DNS response history for ns.optometry.net

ns.optometry.net 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 2026-08-21. For this date, NameServerHistory found 73 DNS check records, 72 successful responses, 1 failed responses, and 202 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 ns.optometry.net.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

202 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:52

All timestamps shown in UTC

Latest Resolved IP on Selected Date

20.190.26.75

Most recently resolved hosting IP on selected date

Successful Responses

72

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns.optometry.net

Showing DNS history for 2026-08-21 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
73 2026-08-21 23:52 639229527598660841
34 ms 20.190.26.75
72 2026-08-21 23:36 639229517954323214
13 ms 20.190.26.75
71 2026-08-21 23:19 639229508269999021
21 ms 20.190.26.75
70 2026-08-21 23:03 639229498559060171
9 ms 20.190.26.75
69 2026-08-21 22:47 639229488519347586
9 ms 20.190.26.75
68 2026-08-21 21:53 639229456606578934
113 ms 20.190.26.75
67 2026-08-21 21:37 639229446985772499
2058 ms 20.190.26.75
66 2026-08-21 21:21 639229437367313098
43 ms 20.190.26.75
65 2026-08-21 21:05 639229427923950391
13 ms 20.190.26.75
64 2026-08-21 20:49 639229418168588854
91 ms 20.190.26.75
63 2026-08-21 20:33 639229408345678334
47 ms 20.190.26.75
62 2026-08-21 20:16 639229398616354648
21 ms 20.190.26.75
61 2026-08-21 20:00 639229388634592323
12 ms 20.190.26.75
60 2026-08-21 19:44 639229378792837692
16 ms 20.190.26.75
59 2026-08-21 19:27 639229369154682311
26 ms 20.190.26.75
58 2026-08-21 19:11 639229359248017926
19 ms 20.190.26.75
57 2026-08-21 18:54 639229349124294642
29 ms 20.190.26.75
56 2026-08-21 18:02 639229317791715692
17 ms 20.190.26.75
55 2026-08-21 17:46 639229308115194575
39 ms 20.190.26.75
54 2026-08-21 17:29 639229298320320558
46 ms 20.190.26.75
53 2026-08-21 17:13 639229288674863221
14 ms 20.190.26.75
52 2026-08-21 16:57 639229278983677079
2033 ms 20.190.26.75
51 2026-08-21 16:41 639229269405517175
69 ms 20.190.26.75
50 2026-08-21 16:25 639229259594798244
2014 ms 20.190.26.75
49 2026-08-21 16:09 639229249736681188
-
48 2026-08-21 15:52 639229239699417787
18 ms 20.190.26.75
47 2026-08-21 15:35 639229229621964033
23 ms 20.190.26.75
46 2026-08-21 15:18 639229219567270965
61 ms 20.190.26.75
45 2026-08-21 15:01 639229209406666856
45 ms 20.190.26.75
44 2026-08-21 14:09 639229177815876178
40 ms 20.190.26.75
43 2026-08-21 13:52 639229168243572685
25 ms 20.190.26.75
42 2026-08-21 13:36 639229158599856475
36 ms 20.190.26.75
41 2026-08-21 13:20 639229148998940902
15 ms 20.190.26.75
40 2026-08-21 13:04 639229139276923594
45 ms 20.190.26.75
39 2026-08-21 12:48 639229129709912394
2041 ms 20.190.26.75
38 2026-08-21 12:32 639229119801488500
38 ms 20.190.26.75
37 2026-08-21 12:16 639229110135262458
31 ms 20.190.26.75
36 2026-08-21 11:59 639229100336051392
15 ms 20.190.26.75
35 2026-08-21 11:43 639229090641415626
17 ms 20.190.26.75
34 2026-08-21 11:27 639229080702683947
36 ms 20.190.26.75
33 2026-08-21 11:10 639229070601456699
2042 ms 20.190.26.75
32 2026-08-21 10:17 639229038947447232
22 ms 20.190.26.75
31 2026-08-21 10:01 639229029268708773
11 ms 20.190.26.75
30 2026-08-21 09:45 639229019647910603
88 ms 20.190.26.75
29 2026-08-21 09:29 639229009983843738
47 ms 20.190.26.75
28 2026-08-21 09:13 639229000203331882
40 ms 20.190.26.75
27 2026-08-21 08:56 639228990302335999
14 ms 20.190.26.75
26 2026-08-21 08:40 639228980567740722
27 ms 20.190.26.75
25 2026-08-21 08:23 639228970762445174
18 ms 20.190.26.75
24 2026-08-21 08:07 639228961065054445
76 ms 20.190.26.75
23 2026-08-21 07:51 639228951224649885
19 ms 20.190.26.75
22 2026-08-21 07:34 639228941303864592
57 ms 20.190.26.75
21 2026-08-21 07:17 639228931191328583
157 ms 20.190.26.75
20 2026-08-21 06:25 639228899518173317
56 ms 20.190.26.75
19 2026-08-21 06:08 639228889785027669
36 ms 20.190.26.75
18 2026-08-21 05:52 639228880106330161
2022 ms 20.190.26.75
17 2026-08-21 05:36 639228870316184091
17 ms 20.190.26.75
16 2026-08-21 05:20 639228860695366512
26 ms 20.190.26.75
15 2026-08-21 05:04 639228851027209500
29 ms 20.190.26.75
14 2026-08-21 04:48 639228841479265462
13 ms 20.190.26.75
13 2026-08-21 04:32 639228831752962260
22 ms 20.190.26.75
12 2026-08-21 04:15 639228821953295483
11 ms 20.190.26.75
11 2026-08-21 03:59 639228812227429953
82 ms 20.190.26.75
10 2026-08-21 03:43 639228802476107538
23 ms 20.190.26.75
9 2026-08-21 03:26 639228792525492032
119 ms 20.190.26.75
8 2026-08-21 02:34 639228761131421385
34 ms 20.190.26.75
7 2026-08-21 02:18 639228751571206692
29 ms 20.190.26.75
6 2026-08-21 02:02 639228741705571019
35 ms 20.190.26.75
5 2026-08-21 01:45 639228731642208228
29 ms 20.190.26.75
4 2026-08-21 00:53 639228700387002072
21 ms 20.190.26.75
3 2026-08-21 00:37 639228690742014433
27 ms 20.190.26.75
2 2026-08-21 00:20 639228680877937122
26 ms 20.190.26.75
1 2026-08-21 00:03 639228670775860800
5 ms 20.190.26.75