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 2026-08-22. For this date, NameServerHistory found 145 DNS check records, 142 successful responses, 3 failed responses, and 174 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

145

Historical checks stored for this nameserver on selected date

Average Latency

174 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.67.164.7

Most recently resolved hosting IP on selected date

Successful Responses

142

Checks that returned a measurable response

Failed Responses

3

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.optionalarm.com

Showing DNS history for 2026-08-22 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
145 2026-08-22 23:46 639230391807229016
6 ms 172.67.164.7
144 2026-08-22 23:46 639230391807229016
6 ms 104.21.81.202
143 2026-08-22 23:30 639230382051619327
21 ms 104.21.81.202
142 2026-08-22 23:30 639230382051619327
21 ms 172.67.164.7
141 2026-08-22 23:13 639230372323353529
9 ms 172.67.164.7
140 2026-08-22 23:13 639230372323353529
9 ms 104.21.81.202
139 2026-08-22 22:57 639230362586451064
20 ms 104.21.81.202
138 2026-08-22 22:57 639230362586451064
20 ms 172.67.164.7
137 2026-08-22 22:41 639230352793666303
18 ms 104.21.81.202
136 2026-08-22 22:41 639230352793666303
18 ms 172.67.164.7
135 2026-08-22 22:24 639230342775737758
44 ms 104.21.81.202
134 2026-08-22 22:24 639230342775737758
44 ms 172.67.164.7
133 2026-08-22 22:07 639230332639939561
97 ms 172.67.164.7
132 2026-08-22 22:07 639230332639939561
97 ms 104.21.81.202
131 2026-08-22 21:15 639230301014190104
10 ms 172.67.164.7
130 2026-08-22 21:15 639230301014190104
10 ms 104.21.81.202
129 2026-08-22 20:58 639230291048161498
28 ms 104.21.81.202
128 2026-08-22 20:58 639230291048161498
28 ms 172.67.164.7
127 2026-08-22 20:41 639230280894353664
51 ms 172.67.164.7
126 2026-08-22 20:41 639230280894353664
51 ms 104.21.81.202
125 2026-08-22 20:24 639230270699419073
35 ms 172.67.164.7
124 2026-08-22 20:24 639230270699419073
35 ms 104.21.81.202
123 2026-08-22 20:07 639230260248163050
-
122 2026-08-22 19:50 639230250122494282
9 ms 172.67.164.7
121 2026-08-22 19:50 639230250122494282
9 ms 104.21.81.202
120 2026-08-22 19:33 639230239972935046
13 ms 104.21.81.202
119 2026-08-22 19:33 639230239972935046
13 ms 172.67.164.7
118 2026-08-22 19:16 639230229963262464
36 ms 172.67.164.7
117 2026-08-22 19:16 639230229963262464
36 ms 104.21.81.202
116 2026-08-22 19:00 639230220033804658
10 ms 104.21.81.202
115 2026-08-22 19:00 639230220033804658
10 ms 172.67.164.7
114 2026-08-22 18:43 639230209891107289
22 ms 104.21.81.202
113 2026-08-22 18:43 639230209891107289
22 ms 172.67.164.7
112 2026-08-22 18:26 639230199630298717
23 ms 172.67.164.7
111 2026-08-22 18:26 639230199630298717
23 ms 104.21.81.202
110 2026-08-22 18:08 639230189301984150
2036 ms 104.21.81.202
109 2026-08-22 18:08 639230189301984150
2036 ms 172.67.164.7
108 2026-08-22 17:15 639230157138468804
21 ms 172.67.164.7
107 2026-08-22 17:15 639230157138468804
21 ms 104.21.81.202
106 2026-08-22 16:58 639230146987869495
48 ms 104.21.81.202
