | 2026-08-18 19:42 | 639226785202482420 |
|
2250 ms | 173.0.137.144 |
| 61 | 2026-08-18 19:26 | 639226775309362607 |
|
8 ms | 173.0.137.144 |
| 60 | 2026-08-18 19:09 | 639226765406586155 |
|
243 ms | 173.0.137.144 |
| 59 | 2026-08-18 18:52 | 639226755437790519 |
|
297 ms | 173.0.137.144 |
| 58 | 2026-08-18 18:00 | 639226723856194457 |
|
270 ms | 173.0.137.144 |
| 57 | 2026-08-18 17:43 | 639226714050583422 |
|
252 ms | 173.0.137.144 |
| 56 | 2026-08-18 17:27 | 639226704236499724 |
|
130 ms | 173.0.137.144 |
| 55 | 2026-08-18 17:11 | 639226694184520163 |
|
256 ms | 173.0.137.144 |
| 54 | 2026-08-18 16:54 | 639226684161203477 |
|
2255 ms | 173.0.137.144 |
| 53 | 2026-08-18 16:37 | 639226674305430109 |
|
270 ms | 173.0.137.144 |
| 52 | 2026-08-18 16:21 | 639226664489607984 |
|
12 ms | 173.0.137.144 |
| 51 | 2026-08-18 16:04 | 639226654533111667 |
|
133 ms | 173.0.137.144 |
| 50 | 2026-08-18 15:48 | 639226644778594725 |
|
269 ms | 173.0.137.144 |
| 49 | 2026-08-18 15:32 | 639226634901553621 |
|
244 ms | 173.0.137.144 |
| 48 | 2026-08-18 15:15 | 639226624921864967 |
|
249 ms | 173.0.137.144 |
| 47 | 2026-08-18 14:58 | 639226614939419403 |
|
2133 ms | 173.0.137.144 |
| 46 | 2026-08-18 14:05 | 639226583021074771 |
|
284 ms | 173.0.137.144 |
| 45 | 2026-08-18 13:49 | 639226573279933585 |
|
277 ms | 173.0.137.144 |
| 44 | 2026-08-18 13:33 | 639226563494036301 |
|
264 ms | 173.0.137.144 |
| 43 | 2026-08-18 13:16 | 639226553708216256 |
|
268 ms | 173.0.137.144 |
| 42 | 2026-08-18 13:00 | 639226544003734815 |
|
143 ms | 173.0.137.144 |
| 41 | 2026-08-18 12:44 | 639226534105733155 |
|
255 ms | 173.0.137.144 |
| 40 | 2026-08-18 12:27 | 639226524298118898 |
|
148 ms | 173.0.137.144 |
| 39 | 2026-08-18 12:11 | 639226514525195335 |
|
256 ms | 173.0.137.144 |
| 38 | 2026-08-18 11:55 | 639226504703635320 |
|
121 ms | 173.0.137.144 |
| 37 | 2026-08-18 11:38 | 639226494737271720 |
|
250 ms | 173.0.137.144 |
| 36 | 2026-08-18 11:22 | 639226485005027236 |
|
253 ms | 173.0.137.144 |
| 35 | 2026-08-18 11:05 | 639226475133236105 |
|
137 ms | 173.0.137.144 |
| 34 | 2026-08-18 10:12 | 639226442975077052 |
|
230 ms | 173.0.137.144 |
| 33 | 2026-08-18 09:56 | 639226433317932039 |
|
12 ms | 173.0.137.144 |
| 32 | 2026-08-18 09:39 | 639226423688431096 |
|
8 ms | 173.0.137.144 |
| 31 | 2026-08-18 09:23 | 639226413998250045 |
|
256 ms | 173.0.137.144 |
| 30 | 2026-08-18 09:07 | 639226404284554875 |
|
248 ms | 173.0.137.144 |
| 29 | 2026-08-18 08:51 | 639226394637043309 |
|
253 ms | 173.0.137.144 |
| 28 | 2026-08-18 08:35 | 639226385052447582 |
|
244 ms | 173.0.137.144 |
| 27 | 2026-08-18 08:19 | 639226375506189603 |
|
262 ms | 173.0.137.144 |
| 26 | 2026-08-18 08:03 | 639226365690646426 |
|
7 ms | 173.0.137.144 |
| 25 | 2026-08-18 07:47 | 639226355771007701 |
|
2259 ms | 173.0.137.144 |
| 24 | 2026-08-18 07:30 | 639226345946269369 |
|
253 ms | 173.0.137.144 |
| 23 | 2026-08-18 07:14 | 639226336241601848 |
|
170 ms | 173.0.137.144 |
| 22 | 2026-08-18 06:22 | 639226304950675290 |
|
2286 ms | 173.0.137.144 |
| 21 | 2026-08-18 06:06 | 639226295324754616 |
|
176 ms | 173.0.137.144 |
| 20 | 2026-08-18 05:50 | 639226285824640601 |
|
127 ms | 173.0.137.144 |
| 19 | 2026-08-18 05:34 | 639226276321223917 |
|
7 ms | 173.0.137.144 |
| 18 | 2026-08-18 05:18 | 639226266800200046 |
|
137 ms | 173.0.137.144 |
| 17 | 2026-08-18 05:02 | 639226256958066164 |
|
134 ms | 173.0.137.144 |
| 16 | 2026-08-18 04:46 | 639226247432364597 |
|
2007 ms | 173.0.137.144 |
| 15 | 2026-08-18 04:30 | 639226237703388552 |
|
17 ms | 173.0.137.144 |
| 14 | 2026-08-18 04:13 | 639226227937569589 |
|
266 ms | 173.0.137.144 |
| 13 | 2026-08-18 03:57 | 639226218052465471 |
|
255 ms | 173.0.137.144 |
| 12 | 2026-08-18 03:41 | 639226208429623997 |
|
238 ms | 173.0.137.144 |
| 11 | 2026-08-18 03:25 | 639226198800675295 |
|
247 ms | 173.0.137.144 |
| 10 | 2026-08-18 02:33 | 639226167722042574 |
|
238 ms | 173.0.137.144 |
| 9 | 2026-08-18 02:17 | 639226158277924383 |
|
7 ms | 173.0.137.144 |
| 8 | 2026-08-18 02:02 | 639226148757810592 |
|
9 ms | 173.0.137.144 |
| 7 | 2026-08-18 01:46 | 639226139348611045 |
|
9 ms | 173.0.137.144 |
| 6 | 2026-08-18 01:30 | 639226129823462907 |
|
264 ms | 173.0.137.144 |
| 5 | 2026-08-18 01:14 | 639226120218260005 |
|
153 ms | 173.0.137.144 |
| 4 | 2026-08-18 00:58 | 639226110875503904 |
|
7 ms | 173.0.137.144 |
| 3 | 2026-08-18 00:42 | 639226101376311912 |
|
127 ms | 173.0.137.144 |
| 2 | 2026-08-18 00:27 | 639226091924943492 |
|
34 ms | 173.0.137.144 |
| 1 | 2026-08-18 00:10 | 639226082133158124 |
|
146 ms | 173.0.137.144 |