DNS response history for ns2.optionalarm.com

ns2.optionalarm.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 2026-08-24. For this date, NameServerHistory found 111 DNS check records, 110 successful responses, 1 failed responses, and 185 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.optionalarm.com.
Records on Selected Date

111

Historical checks stored for this nameserver on selected date

Average Latency

185 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

104.21.81.202

Most recently resolved hosting IP on selected date

Successful Responses

110

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 ns2.optionalarm.com

Showing DNS history for 2026-08-24 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
111 2026-08-24 23:46 639232119551972438
65 ms 104.21.81.202
110 2026-08-24 23:46 639232119551972438
65 ms 172.67.164.7
109 2026-08-24 23:28 639232109112567473
24 ms 104.21.81.202
108 2026-08-24 23:28 639232109112567473
24 ms 172.67.164.7
107 2026-08-24 22:35 639232077430823987
-
106 2026-08-24 22:18 639232067340513033
11 ms 172.67.164.7
105 2026-08-24 22:18 639232067340513033
11 ms 104.21.81.202
104 2026-08-24 22:02 639232057157944387
20 ms 172.67.164.7
103 2026-08-24 22:02 639232057157944387
20 ms 104.21.81.202
102 2026-08-24 21:44 639232046895282144
41 ms 172.67.164.7
101 2026-08-24 21:44 639232046895282144
41 ms 104.21.81.202
100 2026-08-24 20:50 639232014356623395
47 ms 104.21.81.202
99 2026-08-24 20:50 639232014356623395
47 ms 172.67.164.7
98 2026-08-24 20:33 639232004177831322
9 ms 172.67.164.7
97 2026-08-24 20:33 639232004177831322
9 ms 104.21.81.202
96 2026-08-24 20:16 639231993997863976
46 ms 172.67.164.7
95 2026-08-24 20:16 639231993997863976
46 ms 104.21.81.202
94 2026-08-24 20:00 639231983967363696
47 ms 172.67.164.7
93 2026-08-24 20:00 639231983967363696
47 ms 104.21.81.202
92 2026-08-24 19:07 639231952257842845
21 ms 172.67.164.7
91 2026-08-24 19:07 639231952257842845
21 ms 104.21.81.202
90 2026-08-24 18:50 639231942277816756
25 ms 172.67.164.7
89 2026-08-24 18:50 639231942277816756
25 ms 104.21.81.202
88 2026-08-24 18:33 639231932094180724
29 ms 172.67.164.7
87 2026-08-24 18:33 639231932094180724
29 ms 104.21.81.202
86 2026-08-24 18:16 639231922041034838
58 ms 172.67.164.7
85 2026-08-24 18:16 639231922041034838
58 ms 104.21.81.202
84 2026-08-24 17:24 639231890488117536
33 ms 104.21.81.202
83 2026-08-24 17:24 639231890488117536
33 ms 172.67.164.7
82 2026-08-24 17:07 639231880574255543
61 ms 172.67.164.7
81 2026-08-24 17:07 639231880574255543
61 ms 104.21.81.202
80 2026-08-24 16:50 639231870418029045
95 ms 104.21.81.202
79 2026-08-24 16:50 639231870418029045
95 ms 172.67.164.7
78 2026-08-24 16:33 639231860258429562
72 ms 104.21.81.202
77 2026-08-24 16:33 639231860258429562
72 ms 172.67.164.7
76 2026-08-24 15:40 639231828211839931
57 ms 104.21.81.202
75 2026-08-24 15:40 639231828211839931
57 ms 172.67.164.7
74 2026-08-24 15:23 639231818080917481
32 ms 172.67.164.7
73 2026-08-24 15:23 639231818080917481
32 ms 104.21.81.202
72 2026-08-24 15:06 639231807961539652
88 ms 172.67.164.7
71 2026-08-24 15:06 639231807961539652
88 ms 104.21.81.202
70 2026-08-24 14:49 639231797631669865
99 ms 104.21.81.202
69 2026-08-24 14:49 639231797631669865
99 ms 172.67.164.7
68 2026-08-24 13:56 639231765923559455
2024 ms 104.21.81.202
67 2026-08-24 13:56 639231765923559455
2024 ms 172.67.164.7
66 2026-08-24 13:39 639231755868832964
16 ms 104.21.81.202
65 2026-08-24 13:39 639231755868832964
16 ms 172.67.164.7
64 2026-08-24 13:22 639231745628278877
11 ms 172.67.164.7
63 2026-08-24 13:22 639231745628278877
11 ms 104.21.81.202
