DNS response history for ns1.optionalarm.com

ns1.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 2026-08-10. For this date, NameServerHistory found 164 DNS check records, 164 successful responses, 0 failed responses, and 261 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 ns1.optionalarm.com.
Records on Selected Date

164

Historical checks stored for this nameserver on selected date

Average Latency

261 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-10 23:52

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

164

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 ns1.optionalarm.com

Showing DNS history for 2026-08-10 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
164 2026-08-10 23:52 639220027366289509
8 ms 172.67.164.7
163 2026-08-10 23:52 639220027366289509
8 ms 104.21.81.202
162 2026-08-10 23:37 639220018272941900
7 ms 172.67.164.7
161 2026-08-10 23:37 639220018272941900
7 ms 104.21.81.202
160 2026-08-10 23:22 639220009109892969
2014 ms 172.67.164.7
159 2026-08-10 23:22 639220009109892969
2014 ms 104.21.81.202
158 2026-08-10 23:07 639220000040489788
11 ms 104.21.81.202
157 2026-08-10 23:07 639220000040489788
11 ms 172.67.164.7
156 2026-08-10 22:52 639219991197135747
19 ms 172.67.164.7
155 2026-08-10 22:52 639219991197135747
19 ms 104.21.81.202
154 2026-08-10 22:37 639219982104540014
88 ms 172.67.164.7
153 2026-08-10 22:37 639219982104540014
88 ms 104.21.81.202
152 2026-08-10 22:22 639219973150300215
12 ms 172.67.164.7
151 2026-08-10 22:22 639219973150300215
12 ms 104.21.81.202
150 2026-08-10 22:07 639219964188486697
99 ms 104.21.81.202
149 2026-08-10 22:07 639219964188486697
99 ms 172.67.164.7
148 2026-08-10 21:51 639219954995921784
36 ms 104.21.81.202
147 2026-08-10 21:51 639219954995921784
36 ms 172.67.164.7
146 2026-08-10 21:36 639219945559908104
17 ms 172.67.164.7
145 2026-08-10 21:36 639219945559908104
17 ms 104.21.81.202
144 2026-08-10 20:43 639219914137782273
28 ms 172.67.164.7
143 2026-08-10 20:43 639219914137782273
28 ms 104.21.81.202
142 2026-08-10 20:28 639219904858355064
12 ms 172.67.164.7
141 2026-08-10 20:28 639219904858355064
12 ms 104.21.81.202
140 2026-08-10 20:13 639219895655263396
20 ms 104.21.81.202
139 2026-08-10 20:13 639219895655263396
20 ms 172.67.164.7
138 2026-08-10 19:57 639219886527091074
48 ms 172.67.164.7
137 2026-08-10 19:57 639219886527091074
48 ms 104.21.81.202
136 2026-08-10 19:42 639219877343266628
14 ms 172.67.164.7
135 2026-08-10 19:42 639219877343266628
14 ms 104.21.81.202
134 2026-08-10 19:27 639219868177358195
12 ms 104.21.81.202
133 2026-08-10 19:27 639219868177358195
12 ms 172.67.164.7
132 2026-08-10 19:12 639219859159581515
58 ms 104.21.81.202
131 2026-08-10 19:12 639219859159581515
58 ms 172.67.164.7
130 2026-08-10 18:57 639219850124020182
2118 ms 172.67.164.7
129 2026-08-10 18:57 639219850124020182
2118 ms 104.21.81.202
128 2026-08-10 18:41 639219840940124840
53 ms 104.21.81.202
127 2026-08-10 18:41 639219840940124840
53 ms 172.67.164.7
126 2026-08-10 18:26 639219831829876486
25 ms 172.67.164.7
125 2026-08-10 18:26 639219831829876486
25 ms 104.21.81.202
124 2026-08-10 18:11 639219822587759143
62 ms 104.21.81.202
123 2026-08-10 18:11 639219822587759143
62 ms 172.67.164.7
122 2026-08-10 17:55 639219813247114428
16 ms 104.21.81.202
121 2026-08-10 17:55 639219813247114428
16 ms 172.67.164.7
120 2026-08-10 17:03 639219781959606396
11 ms 172.67.164.7
119 2026-08-10 17:03 639219781959606396
11 ms 104.21.81.202
