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 2026-08-18. For this date, NameServerHistory found 149 DNS check records, 148 successful responses, 1 failed responses, and 711 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

711 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:45

All timestamps shown in UTC

Latest Resolved IP on Selected Date

104.18.36.24

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 2026-08-18 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 2026-08-18 23:45 639226935204800669
104 ms 104.18.36.24
148 2026-08-18 23:45 639226935204800669
104 ms 172.64.151.232
147 2026-08-18 23:28 639226925298919497
73 ms 104.18.36.24
146 2026-08-18 23:28 639226925298919497
73 ms 172.64.151.232
145 2026-08-18 23:12 639226915487885053
2035 ms 104.18.36.24
144 2026-08-18 23:12 639226915487885053
2035 ms 172.64.151.232
143 2026-08-18 22:55 639226905465760034
2038 ms 104.18.36.24
142 2026-08-18 22:55 639226905465760034
2038 ms 172.64.151.232
141 2026-08-18 22:38 639226895378104692
116 ms 172.64.151.232
140 2026-08-18 22:38 639226895378104692
116 ms 104.18.36.24
139 2026-08-18 21:45 639226863374232622
2054 ms 172.64.151.232
138 2026-08-18 21:45 639226863374232622
2054 ms 104.18.36.24
137 2026-08-18 21:29 639226853698516058
14 ms 104.18.36.24
136 2026-08-18 21:29 639226853698516058
14 ms 172.64.151.232
135 2026-08-18 21:13 639226843797360601
121 ms 104.18.36.24
134 2026-08-18 21:13 639226843797360601
121 ms 172.64.151.232
133 2026-08-18 20:56 639226834046588155
30 ms 172.64.151.232
132 2026-08-18 20:56 639226834046588155
30 ms 104.18.36.24
131 2026-08-18 20:40 639226824234488533
4020 ms 172.64.151.232
130 2026-08-18 20:40 639226824234488533
4020 ms 104.18.36.24
129 2026-08-18 20:24 639226814549928621
98 ms 104.18.36.24
128 2026-08-18 20:24 639226814549928621
98 ms 172.64.151.232
127 2026-08-18 20:07 639226804721432353
2042 ms 172.64.151.232
126 2026-08-18 20:07 639226804721432353
2042 ms 104.18.36.24
125 2026-08-18 19:51 639226795048828184
36 ms 172.64.151.232
124 2026-08-18 19:51 639226795048828184
36 ms 104.18.36.24
123 2026-08-18 19:35 639226785202482420
2008 ms 104.18.36.24
122 2026-08-18 19:35 639226785202482420
2008 ms 172.64.151.232
121 2026-08-18 19:18 639226775309362607
22 ms 172.64.151.232
120 2026-08-18 19:18 639226775309362607
22 ms 104.18.36.24
119 2026-08-18 19:02 639226765406586155
-
118 2026-08-18 18:45 639226755437790519
70 ms 104.18.36.24
117 2026-08-18 18:45 639226755437790519
70 ms 172.64.151.232
116 2026-08-18 17:53 639226723856194457
2012 ms 172.64.151.232
115 2026-08-18 17:53 639226723856194457
2012 ms 104.18.36.24
114 2026-08-18 17:36 639226714050583422
2032 ms 172.64.151.232
113 2026-08-18 17:36 639226714050583422
2032 ms 104.18.36.24
112 2026-08-18 17:20 639226704236499724
90 ms 104.18.36.24
111 2026-08-18 17:20 639226704236499724
90 ms 172.64.151.232
110 2026-08-18 17:03 639226694184520163
75 ms 172.64.151.232
109 2026-08-18 17:03 639226694184520163
75 ms 104.18.36.24
108 2026-08-18 16:46 639226684161203477
75 ms 172.64.151.232
107 2026-08-18 16:46 639226684161203477
75 ms 104.18.36.24
106 2026-08-18 16:30 639226674305430109
