DNS response history for target.substack-custom-domains.com

target.substack-custom-domains.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 2026-08-23. For this date, NameServerHistory found 149 DNS check records, 148 successful responses, 1 failed responses, and 572 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 target.substack-custom-domains.com.
Records on Selected Date

149

Historical checks stored for this nameserver on selected date

Average Latency

572 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:44

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.64.151.232

Most recently resolved hosting IP on selected date

Successful Responses

148

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for target.substack-custom-domains.com

Showing DNS history for 2026-08-23 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
149 2026-08-23 23:44 639231254406598736
43 ms 172.64.151.232
148 2026-08-23 23:44 639231254406598736
43 ms 104.18.36.24
147 2026-08-23 23:27 639231244697865594
16 ms 104.18.36.24
146 2026-08-23 23:27 639231244697865594
16 ms 172.64.151.232
145 2026-08-23 23:11 639231234893504693
2061 ms 104.18.36.24
144 2026-08-23 23:11 639231234893504693
2061 ms 172.64.151.232
143 2026-08-23 22:55 639231225024549139
136 ms 104.18.36.24
142 2026-08-23 22:55 639231225024549139
136 ms 172.64.151.232
141 2026-08-23 22:38 639231214931957622
57 ms 104.18.36.24
140 2026-08-23 22:38 639231214931957622
57 ms 172.64.151.232
139 2026-08-23 22:21 639231204962010549
71 ms 172.64.151.232
138 2026-08-23 22:21 639231204962010549
71 ms 104.18.36.24
137 2026-08-23 22:05 639231195170138463
4032 ms 172.64.151.232
136 2026-08-23 22:05 639231195170138463
4032 ms 104.18.36.24
135 2026-08-23 21:48 639231185235020577
24 ms 104.18.36.24
134 2026-08-23 21:48 639231185235020577
24 ms 172.64.151.232
133 2026-08-23 21:32 639231175558690075
53 ms 104.18.36.24
132 2026-08-23 21:32 639231175558690075
53 ms 172.64.151.232
131 2026-08-23 21:16 639231165610444012
101 ms 172.64.151.232
130 2026-08-23 21:16 639231165610444012
101 ms 104.18.36.24
129 2026-08-23 20:23 639231133806425363
97 ms 172.64.151.232
128 2026-08-23 20:23 639231133806425363
97 ms 104.18.36.24
127 2026-08-23 20:07 639231124203758023
15 ms 104.18.36.24
126 2026-08-23 20:07 639231124203758023
15 ms 172.64.151.232
125 2026-08-23 19:50 639231114428262706
2050 ms 172.64.151.232
124 2026-08-23 19:50 639231114428262706
2050 ms 104.18.36.24
123 2026-08-23 19:34 639231104662480065
4 ms 104.18.36.24
122 2026-08-23 19:34 639231104662480065
4 ms 172.64.151.232
121 2026-08-23 19:18 639231094840372018
2016 ms 172.64.151.232
120 2026-08-23 19:18 639231094840372018
2016 ms 104.18.36.24
119 2026-08-23 19:01 639231085024583224
2037 ms 104.18.36.24
118 2026-08-23 19:01 639231085024583224
2037 ms 172.64.151.232
117 2026-08-23 18:45 639231075257417427
119 ms 104.18.36.24
116 2026-08-23 18:45 639231075257417427
119 ms 172.64.151.232
115 2026-08-23 18:29 639231065516009503
67 ms 172.64.151.232
114 2026-08-23 18:29 639231065516009503
67 ms 104.18.36.24
113 2026-08-23 18:13 639231055805348837
30 ms 172.64.151.232
112 2026-08-23 18:13 639231055805348837
30 ms 104.18.36.24
111 2026-08-23 17:56 639231045980373765
15 ms 104.18.36.24
110 2026-08-23 17:56 639231045980373765