62 2026-08-24 13:05 639231735407682062
80 ms 172.67.164.7
61 2026-08-24 13:05 639231735407682062
80 ms 104.21.81.202
60 2026-08-24 12:13 639231703815441688
45 ms 104.21.81.202
59 2026-08-24 12:13 639231703815441688
45 ms 172.67.164.7
58 2026-08-24 11:56 639231693747052549
10 ms 104.21.81.202
57 2026-08-24 11:56 639231693747052549
10 ms 172.67.164.7
56 2026-08-24 11:39 639231683712487276
35 ms 104.21.81.202
55 2026-08-24 11:39 639231683712487276
35 ms 172.67.164.7
54 2026-08-24 11:22 639231673513573868
66 ms 172.67.164.7
53 2026-08-24 11:22 639231673513573868
66 ms 104.21.81.202
52 2026-08-24 10:29 639231641791249939
2137 ms 104.21.81.202
51 2026-08-24 10:29 639231641791249939
2137 ms 172.67.164.7
50 2026-08-24 10:13 639231631866211033
12 ms 172.67.164.7
49 2026-08-24 10:13 639231631866211033
12 ms 104.21.81.202
48 2026-08-24 09:56 639231621644955316
22 ms 172.67.164.7
47 2026-08-24 09:56 639231621644955316
22 ms 104.21.81.202
46 2026-08-24 09:39 639231611478799259
46 ms 172.67.164.7
45 2026-08-24 09:39 639231611478799259
46 ms 104.21.81.202
44 2026-08-24 08:46 639231579923718211
9 ms 104.21.81.202
43 2026-08-24 08:46 639231579923718211
9 ms 172.67.164.7
42 2026-08-24 08:29 639231569810702936
45 ms 104.21.81.202
41 2026-08-24 08:29 639231569810702936
45 ms 172.67.164.7
40 2026-08-24 08:13 639231559762411619
49 ms 172.67.164.7
39 2026-08-24 08:13 639231559762411619
49 ms 104.21.81.202
38 2026-08-24 07:56 639231549663595407
27 ms 172.67.164.7
37 2026-08-24 07:56 639231549663595407
27 ms 104.21.81.202
36 2026-08-24 07:03 639231518076817246
2029 ms 172.67.164.7
35 2026-08-24 07:03 639231518076817246
2029 ms 104.21.81.202
34 2026-08-24 06:46 639231508078650885
7 ms 172.67.164.7
33 2026-08-24 06:46 639231508078650885
7 ms 104.21.81.202
32 2026-08-24 06:30 639231498210697093
15 ms 104.21.81.202
31 2026-08-24 06:30 639231498210697093
15 ms 172.67.164.7
30 2026-08-24 06:13 639231488109699360
2089 ms 172.67.164.7
29 2026-08-24 06:13 639231488109699360
2089 ms 104.21.81.202
28 2026-08-24 05:21 639231456772510692
22 ms 172.67.164.7
27 2026-08-24 05:21 639231456772510692
22 ms 104.21.81.202
26 2026-08-24 05:05 639231447084631185
12 ms 172.67.164.7
25 2026-08-24 05:05 639231447084631185
12 ms 104.21.81.202
24 2026-08-24 04:48 639231437208519473
4 ms 104.21.81.202
23 2026-08-24 04:48 639231437208519473
4 ms 172.67.164.7
22 2026-08-24 04:32 639231427209627490
41 ms 172.67.164.7
21 2026-08-24 04:32 639231427209627490
41 ms 104.21.81.202
20 2026-08-24 03:39 639231395791246644
13 ms 172.67.164.7
19 2026-08-24 03:39 639231395791246644
13 ms 104.21.81.202
18 2026-08-24 03:23 639231386075551458
15 ms 104.21.81.202
17 2026-08-24 03:23 639231386075551458
15 ms 172.67.164.7
16 2026-08-24 03:07 639231376208713791
57 ms 104.21.81.202
15 2026-08-24 03:07 639231376208713791
57 ms 172.67.164.7
14 2026-08-24 02:50 639231366170589276
58 ms 172.67.164.7
13 2026-08-24 02:50 639231366170589276
58 ms 104.21.81.202
12 2026-08-24 01:57 639231334732159368
46 ms 172.67.164.7
11 2026-08-24 01:57 639231334732159368
46 ms 104.21.81.202
10 2026-08-24 01:41 639231325035670078
13 ms 172.67.164.7
9 2026-08-24 01:41 639231325035670078
13 ms 104.21.81.202
8 2026-08-24 01:25 639231315132253837
32 ms 172.67.164.7
7 2026-08-24 01:25 639231315132253837
32 ms 104.21.81.202
6 2026-08-24 01:08 639231305014280808
64 ms 104.21.81.202
5 2026-08-24 01:08 639231305014280808
64 ms 172.67.164.7
4 2026-08-24 00:16 639231273779380675
28 ms 172.67.164.7
3 2026-08-24 00:16 639231273779380675
28 ms 104.21.81.202
2 2026-08-24 00:00 639231264180839154
40 ms 104.21.81.202
1 2026-08-24 00:00 639231264180839154
40 ms 172.67.164.7