DNS response history for ns18.servercorp.com

ns18.servercorp.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 2026-08-25. For this date, NameServerHistory found 137 DNS check records, 136 successful responses, 1 failed responses, and 352 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 ns18.servercorp.com.
Records on Selected Date

137

Historical checks stored for this nameserver on selected date

Average Latency

352 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 23:49

All timestamps shown in UTC

Latest Resolved IP on Selected Date

104.21.11.19

Most recently resolved hosting IP on selected date

Successful Responses

136

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 ns18.servercorp.com

Showing DNS history for 2026-08-25 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
137 2026-08-25 23:49 639232985300872416
2023 ms 104.21.11.19
136 2026-08-25 23:49 639232985300872416
2023 ms 172.67.147.158
135 2026-08-25 23:31 639232974980190573
46 ms 172.67.147.158
134 2026-08-25 23:31 639232974980190573
46 ms 104.21.11.19
133 2026-08-25 23:14 639232964577050707
2026 ms 172.67.147.158
132 2026-08-25 23:14 639232964577050707
2026 ms 104.21.11.19
131 2026-08-25 22:20 639232932163142799
7 ms 172.67.147.158
130 2026-08-25 22:20 639232932163142799
7 ms 104.21.11.19
129 2026-08-25 22:03 639232921673215474
10 ms 172.67.147.158
128 2026-08-25 22:03 639232921673215474
10 ms 104.21.11.19
127 2026-08-25 21:45 639232911234504639
2027 ms 104.21.11.19
126 2026-08-25 21:45 639232911234504639
2027 ms 172.67.147.158
125 2026-08-25 21:28 639232900747078453
18 ms 104.21.11.19
124 2026-08-25 21:28 639232900747078453
18 ms 172.67.147.158
123 2026-08-25 21:10 639232890389222534
20 ms 172.67.147.158
122 2026-08-25 21:10 639232890389222534
20 ms 104.21.11.19
121 2026-08-25 20:53 639232880143390843
23 ms 172.67.147.158
120 2026-08-25 20:53 639232880143390843
23 ms 104.21.11.19
119 2026-08-25 20:36 639232869755024069
6 ms 104.21.11.19
118 2026-08-25 20:36 639232869755024069
6 ms 172.67.147.158
117 2026-08-25 20:19 639232859355940346
6 ms 104.21.11.19
116 2026-08-25 20:19 639232859355940346
6 ms 172.67.147.158
115 2026-08-25 20:01 639232848992244953
43 ms 172.67.147.158
114 2026-08-25 20:01 639232848992244953
43 ms 104.21.11.19
113 2026-08-25 19:44 639232838596478500
2019 ms 104.21.11.19
112 2026-08-25 19:44 639232838596478500
2019 ms 172.67.147.158
111 2026-08-25 19:27 639232828175327683
-
110 2026-08-25 19:09 639232817798330473
23 ms 172.67.147.158
109 2026-08-25 19:09 639232817798330473
23 ms 104.21.11.19
108 2026-08-25 18:16 639232785462407552
6 ms 104.21.11.19
107 2026-08-25 18:16 639232785462407552
6 ms 172.67.147.158
106 2026-08-25 17:58 639232775177487032
13 ms 104.21.11.19
105 2026-08-25 17:58 639232775177487032
13 ms 172.67.147.158
104 2026-08-25 17:41 639232764991087115
38 ms 104.21.11.19
103 2026-08-25 17:41 639232764991087115
38 ms 172.67.147.158
102 2026-08-25 17:25 639232754842971478
29 ms 104.21.11.19