17 ms 104.18.36.24
105 2026-08-18 16:30 639226674305430109
17 ms 172.64.151.232
104 2026-08-18 16:14 639226664489607984
24 ms 104.18.36.24
103 2026-08-18 16:14 639226664489607984
24 ms 172.64.151.232
102 2026-08-18 15:57 639226654533111667
89 ms 172.64.151.232
101 2026-08-18 15:57 639226654533111667
89 ms 104.18.36.24
100 2026-08-18 15:41 639226644778594725
71 ms 104.18.36.24
99 2026-08-18 15:41 639226644778594725
71 ms 172.64.151.232
98 2026-08-18 15:24 639226634901553621
20 ms 172.64.151.232
97 2026-08-18 15:24 639226634901553621
20 ms 104.18.36.24
96 2026-08-18 15:08 639226624921864967
2042 ms 104.18.36.24
95 2026-08-18 15:08 639226624921864967
2042 ms 172.64.151.232
94 2026-08-18 14:51 639226614939419403
76 ms 172.64.151.232
93 2026-08-18 14:51 639226614939419403
76 ms 104.18.36.24
92 2026-08-18 13:58 639226583021074771
4015 ms 104.18.36.24
91 2026-08-18 13:58 639226583021074771
4015 ms 172.64.151.232
90 2026-08-18 13:42 639226573279933585
139 ms 172.64.151.232
89 2026-08-18 13:42 639226573279933585
139 ms 104.18.36.24
88 2026-08-18 13:25 639226563494036301
70 ms 104.18.36.24
87 2026-08-18 13:25 639226563494036301
70 ms 172.64.151.232
86 2026-08-18 13:09 639226553708216256
15 ms 104.18.36.24
85 2026-08-18 13:09 639226553708216256
15 ms 172.64.151.232
84 2026-08-18 12:53 639226544003734815
2015 ms 172.64.151.232
83 2026-08-18 12:53 639226544003734815
2015 ms 104.18.36.24
82 2026-08-18 12:36 639226534105733155
176 ms 104.18.36.24
81 2026-08-18 12:36 639226534105733155
176 ms 172.64.151.232
80 2026-08-18 12:20 639226524298118898
126 ms 172.64.151.232
79 2026-08-18 12:20 639226524298118898
126 ms 104.18.36.24
78 2026-08-18 12:04 639226514525195335
108 ms 104.18.36.24
77 2026-08-18 12:04 639226514525195335
108 ms 172.64.151.232
76 2026-08-18 11:47 639226504703635320
2008 ms 104.18.36.24
75 2026-08-18 11:47 639226504703635320
2008 ms 172.64.151.232
74 2026-08-18 11:31 639226494737271720
101 ms 172.64.151.232
73 2026-08-18 11:31 639226494737271720
101 ms 104.18.36.24
72 2026-08-18 11:15 639226485005027236
107 ms 172.64.151.232
71 2026-08-18 11:15 639226485005027236
107 ms 104.18.36.24
70 2026-08-18 10:58 639226475133236105
83 ms 104.18.36.24
69 2026-08-18 10:58 639226475133236105
83 ms 172.64.151.232
68 2026-08-18 10:04 639226442975077052
53 ms 104.18.36.24
67 2026-08-18 10:04 639226442975077052
53 ms 172.64.151.232
66 2026-08-18 09:48 639226433317932039
59 ms 172.64.151.232
65 2026-08-18 09:48 639226433317932039
59 ms 104.18.36.24
64 2026-08-18 09:32 639226423688431096
2013 ms 172.64.151.232
63 2026-08-18 09:32 639226423688431096
2013 ms 104.18.36.24
62 2026-08-18 09:16 639226413998250045
2052 ms 172.64.151.232
61 2026-08-18 09:16 639226413998250045
2052 ms 104.18.36.24
60 2026-08-18 09:00 639226404284554875
22 ms 104.18.36.24
59 2026-08-18 09:00 639226404284554875
22 ms 172.64.151.232
58 2026-08-18 08:44 639226394637043309
179 ms 104.18.36.24
57 2026-08-18 08:44 639226394637043309
179 ms 172.64.151.232
56 2026-08-18 08:28 639226385052447582
26 ms 172.64.151.232
55 2026-08-18 08:28 639226385052447582
26 ms 104.18.36.24
54 2026-08-18 08:12 639226375506189603
2030 ms 172.64.151.232