118 2026-08-10 16:47 639219772658305431
21 ms 104.21.81.202
117 2026-08-10 16:47 639219772658305431
21 ms 172.67.164.7
116 2026-08-10 16:32 639219763454523027
16 ms 172.67.164.7
115 2026-08-10 16:32 639219763454523027
16 ms 104.21.81.202
114 2026-08-10 16:17 639219754279127815
26 ms 172.67.164.7
113 2026-08-10 16:17 639219754279127815
26 ms 104.21.81.202
112 2026-08-10 16:02 639219745087467767
31 ms 172.67.164.7
111 2026-08-10 16:02 639219745087467767
31 ms 104.21.81.202
110 2026-08-10 15:46 639219735900678107
124 ms 104.21.81.202
109 2026-08-10 15:46 639219735900678107
124 ms 172.67.164.7
108 2026-08-10 15:31 639219726531461979
54 ms 172.67.164.7
107 2026-08-10 15:31 639219726531461979
54 ms 104.21.81.202
106 2026-08-10 15:15 639219717415222156
33 ms 172.67.164.7
105 2026-08-10 15:15 639219717415222156
33 ms 104.21.81.202
104 2026-08-10 15:00 639219708266470863
39 ms 172.67.164.7
103 2026-08-10 15:00 639219708266470863
39 ms 104.21.81.202
102 2026-08-10 14:45 639219699049479559
2046 ms 172.67.164.7
101 2026-08-10 14:45 639219699049479559
2046 ms 104.21.81.202
100 2026-08-10 14:29 639219689775815194
2034 ms 104.21.81.202
99 2026-08-10 14:29 639219689775815194
2034 ms 172.67.164.7
98 2026-08-10 14:14 639219680511810632
117 ms 172.67.164.7
97 2026-08-10 14:14 639219680511810632
117 ms 104.21.81.202
96 2026-08-10 13:21 639219648997191257
15 ms 104.21.81.202
95 2026-08-10 13:21 639219648997191257
15 ms 172.67.164.7
94 2026-08-10 13:06 639219639938909436
29 ms 104.21.81.202
93 2026-08-10 13:06 639219639938909436
29 ms 172.67.164.7
92 2026-08-10 12:51 639219630718286441
51 ms 104.21.81.202
91 2026-08-10 12:51 639219630718286441
51 ms 172.67.164.7
90 2026-08-10 12:35 639219621472350410
19 ms 104.21.81.202
89 2026-08-10 12:35 639219621472350410
19 ms 172.67.164.7
88 2026-08-10 12:20 639219612500421992
132 ms 104.21.81.202
87 2026-08-10 12:20 639219612500421992
132 ms 172.67.164.7
86 2026-08-10 12:05 639219603383833445
32 ms 172.67.164.7
85 2026-08-10 12:05 639219603383833445
32 ms 104.21.81.202
84 2026-08-10 11:50 639219594143823358
13 ms 104.21.81.202
83 2026-08-10 11:50 639219594143823358
13 ms 172.67.164.7
82 2026-08-10 11:35 639219585053166024
2034 ms 172.67.164.7
81 2026-08-10 11:35 639219585053166024
2034 ms 104.21.81.202
80 2026-08-10 11:19 639219575885776644
24 ms 104.21.81.202
79 2026-08-10 11:19 639219575885776644
24 ms 172.67.164.7
78 2026-08-10 11:04 639219566844532361
30 ms 104.21.81.202
77 2026-08-10 11:04 639219566844532361
30 ms 172.67.164.7
76 2026-08-10 10:49 639219557705808294
33 ms 104.21.81.202
75 2026-08-10 10:49 639219557705808294
33 ms 172.67.164.7
74 2026-08-10 10:34 639219548482688649
2027 ms 172.67.164.7
73 2026-08-10 10:34 639219548482688649
2027 ms 104.21.81.202
72 2026-08-10 09:42 639219517492763539
7 ms 172.67.164.7
71 2026-08-10 09:42 639219517492763539
7 ms 104.21.81.202
70 2026-08-10 09:27 639219508755773605
73 ms 172.67.164.7
69 2026-08-10 09:27 639219508755773605
73 ms 104.21.81.202
68 2026-08-10 09:13 639219499852103863
58 ms 172.67.164.7
67 2026-08-10 09:13 639219499852103863
58 ms 104.21.81.202
66 2026-08-10 08:58 639219490893714387
17 ms 104.21.81.202
65 2026-08-10 08:58 639219490893714387
17 ms 172.67.164.7
64 2026-08-10 08:43 639219482299305521
19 ms 172.67.164.7
63 2026-08-10 08:43 639219482299305521
19 ms 104.21.81.202
62 2026-08-10 08:29 639219473613114853
2117 ms 104.21.81.202
61 2026-08-10 08:29 639219473613114853
2117 ms 172.67.164.7
60 2026-08-10 08:15 639219465061138643
