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 2026-08-19. For this date, NameServerHistory found 74 DNS check records, 72 successful responses, 2 failed responses, and 303 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
74
Historical checks stored for this nameserver on selected date
Average Latency
303 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-19 23:47
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
72
Checks that returned a measurable response
Failed Responses
2
Checks with no response or no returned latency
Failure Rate
3%
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 2026-08-19 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 | 2026-08-19 23:47 | 639227795899225951 |
|
315 ms | 173.0.137.144 |
| 73 | 2026-08-19 23:31 | 639227786351762008 |
|
259 ms | 173.0.137.144 |
| 72 | 2026-08-19 23:15 | 639227776640591733 |
|
29 ms | 173.0.137.144 |
| 71 | 2026-08-19 22:59 | 639227767128841282 |
|
244 ms | 173.0.137.144 |
| 70 | 2026-08-19 22:43 | 639227757477304711 |
|
240 ms | 173.0.137.144 |
| 69 | 2026-08-19 22:26 | 639227747572098014 |
|
8 ms | 173.0.137.144 |
| 68 | 2026-08-19 22:10 | 639227737588613113 |
|
- | |
| 67 | 2026-08-19 21:17 | 639227706134603955 |
|
14 ms | 173.0.137.144 |
| 66 | 2026-08-19 21:01 | 639227696589027396 |
|
11 ms | 173.0.137.144 |
| 65 | 2026-08-19 20:45 | 639227687097707639 |
|
252 ms | 173.0.137.144 |
| 64 | 2026-08-19 20:29 | 639227677474464487 |
|
125 ms | 173.0.137.144 |
| 63 | 2026-08-19 20:13 | 639227667767441118 |
|
6 ms | 173.0.137.144 |
| 62 | 2026-08-19 19:57 | 639227657984833832 |
|
128 ms | 173.0.137.144 |
| 61 | 2026-08-19 19:40 | 639227648079992640 |
|
13 ms | 173.0.137.144 |
| 60 | 2026-08-19 19:24 | 639227638125048441 |
|
260 ms | 173.0.137.144 |
| 59 | 2026-08-19 19:07 | 639227628211392142 |
|
249 ms | 173.0.137.144 |
| 58 | 2026-08-19 18:51 | 639227618261696275 |
|
124 ms | 173.0.137.144 |
| 57 | 2026-08-19 18:34 | 639227608366233645 |
|
251 ms | 173.0.137.144 |
| 56 | 2026-08-19 18:17 | 639227598301787588 |
|
287 ms | 173.0.137.144 |
| 55 | 2026-08-19 17:24 | 639227566241010716 |
|
2010 ms | 173.0.137.144 |
| 54 | 2026-08-19 17:08 | 639227556454538959 |
|
15 ms | 173.0.137.144 |
| 53 | 2026-08-19 16:51 | 639227546640305542 |
|
12 ms | 173.0.137.144 |
| 52 | 2026-08-19 16:35 | 639227536965466472 |
|
260 ms | 173.0.137.144 |
| 51 | 2026-08-19 16:19 | 639227527048658280 |
|
126 ms | 173.0.137.144 |
| 50 | 2026-08-19 16:02 | 639227517386634438 |
|
189 ms | 173.0.137.144 |
| 49 | 2026-08-19 15:46 | 639227507459551637 |
|
149 ms | 173.0.137.144 |
| 48 | 2026-08-19 15:29 | 639227497515595277 |
|
10 ms | 173.0.137.144 |
| 47 | 2026-08-19 15:13 | 639227487441798036 |
|
264 ms | 173.0.137.144 |
| 46 | 2026-08-19 14:56 | 639227477445551863 |
|
266 ms | 173.0.137.144 |
| 45 | 2026-08-19 14:39 | 639227467297067891 |
|
264 ms | 173.0.137.144 |
| 44 | 2026-08-19 14:22 | 639227457057795635 |
|
251 ms | 173.0.137.144 |
| 43 | 2026-08-19 13:29 | 639227425244777397 |
|
246 ms | 173.0.137.144 |
| 42 | 2026-08-19 13:12 | 639227415422116485 |
