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 2026-08-23. For this date, NameServerHistory found 150 DNS check records, 150 successful responses, 0 failed responses, and 113 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

150

Historical checks stored for this nameserver on selected date

Average Latency

113 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:44

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

150

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.optionalarm.com

Showing DNS history for 2026-08-23 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
150 2026-08-23 23:44 639231254406598736
20 ms 104.21.81.202
149 2026-08-23 23:44 639231254406598736
20 ms 172.67.164.7
148 2026-08-23 23:27 639231244697865594
11 ms 104.21.81.202
147 2026-08-23 23:27 639231244697865594
11 ms 172.67.164.7
146 2026-08-23 23:11 639231234893504693
11 ms 104.21.81.202
145 2026-08-23 23:11 639231234893504693
11 ms 172.67.164.7
144 2026-08-23 22:55 639231225024549139
25 ms 104.21.81.202
143 2026-08-23 22:55 639231225024549139
25 ms 172.67.164.7
142 2026-08-23 22:38 639231214931957622
16 ms 104.21.81.202
141 2026-08-23 22:38 639231214931957622
16 ms 172.67.164.7
140 2026-08-23 22:21 639231204962010549
35 ms 172.67.164.7
139 2026-08-23 22:21 639231204962010549
35 ms 104.21.81.202
138 2026-08-23 22:05 639231195170138463
43 ms 104.21.81.202
137 2026-08-23 22:05 639231195170138463
43 ms 172.67.164.7
136 2026-08-23 21:48 639231185235020577
8 ms 104.21.81.202
135 2026-08-23 21:48 639231185235020577
8 ms 172.67.164.7
134 2026-08-23 21:32 639231175558690075
9 ms 172.67.164.7
133 2026-08-23 21:32 639231175558690075
9 ms 104.21.81.202
132 2026-08-23 21:16 639231165610444012
50 ms 172.67.164.7
131 2026-08-23 21:16 639231165610444012
50 ms 104.21.81.202
130 2026-08-23 20:23 639231133806425363
15 ms 172.67.164.7
129 2026-08-23 20:23 639231133806425363
15 ms 104.21.81.202
128 2026-08-23 20:07 639231124203758023
21 ms 104.21.81.202
127 2026-08-23 20:07 639231124203758023
21 ms 172.67.164.7
126 2026-08-23 19:50 639231114428262706
41 ms 104.21.81.202
125 2026-08-23 19:50 639231114428262706
41 ms 172.67.164.7
124 2026-08-23 19:34 639231104662480065
35 ms 172.67.164.7
123 2026-08-23 19:34 639231104662480065
35 ms 104.21.81.202
122 2026-08-23 19:18 639231094840372018
42 ms 104.21.81.202
121 2026-08-23 19:18 639231094840372018
42 ms 172.67.164.7
120 2026-08-23 19:01 639231085024583224
24 ms 104.21.81.202
119 2026-08-23 19:01 639231085024583224
24 ms 172.67.164.7
118 2026-08-23 18:45 639231075257417427
31 ms 104.21.81.202
117 2026-08-23 18:45 639231075257417427
31 ms 172.67.164.7
116 2026-08-23 18:29 639231065516009503
2026 ms 172.67.164.7
115 2026-08-23 18:29 639231065516009503
2026 ms 104.21.81.202
114 2026-08-23 18:13 639231055805348837
46 ms 104.21.81.202
113 2026-08-23 18:13 639231055805348837
46 ms 172.67.164.7
112 2026-08-23 17:56 639231045980373765
157 ms 104.21.81.202
111 2026-08-23 17:56 639231045980373765
157 ms 172.67.164.7
110 2026-08-23 17:40 639231035984577527
61 ms 172.67.164.7
109 2026-08-23 17:40 639231035984577527
61 ms 104.21.81.202
108 2026-08-23 17:23 639231025928115303