105 2026-08-22 16:58 639230146987869495
48 ms 172.67.164.7
104 2026-08-22 16:41 639230136768638516
-
103 2026-08-22 16:24 639230126735907877
21 ms 172.67.164.7
102 2026-08-22 16:24 639230126735907877
21 ms 104.21.81.202
101 2026-08-22 16:07 639230116551187768
13 ms 172.67.164.7
100 2026-08-22 16:07 639230116551187768
13 ms 104.21.81.202
99 2026-08-22 15:50 639230106335615913
9 ms 172.67.164.7
98 2026-08-22 15:50 639230106335615913
9 ms 104.21.81.202
97 2026-08-22 15:33 639230096177758176
6 ms 172.67.164.7
96 2026-08-22 15:33 639230096177758176
6 ms 104.21.81.202
95 2026-08-22 15:17 639230086185999993
29 ms 172.67.164.7
94 2026-08-22 15:17 639230086185999993
29 ms 104.21.81.202
93 2026-08-22 15:00 639230076247854903
7 ms 104.21.81.202
92 2026-08-22 15:00 639230076247854903
7 ms 172.67.164.7
91 2026-08-22 14:43 639230066076077530
107 ms 104.21.81.202
90 2026-08-22 14:43 639230066076077530
107 ms 172.67.164.7
89 2026-08-22 14:26 639230055738197328
39 ms 172.67.164.7
88 2026-08-22 14:26 639230055738197328
39 ms 104.21.81.202
87 2026-08-22 14:09 639230045411225521
54 ms 104.21.81.202
86 2026-08-22 14:09 639230045411225521
54 ms 172.67.164.7
85 2026-08-22 13:15 639230013046000470
64 ms 172.67.164.7
84 2026-08-22 13:15 639230013046000470
64 ms 104.21.81.202
83 2026-08-22 12:58 639230003090037878
12 ms 172.67.164.7
82 2026-08-22 12:58 639230003090037878
12 ms 104.21.81.202
81 2026-08-22 12:41 639229993008259475
10 ms 172.67.164.7
80 2026-08-22 12:41 639229993008259475
10 ms 104.21.81.202
79 2026-08-22 12:25 639229982909449470
-
78 2026-08-22 12:08 639229973035502212
44 ms 104.21.81.202
77 2026-08-22 12:08 639229973035502212
44 ms 172.67.164.7
76 2026-08-22 11:51 639229963064296145
24 ms 172.67.164.7
75 2026-08-22 11:51 639229963064296145
24 ms 104.21.81.202
74 2026-08-22 11:35 639229952996162143
43 ms 104.21.81.202
73 2026-08-22 11:35 639229952996162143
43 ms 172.67.164.7
72 2026-08-22 11:18 639229943051949195
94 ms 104.21.81.202
71 2026-08-22 11:18 639229943051949195
94 ms 172.67.164.7
70 2026-08-22 11:01 639229932919214934
46 ms 172.67.164.7
69 2026-08-22 11:01 639229932919214934
46 ms 104.21.81.202
68 2026-08-22 10:44 639229922745889838
49 ms 172.67.164.7
67 2026-08-22 10:44 639229922745889838
49 ms 104.21.81.202
66 2026-08-22 10:27 639229912587214796
48 ms 104.21.81.202
65 2026-08-22 10:27 639229912587214796
48 ms 172.67.164.7
64 2026-08-22 10:10 639229902240004454
44 ms 172.67.164.7
63 2026-08-22 10:10 639229902240004454
44 ms 104.21.81.202
62 2026-08-22 09:18 639229870800501662
2053 ms 172.67.164.7
61 2026-08-22 09:18 639229870800501662
2053 ms 104.21.81.202
60 2026-08-22 09:01 639229861058384956
9 ms 104.21.81.202
59 2026-08-22 09:01 639229861058384956
9 ms 172.67.164.7
58 2026-08-22 08:45 639229851158592604
25 ms 104.21.81.202
57 2026-08-22 08:45 639229851158592604
25 ms 172.67.164.7
56 2026-08-22 08:29 639229841475569629
39 ms 104.21.81.202
55 2026-08-22 08:29 639229841475569629
39 ms 172.67.164.7
54 2026-08-22 08:13 639229831887658471
8 ms 104.21.81.202
53 2026-08-22 08:13 639229831887658471
