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 2026-08-19. For this date, NameServerHistory found 150 DNS check records, 150 successful responses, 0 failed responses, and 118 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

118 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:55

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

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 2026-08-19 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 2026-08-19 23:55 639227805445376839
30 ms 172.67.164.7
149 2026-08-19 23:55 639227805445376839
30 ms 104.21.81.202
148 2026-08-19 23:39 639227795899225951
12 ms 104.21.81.202
147 2026-08-19 23:39 639227795899225951
12 ms 172.67.164.7
146 2026-08-19 23:23 639227786351762008
4 ms 104.21.81.202
145 2026-08-19 23:23 639227786351762008
4 ms 172.67.164.7
144 2026-08-19 23:07 639227776640591733
21 ms 172.67.164.7
143 2026-08-19 23:07 639227776640591733
21 ms 104.21.81.202
142 2026-08-19 22:51 639227767128841282
16 ms 104.21.81.202
141 2026-08-19 22:51 639227767128841282
16 ms 172.67.164.7
140 2026-08-19 22:35 639227757477304711
9 ms 172.67.164.7
139 2026-08-19 22:35 639227757477304711
9 ms 104.21.81.202
138 2026-08-19 22:19 639227747572098014
26 ms 104.21.81.202
137 2026-08-19 22:19 639227747572098014
26 ms 172.67.164.7
136 2026-08-19 22:02 639227737588613113
33 ms 104.21.81.202
135 2026-08-19 22:02 639227737588613113
33 ms 172.67.164.7
134 2026-08-19 21:10 639227706134603955
30 ms 104.21.81.202
133 2026-08-19 21:10 639227706134603955
30 ms 172.67.164.7
132 2026-08-19 20:54 639227696589027396
58 ms 172.67.164.7
131 2026-08-19 20:54 639227696589027396
58 ms 104.21.81.202
130 2026-08-19 20:38 639227687097707639
52 ms 104.21.81.202
129 2026-08-19 20:38 639227687097707639
52 ms 172.67.164.7
128 2026-08-19 20:22 639227677474464487
25 ms 104.21.81.202
127 2026-08-19 20:22 639227677474464487
25 ms 172.67.164.7
126 2026-08-19 20:06 639227667767441118
33 ms 172.67.164.7
125 2026-08-19 20:06 639227667767441118
33 ms 104.21.81.202
124 2026-08-19 19:50 639227657984833832
24 ms 104.21.81.202
123 2026-08-19 19:50 639227657984833832
24 ms 172.67.164.7
122 2026-08-19 19:33 639227648079992640
41 ms 104.21.81.202
121 2026-08-19 19:33 639227648079992640
41 ms 172.67.164.7
120 2026-08-19 19:16 639227638125048441
47 ms 172.67.164.7
119 2026-08-19 19:16 639227638125048441
47 ms 104.21.81.202
118 2026-08-19 19:00 639227628211392142
55 ms 172.67.164.7
117 2026-08-19 19:00 639227628211392142
55 ms 104.21.81.202
116 2026-08-19 18:43 639227618261696275
44 ms 172.67.164.7
115 2026-08-19 18:43 639227618261696275
44 ms 104.21.81.202
114 2026-08-19 18:27 639227608366233645
107 ms 172.67.164.7
113 2026-08-19 18:27 639227608366233645
107 ms 104.21.81.202
112 2026-08-19 18:10 639227598301787588
60 ms 104.21.81.202
111 2026-08-19 18:10 639227598301787588
60 ms 172.67.164.7
110 2026-08-19 17:17 639227566241010716
28 ms 172.67.164.7
109 2026-08-19 17:17 639227566241010716
28 ms 104.21.81.202
108 2026-08-19 17:00 639227556454538959
25 ms 172.67.164.7
107 2026-08-19 17:00 639227556454538959
25 ms 104.21.81.202