31 ms 172.67.164.7
107 2026-08-23 17:23 639231025928115303
31 ms 104.21.81.202
106 2026-08-23 16:30 639230994250157583
9 ms 172.67.164.7
105 2026-08-23 16:30 639230994250157583
9 ms 104.21.81.202
104 2026-08-23 16:14 639230984476411369
31 ms 172.67.164.7
103 2026-08-23 16:14 639230984476411369
31 ms 104.21.81.202
102 2026-08-23 15:58 639230974838373450
19 ms 172.67.164.7
101 2026-08-23 15:58 639230974838373450
19 ms 104.21.81.202
100 2026-08-23 15:42 639230965244277645
26 ms 172.67.164.7
99 2026-08-23 15:42 639230965244277645
26 ms 104.21.81.202
98 2026-08-23 15:25 639230955522101820
37 ms 172.67.164.7
97 2026-08-23 15:25 639230955522101820
37 ms 104.21.81.202
96 2026-08-23 15:09 639230945754521603
21 ms 104.21.81.202
95 2026-08-23 15:09 639230945754521603
21 ms 172.67.164.7
94 2026-08-23 14:53 639230935852040504
15 ms 172.67.164.7
93 2026-08-23 14:53 639230935852040504
15 ms 104.21.81.202
92 2026-08-23 14:37 639230926222061048
8 ms 104.21.81.202
91 2026-08-23 14:37 639230926222061048
8 ms 172.67.164.7
90 2026-08-23 14:20 639230916449726907
46 ms 104.21.81.202
89 2026-08-23 14:20 639230916449726907
46 ms 172.67.164.7
88 2026-08-23 14:04 639230906595053086
11 ms 104.21.81.202
87 2026-08-23 14:04 639230906595053086
11 ms 172.67.164.7
86 2026-08-23 13:47 639230896680429441
26 ms 172.67.164.7
85 2026-08-23 13:47 639230896680429441
26 ms 104.21.81.202
84 2026-08-23 13:31 639230886630210965
28 ms 104.21.81.202
83 2026-08-23 13:31 639230886630210965
28 ms 172.67.164.7
82 2026-08-23 12:39 639230855430405719
42 ms 104.21.81.202
81 2026-08-23 12:39 639230855430405719
42 ms 172.67.164.7
80 2026-08-23 12:22 639230845707499136
43 ms 172.67.164.7
79 2026-08-23 12:22 639230845707499136
43 ms 104.21.81.202
78 2026-08-23 12:07 639230836186805419
17 ms 172.67.164.7
77 2026-08-23 12:07 639230836186805419
17 ms 104.21.81.202
76 2026-08-23 11:50 639230826493828316
24 ms 172.67.164.7
75 2026-08-23 11:50 639230826493828316
24 ms 104.21.81.202
74 2026-08-23 11:34 639230816817882996
51 ms 104.21.81.202
73 2026-08-23 11:34 639230816817882996
51 ms 172.67.164.7
72 2026-08-23 11:18 639230806933854189
35 ms 172.67.164.7
71 2026-08-23 11:18 639230806933854189
35 ms 104.21.81.202
70 2026-08-23 11:01 639230797120243854
49 ms 172.67.164.7
69 2026-08-23 11:01 639230797120243854
49 ms 104.21.81.202
68 2026-08-23 10:45 639230787310272840
2034 ms 172.67.164.7
67 2026-08-23 10:45 639230787310272840
2034 ms 104.21.81.202
66 2026-08-23 10:29 639230777600173142
9 ms 104.21.81.202
65 2026-08-23 10:29 639230777600173142
9 ms 172.67.164.7
64 2026-08-23 10:12 639230767665024593
34 ms 104.21.81.202
63 2026-08-23 10:12 639230767665024593
34 ms 172.67.164.7
62 2026-08-23 09:56 639230757720962293
9 ms 172.67.164.7
61 2026-08-23 09:56 639230757720962293
9 ms 104.21.81.202
60 2026-08-23 09:39 639230747722189784
70 ms 104.21.81.202
59 2026-08-23 09:39 639230747722189784
70 ms 172.67.164.7
58 2026-08-23 08:47 639230716313923480
33 ms 104.21.81.202
57 2026-08-23 08:47 639230716313923480
33 ms 172.67.164.7
56 2026-08-23 08:31 639230706813835990
32 ms 172.67.164.7
55 2026-08-23 08:31 639230706813835990
32 ms 104.21.81.202
