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 2026-08-14. For this date, NameServerHistory found 156 DNS check records, 156 successful responses, 0 failed responses, and 95 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

156

Historical checks stored for this nameserver on selected date

Average Latency

95 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-14 23:58

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

156

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 2026-08-14 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
156 2026-08-14 23:58 639223486524583054
10 ms 104.21.81.202
155 2026-08-14 23:58 639223486524583054
10 ms 172.67.164.7
154 2026-08-14 23:42 639223477272309567
21 ms 172.67.164.7
153 2026-08-14 23:42 639223477272309567
21 ms 104.21.81.202
152 2026-08-14 23:27 639223467876800215
33 ms 172.67.164.7
151 2026-08-14 23:27 639223467876800215
33 ms 104.21.81.202
150 2026-08-14 23:11 639223458466733344
13 ms 172.67.164.7
149 2026-08-14 23:11 639223458466733344
13 ms 104.21.81.202
148 2026-08-14 22:56 639223449196197019
7 ms 104.21.81.202
147 2026-08-14 22:56 639223449196197019
7 ms 172.67.164.7
146 2026-08-14 22:40 639223439729973302
41 ms 172.67.164.7
145 2026-08-14 22:40 639223439729973302
41 ms 104.21.81.202
144 2026-08-14 22:24 639223430298973377
7 ms 172.67.164.7
143 2026-08-14 22:24 639223430298973377
7 ms 104.21.81.202
142 2026-08-14 22:08 639223420812183061
6 ms 172.67.164.7
141 2026-08-14 22:08 639223420812183061
6 ms 104.21.81.202
140 2026-08-14 21:52 639223411307572360
10 ms 104.21.81.202
139 2026-08-14 21:52 639223411307572360
10 ms 172.67.164.7
138 2026-08-14 21:37 639223401895099116
25 ms 104.21.81.202
137 2026-08-14 21:37 639223401895099116
25 ms 172.67.164.7
136 2026-08-14 20:44 639223370328282191
12 ms 172.67.164.7
135 2026-08-14 20:44 639223370328282191
12 ms 104.21.81.202
134 2026-08-14 20:29 639223361156898888
9 ms 172.67.164.7
133 2026-08-14 20:29 639223361156898888
9 ms 104.21.81.202
132 2026-08-14 20:13 639223351683501109
137 ms 104.21.81.202
131 2026-08-14 20:13 639223351683501109
137 ms 172.67.164.7
130 2026-08-14 19:58 639223342485908428
9 ms 172.67.164.7
129 2026-08-14 19:58 639223342485908428
9 ms 104.21.81.202
128 2026-08-14 19:42 639223333113923772
19 ms 172.67.164.7
127 2026-08-14 19:42 639223333113923772
19 ms 104.21.81.202
126 2026-08-14 19:27 639223323766820131
29 ms 104.21.81.202
125 2026-08-14 19:27 639223323766820131
29 ms 172.67.164.7
124 2026-08-14 19:11 639223314500774279
4 ms 172.67.164.7
123 2026-08-14 19:11 639223314500774279
4 ms 104.21.81.202
122 2026-08-14 18:56 639223305225877159
16 ms 104.21.81.202
121 2026-08-14 18:56 639223305225877159
16 ms 172.67.164.7
120 2026-08-14 18:40 639223295834845965
34 ms 172.67.164.7
119 2026-08-14 18:40 639223295834845965
34 ms 104.21.81.202
118 2026-08-14 18:24 639223286312006616
66 ms 104.21.81.202
117 2026-08-14 18:24 639223286312006616
66 ms 172.67.164.7
116 2026-08-14 18:08 639223276659010988
50 ms 104.21.81.202
115 2026-08-14 18:08 639223276659010988
50 ms 172.67.164.7
114 2026-08-14 17:52 639223267203892251
23 ms 172.67.164.7
113 2026-08-14 17:52 639223267203892251
23 ms 104.21.81.202
112 2026-08-14 17:00 639223235652723921
619 ms 104.21.81.202