101 2026-08-25 17:25 639232754842971478
29 ms 172.67.147.158
100 2026-08-25 17:07 639232744455159107
2059 ms 172.67.147.158
99 2026-08-25 17:07 639232744455159107
2059 ms 104.21.11.19
98 2026-08-25 16:50 639232734145178231
9 ms 172.67.147.158
97 2026-08-25 16:50 639232734145178231
9 ms 104.21.11.19
96 2026-08-25 16:33 639232723827874402
52 ms 104.21.11.19
95 2026-08-25 16:33 639232723827874402
52 ms 172.67.147.158
94 2026-08-25 16:16 639232713533011892
46 ms 172.67.147.158
93 2026-08-25 16:16 639232713533011892
46 ms 104.21.11.19
92 2026-08-25 15:58 639232703065318207
2065 ms 172.67.147.158
91 2026-08-25 15:58 639232703065318207
2065 ms 104.21.11.19
90 2026-08-25 15:41 639232692629559470
7 ms 172.67.147.158
89 2026-08-25 15:41 639232692629559470
7 ms 104.21.11.19
88 2026-08-25 15:24 639232682238836475
56 ms 104.21.11.19
87 2026-08-25 15:24 639232682238836475
56 ms 172.67.147.158
86 2026-08-25 15:06 639232671787004306
38 ms 172.67.147.158
85 2026-08-25 15:06 639232671787004306
38 ms 104.21.11.19
84 2026-08-25 14:11 639232638994329666
5 ms 172.67.147.158
83 2026-08-25 14:11 639232638994329666
5 ms 104.21.11.19
82 2026-08-25 13:54 639232628614783237
12 ms 104.21.11.19
81 2026-08-25 13:54 639232628614783237
12 ms 172.67.147.158
80 2026-08-25 13:37 639232618360728578
39 ms 104.21.11.19
79 2026-08-25 13:37 639232618360728578
39 ms 172.67.147.158
78 2026-08-25 13:20 639232608016476376
41 ms 104.21.11.19
77 2026-08-25 13:20 639232608016476376
41 ms 172.67.147.158
76 2026-08-25 13:03 639232597643611557
42 ms 172.67.147.158
75 2026-08-25 13:03 639232597643611557
42 ms 104.21.11.19
74 2026-08-25 12:45 639232587225721862
10 ms 104.21.11.19
73 2026-08-25 12:45 639232587225721862
10 ms 172.67.147.158
72 2026-08-25 12:28 639232576780683689
13 ms 172.67.147.158
71 2026-08-25 12:28 639232576780683689
13 ms 104.21.11.19
70 2026-08-25 12:10 639232566381512620
22 ms 172.67.147.158
69 2026-08-25 12:10 639232566381512620
22 ms 104.21.11.19
68 2026-08-25 11:53 639232556111768563
58 ms 104.21.11.19
67 2026-08-25 11:53 639232556111768563
58 ms 172.67.147.158
66 2026-08-25 11:36 639232545839529039
83 ms 172.67.147.158
65 2026-08-25 11:36 639232545839529039
83 ms 104.21.11.19
64 2026-08-25 11:19 639232535349285207
16 ms 104.21.11.19
63 2026-08-25 11:19 639232535349285207
16 ms 172.67.147.158
62 2026-08-25 11:01 639232524938080723
36 ms 104.21.11.19
61 2026-08-25 11:01 639232524938080723
36 ms 172.67.147.158
60 2026-08-25 10:08 639232492740373468
37 ms 104.21.11.19
59 2026-08-25 10:08 639232492740373468
37 ms 172.67.147.158
58 2026-08-25 09:50 639232482235303141
15 ms 172.67.147.158
57 2026-08-25 09:50 639232482235303141
15 ms 104.21.11.19
56 2026-08-25 09:33 639232471861770303
37 ms 172.67.147.158
55 2026-08-25 09:33 639232471861770303
37 ms 104.21.11.19
54 2026-08-25 09:16 639232461630217327
44 ms 172.67.147.158
53 2026-08-25 09:16 639232461630217327
44 ms 104.21.11.19
52 2026-08-25 08:59 639232451282965990
12 ms 172.67.147.158
51 2026-08-25 08:59 639232451282965990