38 ms 104.21.81.202
59 2026-08-10 08:15 639219465061138643
38 ms 172.67.164.7
58 2026-08-10 08:01 639219456616129015
15 ms 172.67.164.7
57 2026-08-10 08:01 639219456616129015
15 ms 104.21.81.202
56 2026-08-10 07:46 639219447974008557
41 ms 104.21.81.202
55 2026-08-10 07:46 639219447974008557
41 ms 172.67.164.7
54 2026-08-10 07:32 639219439498255213
2044 ms 104.21.81.202
53 2026-08-10 07:32 639219439498255213
2044 ms 172.67.164.7
52 2026-08-10 07:17 639219430664872256
33 ms 104.21.81.202
51 2026-08-10 07:17 639219430664872256
33 ms 172.67.164.7
50 2026-08-10 07:02 639219421757560037
32 ms 104.21.81.202
49 2026-08-10 07:02 639219421757560037
32 ms 172.67.164.7
48 2026-08-10 06:11 639219390773218684
29 ms 172.67.164.7
47 2026-08-10 06:11 639219390773218684
29 ms 104.21.81.202
46 2026-08-10 05:57 639219382205367722
35 ms 104.21.81.202
45 2026-08-10 05:57 639219382205367722
35 ms 172.67.164.7
44 2026-08-10 05:42 639219373711937615
61 ms 104.21.81.202
43 2026-08-10 05:42 639219373711937615
61 ms 172.67.164.7
42 2026-08-10 05:28 639219365088558404
58 ms 104.21.81.202
41 2026-08-10 05:28 639219365088558404
58 ms 172.67.164.7
40 2026-08-10 05:14 639219356348833255
112 ms 104.21.81.202
39 2026-08-10 05:14 639219356348833255
112 ms 172.67.164.7
38 2026-08-10 04:59 639219347860053478
30 ms 172.67.164.7
37 2026-08-10 04:59 639219347860053478
30 ms 104.21.81.202
36 2026-08-10 04:45 639219339173195121
19 ms 172.67.164.7
35 2026-08-10 04:45 639219339173195121
19 ms 104.21.81.202
34 2026-08-10 04:31 639219330642664669
34 ms 172.67.164.7
33 2026-08-10 04:31 639219330642664669
34 ms 104.21.81.202
32 2026-08-10 04:16 639219322058698995
60 ms 104.21.81.202
31 2026-08-10 04:16 639219322058698995
60 ms 172.67.164.7
30 2026-08-10 04:02 639219313564344199
44 ms 104.21.81.202
29 2026-08-10 04:02 639219313564344199
44 ms 172.67.164.7
28 2026-08-10 03:48 639219304775113236
28 ms 172.67.164.7
27 2026-08-10 03:48 639219304775113236
28 ms 104.21.81.202
26 2026-08-10 03:33 639219295706181119
122 ms 104.21.81.202
25 2026-08-10 03:33 639219295706181119
122 ms 172.67.164.7
24 2026-08-10 02:41 639219264663923254
56 ms 172.67.164.7
23 2026-08-10 02:41 639219264663923254
56 ms 104.21.81.202
22 2026-08-10 02:26 639219256015178099
71 ms 172.67.164.7
21 2026-08-10 02:26 639219256015178099
71 ms 104.21.81.202
20 2026-08-10 02:12 639219247509540188
17 ms 172.67.164.7
19 2026-08-10 02:12 639219247509540188
17 ms 104.21.81.202
18 2026-08-10 01:58 639219238999539092
2029 ms 172.67.164.7
17 2026-08-10 01:58 639219238999539092
2029 ms 104.21.81.202
16 2026-08-10 01:44 639219230498823902
16 ms 104.21.81.202
15 2026-08-10 01:44 639219230498823902
16 ms 172.67.164.7
14 2026-08-10 01:29 639219221706460911
73 ms 172.67.164.7
13 2026-08-10 01:29 639219221706460911
73 ms 104.21.81.202
12 2026-08-10 01:15 639219212930606887
15 ms 104.21.81.202
11 2026-08-10 01:15 639219212930606887
15 ms 172.67.164.7
10 2026-08-10 01:00 639219204307908525
26 ms 172.67.164.7
9 2026-08-10 01:00 639219204307908525
26 ms 104.21.81.202
8 2026-08-10 00:46 639219195720181470
57 ms 104.21.81.202
7 2026-08-10 00:46 639219195720181470
57 ms 172.67.164.7
6 2026-08-10 00:31 639219186898174002
56 ms 104.21.81.202
5 2026-08-10 00:31 639219186898174002
56 ms 172.67.164.7
4 2026-08-10 00:16 639219178004946976
85 ms 172.67.164.7
3 2026-08-10 00:16 639219178004946976
85 ms 104.21.81.202
2 2026-08-10 00:01 639219168958805474
32 ms 104.21.81.202
1 2026-08-10 00:01 639219168958805474
32 ms 172.67.164.7