106 2026-08-19 16:44 639227546640305542
37 ms 172.67.164.7
105 2026-08-19 16:44 639227546640305542
37 ms 104.21.81.202
104 2026-08-19 16:28 639227536965466472
38 ms 172.67.164.7
103 2026-08-19 16:28 639227536965466472
38 ms 104.21.81.202
102 2026-08-19 16:11 639227527048658280
34 ms 172.67.164.7
101 2026-08-19 16:11 639227527048658280
34 ms 104.21.81.202
100 2026-08-19 15:55 639227517386634438
16 ms 104.21.81.202
99 2026-08-19 15:55 639227517386634438
16 ms 172.67.164.7
98 2026-08-19 15:39 639227507459551637
45 ms 172.67.164.7
97 2026-08-19 15:39 639227507459551637
45 ms 104.21.81.202
96 2026-08-19 15:22 639227497515595277
46 ms 104.21.81.202
95 2026-08-19 15:22 639227497515595277
46 ms 172.67.164.7
94 2026-08-19 15:05 639227487441798036
2066 ms 104.21.81.202
93 2026-08-19 15:05 639227487441798036
2066 ms 172.67.164.7
92 2026-08-19 14:49 639227477445551863
6 ms 104.21.81.202
91 2026-08-19 14:49 639227477445551863
6 ms 172.67.164.7
90 2026-08-19 14:32 639227467297067891
102 ms 172.67.164.7
89 2026-08-19 14:32 639227467297067891
102 ms 104.21.81.202
88 2026-08-19 14:15 639227457057795635
106 ms 172.67.164.7
87 2026-08-19 14:15 639227457057795635
106 ms 104.21.81.202
86 2026-08-19 13:22 639227425244777397
79 ms 104.21.81.202
85 2026-08-19 13:22 639227425244777397
79 ms 172.67.164.7
84 2026-08-19 13:05 639227415422116485
45 ms 172.67.164.7
83 2026-08-19 13:05 639227415422116485
45 ms 104.21.81.202
82 2026-08-19 12:48 639227405307256053
7 ms 172.67.164.7
81 2026-08-19 12:48 639227405307256053
7 ms 104.21.81.202
80 2026-08-19 12:32 639227395396602630
11 ms 104.21.81.202
79 2026-08-19 12:32 639227395396602630
11 ms 172.67.164.7
78 2026-08-19 12:15 639227385510363611
20 ms 172.67.164.7
77 2026-08-19 12:15 639227385510363611
20 ms 104.21.81.202
76 2026-08-19 11:59 639227375508324850
13 ms 104.21.81.202
75 2026-08-19 11:59 639227375508324850
13 ms 172.67.164.7
74 2026-08-19 11:42 639227365326611906
57 ms 172.67.164.7
73 2026-08-19 11:42 639227365326611906
57 ms 104.21.81.202
72 2026-08-19 11:25 639227355360014208
30 ms 104.21.81.202
71 2026-08-19 11:25 639227355360014208
30 ms 172.67.164.7
70 2026-08-19 11:08 639227345036782165
20 ms 172.67.164.7
69 2026-08-19 11:08 639227345036782165
20 ms 104.21.81.202
68 2026-08-19 10:51 639227334992964533
14 ms 172.67.164.7
67 2026-08-19 10:51 639227334992964533
14 ms 104.21.81.202
66 2026-08-19 10:35 639227324986605572
105 ms 104.21.81.202
65 2026-08-19 10:35 639227324986605572
105 ms 172.67.164.7
64 2026-08-19 10:18 639227314928414539
25 ms 172.67.164.7
63 2026-08-19 10:18 639227314928414539
25 ms 104.21.81.202
62 2026-08-19 09:25 639227283029182134
13 ms 172.67.164.7
61 2026-08-19 09:25 639227283029182134
13 ms 104.21.81.202
60 2026-08-19 09:08 639227273294779350
36 ms 172.67.164.7
59 2026-08-19 09:08 639227273294779350
36 ms 104.21.81.202
58 2026-08-19 08:52 639227263525231313
26 ms 104.21.81.202
57 2026-08-19 08:52 639227263525231313
26 ms 172.67.164.7
56 2026-08-19 08:36 639227253578313363
8 ms 172.67.164.7
55 2026-08-19 08:36 639227253578313363
8 ms 104.21.81.202
54 2026-08-19 08:19 639227243649973322
14 ms 172.67.164.7
