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 2026-08-16. For this date, NameServerHistory found 120 DNS check records, 120 successful responses, 0 failed responses, and 197 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

120

Historical checks stored for this nameserver on selected date

Average Latency

197 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-16 23:45

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

120

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 2026-08-16 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
120 2026-08-16 23:45 639225207490611656
21 ms 172.67.164.7
119 2026-08-16 23:45 639225207490611656
21 ms 104.21.81.202
118 2026-08-16 23:30 639225198045815385
47 ms 104.21.81.202
117 2026-08-16 23:30 639225198045815385
47 ms 172.67.164.7
116 2026-08-16 22:38 639225166825544741
20 ms 172.67.164.7
115 2026-08-16 22:38 639225166825544741
20 ms 104.21.81.202
114 2026-08-16 22:22 639225157549461269
63 ms 172.67.164.7
113 2026-08-16 22:22 639225157549461269
63 ms 104.21.81.202
112 2026-08-16 22:06 639225147914556308
35 ms 172.67.164.7
111 2026-08-16 22:06 639225147914556308
35 ms 104.21.81.202
110 2026-08-16 21:50 639225138472322960
11 ms 172.67.164.7
109 2026-08-16 21:50 639225138472322960
11 ms 104.21.81.202
108 2026-08-16 20:58 639225107211236826
2035 ms 104.21.81.202
107 2026-08-16 20:58 639225107211236826
2035 ms 172.67.164.7
106 2026-08-16 20:42 639225097684457510
33 ms 172.67.164.7
105 2026-08-16 20:42 639225097684457510
33 ms 104.21.81.202
104 2026-08-16 20:26 639225087942913396
13 ms 172.67.164.7
103 2026-08-16 20:26 639225087942913396
13 ms 104.21.81.202
102 2026-08-16 20:10 639225078238684183
5 ms 104.21.81.202
101 2026-08-16 20:10 639225078238684183
5 ms 172.67.164.7
100 2026-08-16 19:18 639225046944151094
22 ms 172.67.164.7
99 2026-08-16 19:18 639225046944151094
22 ms 104.21.81.202
98 2026-08-16 19:02 639225037234857231
41 ms 104.21.81.202
97 2026-08-16 19:02 639225037234857231
41 ms 172.67.164.7
96 2026-08-16 18:45 639225027423459920
43 ms 104.21.81.202
95 2026-08-16 18:45 639225027423459920
43 ms 172.67.164.7
94 2026-08-16 18:29 639225017891613027
37 ms 104.21.81.202
93 2026-08-16 18:29 639225017891613027
37 ms 172.67.164.7
92 2026-08-16 17:37 639224986298183527
9 ms 172.67.164.7
91 2026-08-16 17:37 639224986298183527
9 ms 104.21.81.202
90 2026-08-16 17:21 639224976567107023
49 ms 172.67.164.7
89 2026-08-16 17:21 639224976567107023
49 ms 104.21.81.202
88 2026-08-16 17:04 639224966709723386
48 ms 172.67.164.7
87 2026-08-16 17:04 639224966709723386
48 ms 104.21.81.202
86 2026-08-16 16:48 639224957175756942
13 ms 104.21.81.202
85 2026-08-16 16:48 639224957175756942
13 ms 172.67.164.7
84 2026-08-16 15:56 639224925782379869
2032 ms 172.67.164.7
83 2026-08-16 15:56 639224925782379869
2032 ms 104.21.81.202
82 2026-08-16 15:40 639224916429532459
31 ms 172.67.164.7
81 2026-08-16 15:40 639224916429532459
31 ms 104.21.81.202
80 2026-08-16 15:24 639224906878325623
22 ms 172.67.164.7
79 2026-08-16 15:24 639224906878325623
22 ms 104.21.81.202
78 2026-08-16 15:08 639224897258974385
27 ms 104.21.81.202
77 2026-08-16 15:08 639224897258974385
27 ms 172.67.164.7
76 2026-08-16 14:17 639224866169532828
27 ms 172.67.164.7
75 2026-08-16 14:17 639224866169532828
27 ms 104.21.81.202
74 2026-08-16 14:01 639224856561831915
32 ms 172.67.164.7
73 2026-08-16 14:01 639224856561831915
32 ms 104.21.81.202
72 2026-08-16 13:44 639224846830897794
20 ms 172.67.164.7
71 2026-08-16 13:44 639224846830897794
20 ms 104.21.81.202
70 2026-08-16 13:28 639224836975863283
20 ms 172.67.164.7
69 2026-08-16 13:28 639224836975863283
20 ms 104.21.81.202
68 2026-08-16 12:35 639224804985340946
37 ms 172.67.164.7
67 2026-08-16 12:35 639224804985340946
37 ms 104.21.81.202
66 2026-08-16 12:19 639224795567782333
14 ms 104.21.81.202