12 ms 104.21.11.19
50 2026-08-25 08:41 639232440814614938
67 ms 172.67.147.158
49 2026-08-25 08:41 639232440814614938
67 ms 104.21.11.19
48 2026-08-25 08:24 639232430410720425
41 ms 104.21.11.19
47 2026-08-25 08:24 639232430410720425
41 ms 172.67.147.158
46 2026-08-25 08:06 639232420003096185
42 ms 104.21.11.19
45 2026-08-25 08:06 639232420003096185
42 ms 172.67.147.158
44 2026-08-25 07:49 639232409467287444
17 ms 172.67.147.158
43 2026-08-25 07:49 639232409467287444
17 ms 104.21.11.19
42 2026-08-25 07:32 639232399077195997
5 ms 104.21.11.19
41 2026-08-25 07:32 639232399077195997
5 ms 172.67.147.158
40 2026-08-25 07:14 639232388731528337
4043 ms 172.67.147.158
39 2026-08-25 07:14 639232388731528337
4043 ms 104.21.11.19
38 2026-08-25 06:57 639232378288598612
36 ms 104.21.11.19
37 2026-08-25 06:57 639232378288598612
36 ms 172.67.147.158
36 2026-08-25 06:04 639232346196373643
2039 ms 104.21.11.19
35 2026-08-25 06:04 639232346196373643
2039 ms 172.67.147.158
34 2026-08-25 05:47 639232336112370741
40 ms 172.67.147.158
33 2026-08-25 05:47 639232336112370741
40 ms 104.21.11.19
32 2026-08-25 05:30 639232326146508970
38 ms 172.67.147.158
31 2026-08-25 05:30 639232326146508970
38 ms 104.21.11.19
30 2026-08-25 05:13 639232316189381720
22 ms 104.21.11.19
29 2026-08-25 05:13 639232316189381720
22 ms 172.67.147.158
28 2026-08-25 04:57 639232306217998913
40 ms 104.21.11.19
27 2026-08-25 04:57 639232306217998913
40 ms 172.67.147.158
26 2026-08-25 04:40 639232296255744174
2024 ms 172.67.147.158
25 2026-08-25 04:40 639232296255744174
2024 ms 104.21.11.19
24 2026-08-25 04:23 639232286095760789
43 ms 172.67.147.158
23 2026-08-25 04:23 639232286095760789
43 ms 104.21.11.19
22 2026-08-25 04:07 639232276086186273
2052 ms 104.21.11.19
21 2026-08-25 04:07 639232276086186273
2052 ms 172.67.147.158
20 2026-08-25 03:50 639232265900986425
7 ms 172.67.147.158
19 2026-08-25 03:50 639232265900986425
7 ms 104.21.11.19
18 2026-08-25 03:33 639232255723518075
4 ms 104.21.11.19
17 2026-08-25 03:33 639232255723518075
4 ms 172.67.147.158
16 2026-08-25 03:16 639232245484452890
50 ms 172.67.147.158
15 2026-08-25 03:16 639232245484452890
50 ms 104.21.11.19
14 2026-08-25 02:58 639232235157175331
11 ms 104.21.11.19
13 2026-08-25 02:58 639232235157175331
11 ms 172.67.147.158
12 2026-08-25 02:05 639232203197189095
30 ms 172.67.147.158
11 2026-08-25 02:05 639232203197189095
30 ms 104.21.11.19
10 2026-08-25 01:48 639232192844564298
9 ms 172.67.147.158
9 2026-08-25 01:48 639232192844564298
9 ms 104.21.11.19
8 2026-08-25 01:31 639232182496008942
12 ms 104.21.11.19
7 2026-08-25 01:31 639232182496008942
12 ms 172.67.147.158
6 2026-08-25 01:13 639232172197053132
13 ms 104.21.11.19
5 2026-08-25 01:13 639232172197053132
13 ms 172.67.147.158
4 2026-08-25 00:20 639232140250307418
21 ms 104.21.11.19
3 2026-08-25 00:20 639232140250307418
21 ms 172.67.147.158
2 2026-08-25 00:03 639232129927860324
6 ms 104.21.11.19
1 2026-08-25 00:03 639232129927860324
6 ms 172.67.147.158