|
247 ms | 173.0.137.144 |
| 41 | 2026-08-19 12:56 | 639227405307256053 |
|
43 ms | 173.0.137.144 |
| 40 | 2026-08-19 12:39 | 639227395396602630 |
|
254 ms | 173.0.137.144 |
| 39 | 2026-08-19 12:23 | 639227385510363611 |
|
177 ms | 173.0.137.144 |
| 38 | 2026-08-19 12:06 | 639227375508324850 |
|
156 ms | 173.0.137.144 |
| 37 | 2026-08-19 11:49 | 639227365326611906 |
|
2 ms | 173.0.137.144 |
| 36 | 2026-08-19 11:33 | 639227355360014208 |
|
244 ms | 173.0.137.144 |
| 35 | 2026-08-19 11:15 | 639227345036782165 |
|
371 ms | 173.0.137.144 |
| 34 | 2026-08-19 10:59 | 639227334992964533 |
|
2131 ms | 173.0.137.144 |
| 33 | 2026-08-19 10:42 | 639227324986605572 |
|
7 ms | 173.0.137.144 |
| 32 | 2026-08-19 10:25 | 639227314928414539 |
|
129 ms | 173.0.137.144 |
| 31 | 2026-08-19 09:32 | 639227283029182134 |
|
127 ms | 173.0.137.144 |
| 30 | 2026-08-19 09:16 | 639227273294779350 |
|
157 ms | 173.0.137.144 |
| 29 | 2026-08-19 08:59 | 639227263525231313 |
|
133 ms | 173.0.137.144 |
| 28 | 2026-08-19 08:43 | 639227253578313363 |
|
246 ms | 173.0.137.144 |
| 27 | 2026-08-19 08:26 | 639227243649973322 |
|
385 ms | 173.0.137.144 |
| 26 | 2026-08-19 08:09 | 639227233581059317 |
|
25 ms | 173.0.137.144 |
| 25 | 2026-08-19 07:53 | 639227223667352067 |
|
240 ms | 173.0.137.144 |
| 24 | 2026-08-19 07:36 | 639227213714837066 |
|
358 ms | 173.0.137.144 |
| 23 | 2026-08-19 07:20 | 639227203701208496 |
|
34 ms | 173.0.137.144 |
| 22 | 2026-08-19 07:03 | 639227193643202179 |
|
261 ms | 173.0.137.144 |
| 21 | 2026-08-19 06:46 | 639227183584431597 |
|
326 ms | 173.0.137.144 |
| 20 | 2026-08-19 06:29 | 639227173347403088 |
|
121 ms | 173.0.137.144 |
| 19 | 2026-08-19 05:36 | 639227141523007601 |
|
167 ms | 173.0.137.144 |
| 18 | 2026-08-19 05:20 | 639227131785931574 |
|
13 ms | 173.0.137.144 |
| 17 | 2026-08-19 05:04 | 639227122176475389 |
|
241 ms | 173.0.137.144 |
| 16 | 2026-08-19 04:48 | 639227112668934596 |
|
253 ms | 173.0.137.144 |
| 15 | 2026-08-19 04:32 | 639227102773292788 |
|
- | |
| 14 | 2026-08-19 04:15 | 639227093141136930 |
|
241 ms | 173.0.137.144 |
| 13 | 2026-08-19 03:59 | 639227083449420147 |
|
244 ms | 173.0.137.144 |
| 12 | 2026-08-19 03:43 | 639227073771748493 |
|
140 ms | 173.0.137.144 |
| 11 | 2026-08-19 03:27 | 639227063977347614 |
|
265 ms | 173.0.137.144 |
| 10 | 2026-08-19 03:11 | 639227054253519024 |
|
237 ms | 173.0.137.144 |
| 9 | 2026-08-19 02:54 | 639227044381963886 |
|
130 ms | 173.0.137.144 |
| 8 | 2026-08-19 02:38 | 639227034441085514 |
|
2022 ms | 173.0.137.144 |
| 7 | 2026-08-19 01:45 | 639227003126489968 |
|
20 ms | 173.0.137.144 |
| 6 | 2026-08-19 01:29 | 639226993456311614 |
|
2033 ms | 173.0.137.144 |
| 5 | 2026-08-19 01:13 | 639226983847312345 |
|
145 ms | 173.0.137.144 |
| 4 | 2026-08-19 00:57 | 639226974357874853 |
|
188 ms | 173.0.137.144 |
| 3 | 2026-08-19 00:41 | 639226964670484721 |
|
2138 ms | 173.0.137.144 |
| 2 | 2026-08-19 00:25 | 639226954857899696 |
|
142 ms | 173.0.137.144 |
| 1 | 2026-08-19 00:09 | 639226945091603488 |
|
140 ms | 173.0.137.144 |