65 2026-08-16 12:19 639224795567782333
14 ms 172.67.164.7
64 2026-08-16 12:03 639224785914225250
30 ms 172.67.164.7
63 2026-08-16 12:03 639224785914225250
30 ms 104.21.81.202
62 2026-08-16 11:47 639224776383854998
31 ms 172.67.164.7
61 2026-08-16 11:47 639224776383854998
31 ms 104.21.81.202
60 2026-08-16 10:53 639224744252113993
11 ms 172.67.164.7
59 2026-08-16 10:53 639224744252113993
11 ms 104.21.81.202
58 2026-08-16 10:37 639224734238905542
10 ms 104.21.81.202
57 2026-08-16 10:37 639224734238905542
10 ms 172.67.164.7
56 2026-08-16 10:20 639224724335031221
18 ms 172.67.164.7
55 2026-08-16 10:20 639224724335031221
18 ms 104.21.81.202
54 2026-08-16 10:04 639224714475244430
14 ms 172.67.164.7
53 2026-08-16 10:04 639224714475244430
14 ms 104.21.81.202
52 2026-08-16 09:08 639224681063874153
25 ms 104.21.81.202
51 2026-08-16 09:08 639224681063874153
25 ms 172.67.164.7
50 2026-08-16 08:51 639224671038956665
28 ms 104.21.81.202
49 2026-08-16 08:51 639224671038956665
28 ms 172.67.164.7
48 2026-08-16 08:35 639224661079806122
2082 ms 104.21.81.202
47 2026-08-16 08:35 639224661079806122
2082 ms 172.67.164.7
46 2026-08-16 08:18 639224651169993038
16 ms 104.21.81.202
45 2026-08-16 08:18 639224651169993038
16 ms 172.67.164.7
44 2026-08-16 07:24 639224618882283050
10 ms 172.67.164.7
43 2026-08-16 07:24 639224618882283050
10 ms 104.21.81.202
42 2026-08-16 07:09 639224609519965372
40 ms 172.67.164.7
41 2026-08-16 07:09 639224609519965372
40 ms 104.21.81.202
40 2026-08-16 06:53 639224599969658888
26 ms 104.21.81.202
39 2026-08-16 06:53 639224599969658888
26 ms 172.67.164.7
38 2026-08-16 06:37 639224590360343307
15 ms 104.21.81.202
37 2026-08-16 06:37 639224590360343307
15 ms 172.67.164.7
36 2026-08-16 05:44 639224558901831832
40 ms 172.67.164.7
35 2026-08-16 05:44 639224558901831832
40 ms 104.21.81.202
34 2026-08-16 05:29 639224549678210576
19 ms 104.21.81.202
33 2026-08-16 05:29 639224549678210576
19 ms 172.67.164.7
32 2026-08-16 05:14 639224540433420642
8 ms 172.67.164.7
31 2026-08-16 05:14 639224540433420642
8 ms 104.21.81.202
30 2026-08-16 04:58 639224531046032443
10 ms 104.21.81.202
29 2026-08-16 04:58 639224531046032443
10 ms 172.67.164.7
28 2026-08-16 04:06 639224499638024410
2090 ms 172.67.164.7
27 2026-08-16 04:06 639224499638024410
2090 ms 104.21.81.202
26 2026-08-16 03:50 639224490358783451
2061 ms 172.67.164.7
25 2026-08-16 03:50 639224490358783451
2061 ms 104.21.81.202
24 2026-08-16 03:35 639224481111410545
44 ms 172.67.164.7
23 2026-08-16 03:35 639224481111410545
44 ms 104.21.81.202
22 2026-08-16 03:19 639224471809153772
71 ms 104.21.81.202
21 2026-08-16 03:19 639224471809153772
71 ms 172.67.164.7
20 2026-08-16 02:27 639224440124457324
54 ms 104.21.81.202
19 2026-08-16 02:27 639224440124457324
54 ms 172.67.164.7
18 2026-08-16 02:11 639224430921105721
11 ms 172.67.164.7
17 2026-08-16 02:11 639224430921105721
11 ms 104.21.81.202
16 2026-08-16 01:55 639224421455433103
10 ms 172.67.164.7
15 2026-08-16 01:55 639224421455433103
10 ms 104.21.81.202
14 2026-08-16 01:40 639224412089740331
23 ms 172.67.164.7
13 2026-08-16 01:40 639224412089740331
23 ms 104.21.81.202
12 2026-08-16 01:25 639224403168392868
15 ms 104.21.81.202
11 2026-08-16 01:25 639224403168392868
15 ms 172.67.164.7
10 2026-08-16 01:09 639224393856251387
19 ms 104.21.81.202
9 2026-08-16 01:09 639224393856251387
19 ms 172.67.164.7
8 2026-08-16 00:54 639224384677141438
10 ms 172.67.164.7
7 2026-08-16 00:54 639224384677141438
10 ms 104.21.81.202
6 2026-08-16 00:39 639224375597986398
126 ms 172.67.164.7
5 2026-08-16 00:39 639224375597986398
126 ms 104.21.81.202
4 2026-08-16 00:24 639224366430296466
57 ms 172.67.164.7
3 2026-08-16 00:24 639224366430296466
57 ms 104.21.81.202
2 2026-08-16 00:08 639224357218176789
18 ms 104.21.81.202
1 2026-08-16 00:08 639224357218176789
18 ms 172.67.164.7