8 ms 172.67.164.7
52 2026-08-22 07:56 639229822043670346
14 ms 104.21.81.202
51 2026-08-22 07:56 639229822043670346
14 ms 172.67.164.7
50 2026-08-22 07:40 639229812327913936
12 ms 104.21.81.202
49 2026-08-22 07:40 639229812327913936
12 ms 172.67.164.7
48 2026-08-22 07:24 639229802629488686
15 ms 104.21.81.202
47 2026-08-22 07:24 639229802629488686
15 ms 172.67.164.7
46 2026-08-22 07:08 639229793051447309
41 ms 172.67.164.7
45 2026-08-22 07:08 639229793051447309
41 ms 104.21.81.202
44 2026-08-22 06:52 639229783303531961
47 ms 172.67.164.7
43 2026-08-22 06:52 639229783303531961
47 ms 104.21.81.202
42 2026-08-22 06:35 639229773458051942
41 ms 172.67.164.7
41 2026-08-22 06:35 639229773458051942
41 ms 104.21.81.202
40 2026-08-22 06:19 639229763373848056
54 ms 104.21.81.202
39 2026-08-22 06:19 639229763373848056
54 ms 172.67.164.7
38 2026-08-22 05:26 639229732140622809
4 ms 172.67.164.7
37 2026-08-22 05:26 639229732140622809
4 ms 104.21.81.202
36 2026-08-22 05:11 639229722699695967
32 ms 104.21.81.202
35 2026-08-22 05:11 639229722699695967
32 ms 172.67.164.7
34 2026-08-22 04:55 639229713097498075
26 ms 104.21.81.202
33 2026-08-22 04:55 639229713097498075
26 ms 172.67.164.7
32 2026-08-22 04:39 639229703543969637
7 ms 104.21.81.202
31 2026-08-22 04:39 639229703543969637
7 ms 172.67.164.7
30 2026-08-22 04:23 639229693970392873
38 ms 104.21.81.202
29 2026-08-22 04:23 639229693970392873
38 ms 172.67.164.7
28 2026-08-22 04:07 639229684277329469
25 ms 104.21.81.202
27 2026-08-22 04:07 639229684277329469
25 ms 172.67.164.7
26 2026-08-22 03:50 639229674501596661
38 ms 104.21.81.202
25 2026-08-22 03:50 639229674501596661
38 ms 172.67.164.7
24 2026-08-22 03:35 639229665064441147
23 ms 104.21.81.202
23 2026-08-22 03:35 639229665064441147
23 ms 172.67.164.7
22 2026-08-22 03:19 639229655507536872
20 ms 172.67.164.7
21 2026-08-22 03:19 639229655507536872
20 ms 104.21.81.202
20 2026-08-22 03:03 639229645849603111
33 ms 172.67.164.7
19 2026-08-22 03:03 639229645849603111
33 ms 104.21.81.202
18 2026-08-22 02:46 639229636090497453
54 ms 172.67.164.7
17 2026-08-22 02:46 639229636090497453
54 ms 104.21.81.202
16 2026-08-22 02:30 639229625978544281
131 ms 172.67.164.7
15 2026-08-22 02:30 639229625978544281
131 ms 104.21.81.202
14 2026-08-22 01:37 639229594644662176
16 ms 104.21.81.202
13 2026-08-22 01:37 639229594644662176
16 ms 172.67.164.7
12 2026-08-22 01:22 639229585214633065
4025 ms 172.67.164.7
11 2026-08-22 01:22 639229585214633065
4025 ms 104.21.81.202
10 2026-08-22 01:06 639229575581042175
37 ms 104.21.81.202
9 2026-08-22 01:06 639229575581042175
37 ms 172.67.164.7
8 2026-08-22 00:49 639229565912268962
2074 ms 104.21.81.202
7 2026-08-22 00:49 639229565912268962
2074 ms 172.67.164.7
6 2026-08-22 00:33 639229556237813203
24 ms 172.67.164.7
5 2026-08-22 00:33 639229556237813203
24 ms 104.21.81.202
4 2026-08-22 00:17 639229546625802518
16 ms 172.67.164.7
3 2026-08-22 00:17 639229546625802518
16 ms 104.21.81.202
2 2026-08-22 00:02 639229537172016621
41 ms 172.67.164.7
1 2026-08-22 00:02 639229537172016621
41 ms 104.21.81.202