54 2026-08-23 08:14 639230696871062203
8 ms 172.67.164.7
53 2026-08-23 08:14 639230696871062203
8 ms 104.21.81.202
52 2026-08-23 07:58 639230687142781616
37 ms 104.21.81.202
51 2026-08-23 07:58 639230687142781616
37 ms 172.67.164.7
50 2026-08-23 07:42 639230677432142227
22 ms 172.67.164.7
49 2026-08-23 07:42 639230677432142227
22 ms 104.21.81.202
48 2026-08-23 07:26 639230667686258061
17 ms 172.67.164.7
47 2026-08-23 07:26 639230667686258061
17 ms 104.21.81.202
46 2026-08-23 07:10 639230658039243685
6 ms 172.67.164.7
45 2026-08-23 07:10 639230658039243685
6 ms 104.21.81.202
44 2026-08-23 06:54 639230648468473803
31 ms 104.21.81.202
43 2026-08-23 06:54 639230648468473803
31 ms 172.67.164.7
42 2026-08-23 06:38 639230638829658294
39 ms 104.21.81.202
41 2026-08-23 06:38 639230638829658294
39 ms 172.67.164.7
40 2026-08-23 06:22 639230629247017617
19 ms 104.21.81.202
39 2026-08-23 06:22 639230629247017617
19 ms 172.67.164.7
38 2026-08-23 06:06 639230619625318239
28 ms 104.21.81.202
37 2026-08-23 06:06 639230619625318239
28 ms 172.67.164.7
36 2026-08-23 05:49 639230609697630264
37 ms 172.67.164.7
35 2026-08-23 05:49 639230609697630264
37 ms 104.21.81.202
34 2026-08-23 04:57 639230578570131864
11 ms 172.67.164.7
33 2026-08-23 04:57 639230578570131864
11 ms 104.21.81.202
32 2026-08-23 04:41 639230568958963168
34 ms 172.67.164.7
31 2026-08-23 04:41 639230568958963168
34 ms 104.21.81.202
30 2026-08-23 04:25 639230559287611211
116 ms 104.21.81.202
29 2026-08-23 04:25 639230559287611211
116 ms 172.67.164.7
28 2026-08-23 04:09 639230549524312030
33 ms 104.21.81.202
27 2026-08-23 04:09 639230549524312030
33 ms 172.67.164.7
26 2026-08-23 03:53 639230539739801669
2066 ms 104.21.81.202
25 2026-08-23 03:53 639230539739801669
2066 ms 172.67.164.7
24 2026-08-23 03:36 639230530084069375
40 ms 104.21.81.202
23 2026-08-23 03:36 639230530084069375
40 ms 172.67.164.7
22 2026-08-23 03:20 639230520362691441
68 ms 104.21.81.202
21 2026-08-23 03:20 639230520362691441
68 ms 172.67.164.7
20 2026-08-23 03:04 639230510677194518
32 ms 172.67.164.7
19 2026-08-23 03:04 639230510677194518
32 ms 104.21.81.202
18 2026-08-23 02:48 639230501156002646
30 ms 104.21.81.202
17 2026-08-23 02:48 639230501156002646
30 ms 172.67.164.7
16 2026-08-23 02:32 639230491502198541
75 ms 104.21.81.202
15 2026-08-23 02:32 639230491502198541
75 ms 172.67.164.7
14 2026-08-23 02:16 639230481860318494
34 ms 172.67.164.7
13 2026-08-23 02:16 639230481860318494
34 ms 104.21.81.202
12 2026-08-23 01:59 639230471893008575
66 ms 104.21.81.202
11 2026-08-23 01:59 639230471893008575
66 ms 172.67.164.7
10 2026-08-23 01:06 639230440030877421
11 ms 172.67.164.7
9 2026-08-23 01:06 639230440030877421
11 ms 104.21.81.202
8 2026-08-23 00:50 639230430479725508
14 ms 104.21.81.202
7 2026-08-23 00:50 639230430479725508
14 ms 172.67.164.7
6 2026-08-23 00:34 639230420875160219
8 ms 104.21.81.202
5 2026-08-23 00:34 639230420875160219
8 ms 172.67.164.7
4 2026-08-23 00:18 639230411240692575
20 ms 104.21.81.202
3 2026-08-23 00:18 639230411240692575
20 ms 172.67.164.7
2 2026-08-23 00:02 639230401550806607
50 ms 172.67.164.7
1 2026-08-23 00:02 639230401550806607
50 ms 104.21.81.202