15 ms 172.64.151.232
109 2026-08-23 17:39 639231035984577527
53 ms 172.64.151.232
108 2026-08-23 17:39 639231035984577527
53 ms 104.18.36.24
107 2026-08-23 17:23 639231025928115303
118 ms 172.64.151.232
106 2026-08-23 17:23 639231025928115303
118 ms 104.18.36.24
105 2026-08-23 16:30 639230994250157583
171 ms 172.64.151.232
104 2026-08-23 16:30 639230994250157583
171 ms 104.18.36.24
103 2026-08-23 16:14 639230984476411369
2023 ms 172.64.151.232
102 2026-08-23 16:14 639230984476411369
2023 ms 104.18.36.24
101 2026-08-23 15:58 639230974838373450
147 ms 172.64.151.232
100 2026-08-23 15:58 639230974838373450
147 ms 104.18.36.24
99 2026-08-23 15:42 639230965244277645
58 ms 104.18.36.24
98 2026-08-23 15:42 639230965244277645
58 ms 172.64.151.232
97 2026-08-23 15:25 639230955522101820
36 ms 172.64.151.232
96 2026-08-23 15:25 639230955522101820
36 ms 104.18.36.24
95 2026-08-23 15:09 639230945754521603
2027 ms 104.18.36.24
94 2026-08-23 15:09 639230945754521603
2027 ms 172.64.151.232
93 2026-08-23 14:53 639230935852040504
2058 ms 104.18.36.24
92 2026-08-23 14:53 639230935852040504
2058 ms 172.64.151.232
91 2026-08-23 14:37 639230926222061048
98 ms 104.18.36.24
90 2026-08-23 14:37 639230926222061048
98 ms 172.64.151.232
89 2026-08-23 14:20 639230916449726907
44 ms 172.64.151.232
88 2026-08-23 14:20 639230916449726907
44 ms 104.18.36.24
87 2026-08-23 14:04 639230906595053086
10 ms 104.18.36.24
86 2026-08-23 14:04 639230906595053086
10 ms 172.64.151.232
85 2026-08-23 13:47 639230896680429441
191 ms 172.64.151.232
84 2026-08-23 13:47 639230896680429441
191 ms 104.18.36.24
83 2026-08-23 13:31 639230886630210965
136 ms 104.18.36.24
82 2026-08-23 13:31 639230886630210965
136 ms 172.64.151.232
81 2026-08-23 12:39 639230855430405719
69 ms 172.64.151.232
80 2026-08-23 12:39 639230855430405719
69 ms 104.18.36.24
79 2026-08-23 12:22 639230845707499136
71 ms 104.18.36.24
78 2026-08-23 12:22 639230845707499136
71 ms 172.64.151.232
77 2026-08-23 12:06 639230836186805419
97 ms 104.18.36.24
76 2026-08-23 12:06 639230836186805419
97 ms 172.64.151.232
75 2026-08-23 11:50 639230826493828316
52 ms 104.18.36.24
74 2026-08-23 11:50 639230826493828316
52 ms 172.64.151.232
73 2026-08-23 11:34 639230816817882996
-
72 2026-08-23 11:18 639230806933854189
4 ms 104.18.36.24
71 2026-08-23 11:18 639230806933854189
4 ms 172.64.151.232
70 2026-08-23 11:01 639230797120243854
2028 ms 104.18.36.24
69 2026-08-23 11:01 639230797120243854
2028 ms 172.64.151.232
68 2026-08-23 10:45 639230787310272840
2032 ms 104.18.36.24
67 2026-08-23 10:45 639230787310272840
2032 ms 172.64.151.232
66 2026-08-23 10:29 639230777600173142
30 ms 172.64.151.232
65 2026-08-23 10:29 639230777600173142
30 ms 104.18.36.24
64 2026-08-23 10:12 639230767665024593
74 ms 104.18.36.24
63 2026-08-23 10:12 639230767665024593
74 ms 172.64.151.232
62 2026-08-23 09:56 639230757720962293
48 ms 104.18.36.24
61 2026-08-23 09:56 639230757720962293
48 ms 172.64.151.232
60 2026-08-23 09:39 639230747722189784
2036 ms 104.18.36.24
59 2026-08-23 09:39 639230747722189784
2036 ms 172.64.151.232
58 2026-08-23 08:47 639230716313923480
46 ms 172.64.151.232
57 2026-08-23 08:47 639230716313923480
46 ms 104.18.36.24
56 2026-08-23 08:31 639230706813835990
2009 ms 104.18.36.24