53 2026-08-18 08:12 639226375506189603
2030 ms 104.18.36.24
52 2026-08-18 07:56 639226365690646426
65 ms 104.18.36.24
51 2026-08-18 07:56 639226365690646426
65 ms 172.64.151.232
50 2026-08-18 07:39 639226355771007701
85 ms 172.64.151.232
49 2026-08-18 07:39 639226355771007701
85 ms 104.18.36.24
48 2026-08-18 07:23 639226345946269369
2017 ms 172.64.151.232
47 2026-08-18 07:23 639226345946269369
2017 ms 104.18.36.24
46 2026-08-18 07:07 639226336241601848
57 ms 172.64.151.232
45 2026-08-18 07:07 639226336241601848
57 ms 104.18.36.24
44 2026-08-18 06:14 639226304950675290
2027 ms 104.18.36.24
43 2026-08-18 06:14 639226304950675290
2027 ms 172.64.151.232
42 2026-08-18 05:58 639226295324754616
2 ms 104.18.36.24
41 2026-08-18 05:58 639226295324754616
2 ms 172.64.151.232
40 2026-08-18 05:43 639226285824640601
2015 ms 104.18.36.24
39 2026-08-18 05:43 639226285824640601
2015 ms 172.64.151.232
38 2026-08-18 05:27 639226276321223917
2054 ms 172.64.151.232
37 2026-08-18 05:27 639226276321223917
2054 ms 104.18.36.24
36 2026-08-18 05:11 639226266800200046
74 ms 104.18.36.24
35 2026-08-18 05:11 639226266800200046
74 ms 172.64.151.232
34 2026-08-18 04:54 639226256958066164
2023 ms 104.18.36.24
33 2026-08-18 04:54 639226256958066164
2023 ms 172.64.151.232
32 2026-08-18 04:39 639226247432364597
104 ms 172.64.151.232
31 2026-08-18 04:39 639226247432364597
104 ms 104.18.36.24
30 2026-08-18 04:22 639226237703388552
3 ms 104.18.36.24
29 2026-08-18 04:22 639226237703388552
3 ms 172.64.151.232
28 2026-08-18 04:06 639226227937569589
119 ms 172.64.151.232
27 2026-08-18 04:06 639226227937569589
119 ms 104.18.36.24
26 2026-08-18 03:50 639226218052465471
151 ms 104.18.36.24
25 2026-08-18 03:50 639226218052465471
151 ms 172.64.151.232
24 2026-08-18 03:34 639226208429623997
2013 ms 172.64.151.232
23 2026-08-18 03:34 639226208429623997
2013 ms 104.18.36.24
22 2026-08-18 03:18 639226198800675295
139 ms 172.64.151.232
21 2026-08-18 03:18 639226198800675295
139 ms 104.18.36.24
20 2026-08-18 02:26 639226167722042574
128 ms 104.18.36.24
19 2026-08-18 02:26 639226167722042574
128 ms 172.64.151.232
18 2026-08-18 02:10 639226158277924383
58 ms 104.18.36.24
17 2026-08-18 02:10 639226158277924383
58 ms 172.64.151.232
16 2026-08-18 01:54 639226148757810592
31 ms 172.64.151.232
15 2026-08-18 01:54 639226148757810592
31 ms 104.18.36.24
14 2026-08-18 01:38 639226139348611045
82 ms 172.64.151.232
13 2026-08-18 01:38 639226139348611045
82 ms 104.18.36.24
12 2026-08-18 01:23 639226129823462907
224 ms 172.64.151.232
11 2026-08-18 01:23 639226129823462907
224 ms 104.18.36.24
10 2026-08-18 01:07 639226120218260005
2037 ms 172.64.151.232
9 2026-08-18 01:07 639226120218260005
2037 ms 104.18.36.24
8 2026-08-18 00:51 639226110875503904
76 ms 172.64.151.232
7 2026-08-18 00:51 639226110875503904
76 ms 104.18.36.24
6 2026-08-18 00:35 639226101376311912
55 ms 172.64.151.232
5 2026-08-18 00:35 639226101376311912
55 ms 104.18.36.24
4 2026-08-18 00:19 639226091924943492
40 ms 172.64.151.232
3 2026-08-18 00:19 639226091924943492
40 ms 104.18.36.24
2 2026-08-18 00:03 639226082133158124
53 ms 104.18.36.24
1 2026-08-18 00:03 639226082133158124
53 ms 172.64.151.232