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 2026-08-12. For this date, NameServerHistory found 62 DNS check records, 61 successful responses, 1 failed responses, and 213 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

62

Historical checks stored for this nameserver on selected date

Average Latency

213 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-12 23:55

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

61

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

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 2026-08-12 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
62 2026-08-12 23:55 639221753022017039
123 ms 173.0.137.144
61 2026-08-12 23:40 639221744107644868
241 ms 173.0.137.144
60 2026-08-12 23:25 639221735030187244
7 ms 173.0.137.144
59 2026-08-12 23:09 639221725815508109
4 ms 173.0.137.144
58 2026-08-12 22:18 639221694790955973
275 ms 173.0.137.144
57 2026-08-12 22:03 639221685562451720
127 ms 173.0.137.144
56 2026-08-12 21:47 639221676023655289
238 ms 173.0.137.144
55 2026-08-12 21:31 639221666449119409
245 ms 173.0.137.144
54 2026-08-12 20:39 639221635456432556
240 ms 173.0.137.144
53 2026-08-12 20:24 639221626313054202
130 ms 173.0.137.144
52 2026-08-12 20:08 639221617091958857
150 ms 173.0.137.144
51 2026-08-12 19:53 639221607786737151
263 ms 173.0.137.144
50 2026-08-12 19:01 639221576664330059
8 ms 173.0.137.144
49 2026-08-12 18:46 639221567514216674
138 ms 173.0.137.144
48 2026-08-12 18:30 639221558399762524
121 ms 173.0.137.144
47 2026-08-12 18:15 639221549052016282
242 ms 173.0.137.144
46 2026-08-12 17:23 639221517673834934
9 ms 173.0.137.144
45 2026-08-12 17:07 639221508282311633
2297 ms 173.0.137.144
44 2026-08-12 16:51 639221498786324983
245 ms 173.0.137.144
43 2026-08-12 16:35 639221489157589737
9 ms 173.0.137.144
42 2026-08-12 15:43 639221457655914645
122 ms 173.0.137.144
41 2026-08-12 15:27 639221448164090526
130 ms 173.0.137.144
40 2026-08-12 15:11 639221438725783630
244 ms 173.0.137.144
39 2026-08-12 14:55 639221429178071087
247 ms 173.0.137.144
38 2026-08-12 14:03 639221397761278719
7 ms 173.0.137.144
37 2026-08-12 13:47 639221388200567278
12 ms 173.0.137.144
36 2026-08-12 13:31 639221378483570949
6 ms 173.0.137.144
35 2026-08-12 13:15 639221368872360139
10 ms 173.0.137.144
34 2026-08-12 12:21 639221337226647415
245 ms 173.0.137.144
33 2026-08-12 12:05 639221327924087446
248 ms 173.0.137.144
32 2026-08-12 11:49 639221318096976375
136 ms 173.0.137.144
31 2026-08-12 11:33 639221308343145274
160 ms 173.0.137.144
30 2026-08-12 10:41 639221277089610470
240 ms 173.0.137.144
29 2026-08-12 10:25 639221267628136359
242 ms 173.0.137.144
28 2026-08-12 10:09 639221257907569952
-
27 2026-08-12 09:53 639221248402420965
163 ms 173.0.137.144
26 2026-08-12 09:00 639221216797540533
255 ms 173.0.137.144
25 2026-08-12 08:44 639221207385792352
310 ms 173.0.137.144
24 2026-08-12 08:29 639221198078534844
248 ms 173.0.137.144
23 2026-08-12 08:13 639221188677585577
170 ms 173.0.137.144
22 2026-08-12 07:21 639221157276484143
317 ms 173.0.137.144
21 2026-08-12 07:05 639221147876262183
6 ms 173.0.137.144
20 2026-08-12 06:49 639221138388812469
15 ms 173.0.137.144
19 2026-08-12 06:34 639221128987381118
17 ms 173.0.137.144
18 2026-08-12 05:42 639221097816416095
258 ms 173.0.137.144
17 2026-08-12 05:26 639221088508065616
322 ms 173.0.137.144
16 2026-08-12 05:11 639221079092308503
367 ms 173.0.137.144
15 2026-08-12 04:55 639221069595873597
452 ms 173.0.137.144
14 2026-08-12 04:03 639221038601577496
268 ms 173.0.137.144
13 2026-08-12 03:48 639221029533901299
358 ms 173.0.137.144
12 2026-08-12 03:33 639221020333828965
672 ms 173.0.137.144
11 2026-08-12 03:17 639221011110510484
344 ms 173.0.137.144
10 2026-08-12 02:26 639220979815209769
10 ms 173.0.137.144
9 2026-08-12 02:11 639220970971410921
264 ms 173.0.137.144
8 2026-08-12 01:56 639220961848982361
2 ms 173.0.137.144
7 2026-08-12 01:41 639220952784591501
29 ms 173.0.137.144
6 2026-08-12 01:26 639220943893596731
28 ms 173.0.137.144
5 2026-08-12 01:11 639220934954704520
248 ms 173.0.137.144
4 2026-08-12 00:56 639220925792457751
239 ms 173.0.137.144
3 2026-08-12 00:40 639220916610063538
254 ms 173.0.137.144
2 2026-08-12 00:25 639220907229361754
172 ms 173.0.137.144
1 2026-08-12 00:09 639220897896762127
19 ms 173.0.137.144