111 2026-08-14 17:00 639223235652723921
619 ms 172.67.164.7
110 2026-08-14 16:44 639223226156684619
57 ms 104.21.81.202
109 2026-08-14 16:44 639223226156684619
57 ms 172.67.164.7
108 2026-08-14 16:29 639223216737677817
31 ms 104.21.81.202
107 2026-08-14 16:29 639223216737677817
31 ms 172.67.164.7
106 2026-08-14 16:13 639223207303987036
9 ms 172.67.164.7
105 2026-08-14 16:13 639223207303987036
9 ms 104.21.81.202
104 2026-08-14 15:57 639223197972369650
33 ms 104.21.81.202
103 2026-08-14 15:57 639223197972369650
33 ms 172.67.164.7
102 2026-08-14 15:41 639223188476518684
24 ms 104.21.81.202
101 2026-08-14 15:41 639223188476518684
24 ms 172.67.164.7
100 2026-08-14 15:26 639223179029668254
76 ms 104.21.81.202
99 2026-08-14 15:26 639223179029668254
76 ms 172.67.164.7
98 2026-08-14 15:10 639223169668684371
39 ms 172.67.164.7
97 2026-08-14 15:10 639223169668684371
39 ms 104.21.81.202
96 2026-08-14 14:54 639223160270013058
6 ms 104.21.81.202
95 2026-08-14 14:54 639223160270013058
6 ms 172.67.164.7
94 2026-08-14 14:39 639223150848386507
36 ms 172.67.164.7
93 2026-08-14 14:39 639223150848386507
36 ms 104.21.81.202
92 2026-08-14 14:23 639223141514160124
61 ms 172.67.164.7
91 2026-08-14 14:23 639223141514160124
61 ms 104.21.81.202
90 2026-08-14 14:07 639223131908897269
17 ms 104.21.81.202
89 2026-08-14 14:07 639223131908897269
17 ms 172.67.164.7
88 2026-08-14 13:14 639223100084750932
6 ms 172.67.164.7
87 2026-08-14 13:14 639223100084750932
6 ms 104.21.81.202
86 2026-08-14 12:59 639223090744921973
11 ms 172.67.164.7
85 2026-08-14 12:59 639223090744921973
11 ms 104.21.81.202
84 2026-08-14 12:43 639223081343134137
58 ms 172.67.164.7
83 2026-08-14 12:43 639223081343134137
58 ms 104.21.81.202
82 2026-08-14 12:27 639223071917003603
60 ms 104.21.81.202
81 2026-08-14 12:27 639223071917003603
60 ms 172.67.164.7
80 2026-08-14 12:11 639223062407395043
64 ms 172.67.164.7
79 2026-08-14 12:11 639223062407395043
64 ms 104.21.81.202
78 2026-08-14 11:56 639223052970600447
29 ms 172.67.164.7
77 2026-08-14 11:56 639223052970600447
29 ms 104.21.81.202
76 2026-08-14 11:40 639223043584242187
9 ms 172.67.164.7
75 2026-08-14 11:40 639223043584242187
9 ms 104.21.81.202
74 2026-08-14 11:24 639223034248611856
10 ms 104.21.81.202
73 2026-08-14 11:24 639223034248611856
10 ms 172.67.164.7
72 2026-08-14 11:09 639223024816175094
23 ms 172.67.164.7
71 2026-08-14 11:09 639223024816175094
23 ms 104.21.81.202
70 2026-08-14 10:53 639223015278211871
114 ms 172.67.164.7
69 2026-08-14 10:53 639223015278211871
114 ms 104.21.81.202
68 2026-08-14 10:36 639223005387568522
15 ms 172.67.164.7
67 2026-08-14 10:36 639223005387568522
15 ms 104.21.81.202
66 2026-08-14 10:21 639222995944735037
2077 ms 172.67.164.7
65 2026-08-14 10:21 639222995944735037
2077 ms 104.21.81.202
64 2026-08-14 09:28 639222964532402826
10 ms 104.21.81.202
63 2026-08-14 09:28 639222964532402826
10 ms 172.67.164.7
62 2026-08-14 09:13 639222955031971579
247 ms 172.67.164.7
61 2026-08-14 09:13 639222955031971579
247 ms 104.21.81.202
60 2026-08-14 08:57 639222945616352079
52 ms 104.21.81.202
59 2026-08-14 08:57 639222945616352079
52 ms 172.67.164.7
58 2026-08-14 08:41 639222936296615644
37 ms 104.21.81.202
57 2026-08-14 08:41 639222936296615644
37 ms 172.67.164.7