55 2026-08-23 08:31 639230706813835990
2009 ms 172.64.151.232
54 2026-08-23 08:14 639230696871062203
71 ms 172.64.151.232
53 2026-08-23 08:14 639230696871062203
71 ms 104.18.36.24
52 2026-08-23 07:58 639230687142781616
3 ms 104.18.36.24
51 2026-08-23 07:58 639230687142781616
3 ms 172.64.151.232
50 2026-08-23 07:42 639230677432142227
69 ms 172.64.151.232
49 2026-08-23 07:42 639230677432142227
69 ms 104.18.36.24
48 2026-08-23 07:26 639230667686258061
4014 ms 104.18.36.24
47 2026-08-23 07:26 639230667686258061
4014 ms 172.64.151.232
46 2026-08-23 07:10 639230658039243685
166 ms 172.64.151.232
45 2026-08-23 07:10 639230658039243685
166 ms 104.18.36.24
44 2026-08-23 06:54 639230648468473803
16 ms 172.64.151.232
43 2026-08-23 06:54 639230648468473803
16 ms 104.18.36.24
42 2026-08-23 06:38 639230638829658294
2014 ms 104.18.36.24
41 2026-08-23 06:38 639230638829658294
2014 ms 172.64.151.232
40 2026-08-23 06:22 639230629247017617
71 ms 104.18.36.24
39 2026-08-23 06:22 639230629247017617
71 ms 172.64.151.232
38 2026-08-23 06:06 639230619625318239
93 ms 172.64.151.232
37 2026-08-23 06:06 639230619625318239
93 ms 104.18.36.24
36 2026-08-23 05:49 639230609697630264
123 ms 172.64.151.232
35 2026-08-23 05:49 639230609697630264
123 ms 104.18.36.24
34 2026-08-23 04:57 639230578570131864
99 ms 104.18.36.24
33 2026-08-23 04:57 639230578570131864
99 ms 172.64.151.232
32 2026-08-23 04:41 639230568958963168
31 ms 104.18.36.24
31 2026-08-23 04:41 639230568958963168
31 ms 172.64.151.232
30 2026-08-23 04:25 639230559287611211
89 ms 104.18.36.24
29 2026-08-23 04:25 639230559287611211
89 ms 172.64.151.232
28 2026-08-23 04:09 639230549524312030
22 ms 172.64.151.232
27 2026-08-23 04:09 639230549524312030
22 ms 104.18.36.24
26 2026-08-23 03:52 639230539739801669
58 ms 172.64.151.232
25 2026-08-23 03:52 639230539739801669
58 ms 104.18.36.24
24 2026-08-23 03:36 639230530084069375
66 ms 172.64.151.232
23 2026-08-23 03:36 639230530084069375
66 ms 104.18.36.24
22 2026-08-23 03:20 639230520362691441
72 ms 172.64.151.232
21 2026-08-23 03:20 639230520362691441
72 ms 104.18.36.24
20 2026-08-23 03:04 639230510677194518
37 ms 172.64.151.232
19 2026-08-23 03:04 639230510677194518
37 ms 104.18.36.24
18 2026-08-23 02:48 639230501156002646
58 ms 104.18.36.24
17 2026-08-23 02:48 639230501156002646
58 ms 172.64.151.232
16 2026-08-23 02:32 639230491502198541
91 ms 172.64.151.232
15 2026-08-23 02:32 639230491502198541
91 ms 104.18.36.24
14 2026-08-23 02:16 639230481860318494
2014 ms 172.64.151.232
13 2026-08-23 02:16 639230481860318494
2014 ms 104.18.36.24
12 2026-08-23 01:59 639230471893008575
92 ms 172.64.151.232
11 2026-08-23 01:59 639230471893008575
92 ms 104.18.36.24
10 2026-08-23 01:06 639230440030877421
3 ms 104.18.36.24
9 2026-08-23 01:06 639230440030877421
3 ms 172.64.151.232
8 2026-08-23 00:50 639230430479725508
2020 ms 172.64.151.232
7 2026-08-23 00:50 639230430479725508
2020 ms 104.18.36.24
6 2026-08-23 00:34 639230420875160219
61 ms 172.64.151.232
5 2026-08-23 00:34 639230420875160219
61 ms 104.18.36.24
4 2026-08-23 00:18 639230411240692575
30 ms 104.18.36.24
3 2026-08-23 00:18 639230411240692575
30 ms 172.64.151.232
2 2026-08-23 00:02 639230401550806607
2013 ms 104.18.36.24
1 2026-08-23 00:02 639230401550806607
2013 ms 172.64.151.232