53 2026-08-19 08:19 639227243649973322
14 ms 104.21.81.202
52 2026-08-19 08:02 639227233581059317
10 ms 104.21.81.202
51 2026-08-19 08:02 639227233581059317
10 ms 172.67.164.7
50 2026-08-19 07:46 639227223667352067
2055 ms 172.67.164.7
49 2026-08-19 07:46 639227223667352067
2055 ms 104.21.81.202
48 2026-08-19 07:29 639227213714837066
13 ms 172.67.164.7
47 2026-08-19 07:29 639227213714837066
13 ms 104.21.81.202
46 2026-08-19 07:12 639227203701208496
8 ms 172.67.164.7
45 2026-08-19 07:12 639227203701208496
8 ms 104.21.81.202
44 2026-08-19 06:56 639227193643202179
26 ms 104.21.81.202
43 2026-08-19 06:56 639227193643202179
26 ms 172.67.164.7
42 2026-08-19 06:39 639227183584431597
23 ms 104.21.81.202
41 2026-08-19 06:39 639227183584431597
23 ms 172.67.164.7
40 2026-08-19 06:22 639227173347403088
188 ms 104.21.81.202
39 2026-08-19 06:22 639227173347403088
188 ms 172.67.164.7
38 2026-08-19 05:29 639227141523007601
9 ms 104.21.81.202
37 2026-08-19 05:29 639227141523007601
9 ms 172.67.164.7
36 2026-08-19 05:13 639227131785931574
12 ms 104.21.81.202
35 2026-08-19 05:13 639227131785931574
12 ms 172.67.164.7
34 2026-08-19 04:57 639227122176475389
9 ms 172.67.164.7
33 2026-08-19 04:57 639227122176475389
9 ms 104.21.81.202
32 2026-08-19 04:41 639227112668934596
8 ms 172.67.164.7
31 2026-08-19 04:41 639227112668934596
8 ms 104.21.81.202
30 2026-08-19 04:24 639227102773292788
17 ms 104.21.81.202
29 2026-08-19 04:24 639227102773292788
17 ms 172.67.164.7
28 2026-08-19 04:08 639227093141136930
50 ms 104.21.81.202
27 2026-08-19 04:08 639227093141136930
50 ms 172.67.164.7
26 2026-08-19 03:52 639227083449420147
55 ms 172.67.164.7
25 2026-08-19 03:52 639227083449420147
55 ms 104.21.81.202
24 2026-08-19 03:36 639227073771748493
15 ms 104.21.81.202
23 2026-08-19 03:36 639227073771748493
15 ms 172.67.164.7
22 2026-08-19 03:20 639227063977347614
57 ms 104.21.81.202
21 2026-08-19 03:20 639227063977347614
57 ms 172.67.164.7
20 2026-08-19 03:03 639227054253519024
2025 ms 104.21.81.202
19 2026-08-19 03:03 639227054253519024
2025 ms 172.67.164.7
18 2026-08-19 02:47 639227044381963886
127 ms 104.21.81.202
17 2026-08-19 02:47 639227044381963886
127 ms 172.67.164.7
16 2026-08-19 02:30 639227034441085514
36 ms 172.67.164.7
15 2026-08-19 02:30 639227034441085514
36 ms 104.21.81.202
14 2026-08-19 01:38 639227003126489968
132 ms 172.67.164.7
13 2026-08-19 01:38 639227003126489968
132 ms 104.21.81.202
12 2026-08-19 01:22 639226993456311614
87 ms 172.67.164.7
11 2026-08-19 01:22 639226993456311614
87 ms 104.21.81.202
10 2026-08-19 01:06 639226983847312345
49 ms 104.21.81.202
9 2026-08-19 01:06 639226983847312345
49 ms 172.67.164.7
8 2026-08-19 00:50 639226974357874853
5 ms 104.21.81.202
7 2026-08-19 00:50 639226974357874853
5 ms 172.67.164.7
6 2026-08-19 00:34 639226964670484721
15 ms 172.67.164.7
5 2026-08-19 00:34 639226964670484721
15 ms 104.21.81.202
4 2026-08-19 00:18 639226954857899696
13 ms 104.21.81.202
3 2026-08-19 00:18 639226954857899696
13 ms 172.67.164.7
2 2026-08-19 00:01 639226945091603488
10 ms 172.67.164.7
1 2026-08-19 00:01 639226945091603488
10 ms 104.21.81.202