56 2026-08-14 08:26 639222926913151746
46 ms 172.67.164.7
55 2026-08-14 08:26 639222926913151746
46 ms 104.21.81.202
54 2026-08-14 08:10 639222917608375722
45 ms 172.67.164.7
53 2026-08-14 08:10 639222917608375722
45 ms 104.21.81.202
52 2026-08-14 07:55 639222908294448500
42 ms 104.21.81.202
51 2026-08-14 07:55 639222908294448500
42 ms 172.67.164.7
50 2026-08-14 07:39 639222898918389753
45 ms 172.67.164.7
49 2026-08-14 07:39 639222898918389753
45 ms 104.21.81.202
48 2026-08-14 07:23 639222889625876211
8 ms 172.67.164.7
47 2026-08-14 07:23 639222889625876211
8 ms 104.21.81.202
46 2026-08-14 07:08 639222880353707528
35 ms 172.67.164.7
45 2026-08-14 07:08 639222880353707528
35 ms 104.21.81.202
44 2026-08-14 06:52 639222871065611259
9 ms 104.21.81.202
43 2026-08-14 06:52 639222871065611259
9 ms 172.67.164.7
42 2026-08-14 06:37 639222861517093112
2117 ms 104.21.81.202
41 2026-08-14 06:37 639222861517093112
2117 ms 172.67.164.7
40 2026-08-14 05:45 639222830182717637
21 ms 104.21.81.202
39 2026-08-14 05:45 639222830182717637
21 ms 172.67.164.7
38 2026-08-14 05:29 639222820714737422
41 ms 172.67.164.7
37 2026-08-14 05:29 639222820714737422
41 ms 104.21.81.202
36 2026-08-14 05:13 639222811404284741
22 ms 172.67.164.7
35 2026-08-14 05:13 639222811404284741
22 ms 104.21.81.202
34 2026-08-14 04:58 639222801994952240
24 ms 104.21.81.202
33 2026-08-14 04:58 639222801994952240
24 ms 172.67.164.7
32 2026-08-14 04:42 639222792581940911
47 ms 172.67.164.7
31 2026-08-14 04:42 639222792581940911
47 ms 104.21.81.202
30 2026-08-14 04:27 639222783296631220
9 ms 104.21.81.202
29 2026-08-14 04:27 639222783296631220
9 ms 172.67.164.7
28 2026-08-14 04:11 639222773909528001
5 ms 172.67.164.7
27 2026-08-14 04:11 639222773909528001
5 ms 104.21.81.202
26 2026-08-14 03:55 639222764574707991
33 ms 104.21.81.202
25 2026-08-14 03:55 639222764574707991
33 ms 172.67.164.7
24 2026-08-14 03:39 639222754982758281
26 ms 104.21.81.202
23 2026-08-14 03:39 639222754982758281
26 ms 172.67.164.7
22 2026-08-14 03:24 639222745650144239
34 ms 172.67.164.7
21 2026-08-14 03:24 639222745650144239
34 ms 104.21.81.202
20 2026-08-14 03:08 639222736060223018
11 ms 104.21.81.202
19 2026-08-14 03:08 639222736060223018
11 ms 172.67.164.7
18 2026-08-14 02:52 639222726529271510
32 ms 172.67.164.7
17 2026-08-14 02:52 639222726529271510
32 ms 104.21.81.202
16 2026-08-14 01:59 639222694791257846
36 ms 172.67.164.7
15 2026-08-14 01:59 639222694791257846
36 ms 104.21.81.202
14 2026-08-14 01:44 639222685350317820
4 ms 104.21.81.202
13 2026-08-14 01:44 639222685350317820
4 ms 172.67.164.7
12 2026-08-14 01:28 639222675895178560
33 ms 104.21.81.202
11 2026-08-14 01:28 639222675895178560
33 ms 172.67.164.7
10 2026-08-14 01:12 639222666344182743
27 ms 104.21.81.202
9 2026-08-14 01:12 639222666344182743
27 ms 172.67.164.7
8 2026-08-14 00:56 639222656762316965
8 ms 172.67.164.7
7 2026-08-14 00:56 639222656762316965
8 ms 104.21.81.202
6 2026-08-14 00:40 639222647109404695
125 ms 172.67.164.7
5 2026-08-14 00:40 639222647109404695
125 ms 104.21.81.202
4 2026-08-14 00:24 639222637659944389
58 ms 172.67.164.7
3 2026-08-14 00:24 639222637659944389
58 ms 104.21.81.202
2 2026-08-14 00:08 639222628151417313
37 ms 172.67.164.7
1 2026-08-14 00:08 639222628151417313
37 ms 104.21.81.202