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 2026-08-16. For this date, NameServerHistory found 119 DNS check records, 118 successful responses, 1 failed responses, and 208 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

119

Historical checks stored for this nameserver on selected date

Average Latency

208 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-16 23:46

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

118

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 2026-08-16 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
119 2026-08-16 23:46 639225207490611656
28 ms 104.21.11.19
118 2026-08-16 23:46 639225207490611656
28 ms 172.67.147.158
117 2026-08-16 23:30 639225198045815385
31 ms 172.67.147.158
116 2026-08-16 23:30 639225198045815385
31 ms 104.21.11.19
115 2026-08-16 22:38 639225166825544741
13 ms 104.21.11.19
114 2026-08-16 22:38 639225166825544741
13 ms 172.67.147.158
113 2026-08-16 22:22 639225157549461269
53 ms 104.21.11.19
112 2026-08-16 22:22 639225157549461269
53 ms 172.67.147.158
111 2026-08-16 22:06 639225147914556308
2066 ms 104.21.11.19
110 2026-08-16 22:06 639225147914556308
2066 ms 172.67.147.158
109 2026-08-16 21:51 639225138472322960
17 ms 104.21.11.19
108 2026-08-16 21:51 639225138472322960
17 ms 172.67.147.158
107 2026-08-16 20:59 639225107211236826
13 ms 172.67.147.158
106 2026-08-16 20:59 639225107211236826
13 ms 104.21.11.19
105 2026-08-16 20:43 639225097684457510
42 ms 172.67.147.158
104 2026-08-16 20:43 639225097684457510
42 ms 104.21.11.19
103 2026-08-16 20:26 639225087942913396
2022 ms 104.21.11.19
102 2026-08-16 20:26 639225087942913396
2022 ms 172.67.147.158
101 2026-08-16 20:10 639225078238684183
12 ms 172.67.147.158
100 2026-08-16 20:10 639225078238684183
12 ms 104.21.11.19
99 2026-08-16 19:18 639225046944151094
49 ms 172.67.147.158
98 2026-08-16 19:18 639225046944151094
49 ms 104.21.11.19
97 2026-08-16 19:02 639225037234857231
40 ms 172.67.147.158
96 2026-08-16 19:02 639225037234857231
40 ms 104.21.11.19
95 2026-08-16 18:46 639225027423459920
86 ms 104.21.11.19
94 2026-08-16 18:46 639225027423459920
86 ms 172.67.147.158
93 2026-08-16 18:30 639225017891613027
9 ms 104.21.11.19
92 2026-08-16 18:30 639225017891613027
9 ms 172.67.147.158
91 2026-08-16 17:37 639224986298183527
48 ms 172.67.147.158
90 2026-08-16 17:37 639224986298183527
48 ms 104.21.11.19
89 2026-08-16 17:21 639224976567107023
7 ms 172.67.147.158
88 2026-08-16 17:21 639224976567107023
7 ms 104.21.11.19
87 2026-08-16 17:04 639224966709723386
37 ms 104.21.11.19
86 2026-08-16 17:04 639224966709723386
37 ms 172.67.147.158
85 2026-08-16 16:48 639224957175756942
17 ms 172.67.147.158
84 2026-08-16 16:48 639224957175756942
17 ms 104.21.11.19
83 2026-08-16 15:56 639224925782379869
22 ms 104.21.11.19
82 2026-08-16 15:56 639224925782379869
22 ms 172.67.147.158
81 2026-08-16 15:41 639224916429532459
2068 ms 104.21.11.19
80 2026-08-16 15:41 639224916429532459
2068 ms 172.67.147.158
79 2026-08-16 15:25 639224906878325623
10 ms 104.21.11.19
78 2026-08-16 15:25 639224906878325623
10 ms 172.67.147.158
77 2026-08-16 15:09 639224897258974385
24 ms 104.21.11.19
76 2026-08-16 15:09 639224897258974385
24 ms 172.67.147.158
75 2026-08-16 14:17 639224866169532828
24 ms 104.21.11.19
74 2026-08-16 14:17 639224866169532828
24 ms 172.67.147.158
73 2026-08-16 14:01 639224856561831915
78 ms 104.21.11.19
72 2026-08-16 14:01 639224856561831915
78 ms 172.67.147.158
71 2026-08-16 13:45 639224846830897794
45 ms 172.67.147.158
70 2026-08-16 13:45 639224846830897794
45 ms 104.21.11.19
69 2026-08-16 13:28 639224836975863283
41 ms 172.67.147.158
68 2026-08-16 13:28 639224836975863283
41 ms 104.21.11.19
67 2026-08-16 12:35 639224804985340946
16 ms 104.21.11.19
66 2026-08-16 12:35 639224804985340946
16 ms 172.67.147.158
65 2026-08-16 12:19 639224795567782333
4 ms 172.67.147.158
64 2026-08-16 12:19 639224795567782333
4 ms 104.21.11.19
63 2026-08-16 12:03 639224785914225250
-
62 2026-08-16 11:47 639224776383854998
9 ms 172.67.147.158
61 2026-08-16 11:47 639224776383854998
9 ms 104.21.11.19
60 2026-08-16 10:54 639224744252113993
50 ms 104.21.11.19
59 2026-08-16 10:54 639224744252113993
50 ms 172.67.147.158
58 2026-08-16 10:37 639224734238905542
9 ms 104.21.11.19
57 2026-08-16 10:37 639224734238905542
9 ms 172.67.147.158
56 2026-08-16 10:20 639224724335031221
2350 ms 172.67.147.158
55 2026-08-16 10:20 639224724335031221
2350 ms 104.21.11.19
54 2026-08-16 10:04 639224714475244430
7 ms 172.67.147.158
53 2026-08-16 10:04 639224714475244430
7 ms 104.21.11.19
52 2026-08-16 09:08 639224681063874153
5 ms 104.21.11.19
51 2026-08-16 09:08 639224681063874153
5 ms 172.67.147.158
50 2026-08-16 08:51 639224671038956665
30 ms 104.21.11.19
49 2026-08-16 08:51 639224671038956665
30 ms 172.67.147.158
48 2026-08-16 08:35 639224661079806122
29 ms 104.21.11.19
47 2026-08-16 08:35 639224661079806122
29 ms 172.67.147.158
46 2026-08-16 08:18 639224651169993038
5 ms 104.21.11.19
45 2026-08-16 08:18 639224651169993038
5 ms 172.67.147.158
44 2026-08-16 07:25 639224618882283050
6 ms 172.67.147.158
43 2026-08-16 07:25 639224618882283050
6 ms 104.21.11.19
42 2026-08-16 07:09 639224609519965372
70 ms 104.21.11.19
41 2026-08-16 07:09 639224609519965372
70 ms 172.67.147.158
40 2026-08-16 06:53 639224599969658888
7 ms 172.67.147.158
39 2026-08-16 06:53 639224599969658888
7 ms 104.21.11.19
38 2026-08-16 06:37 639224590360343307
50 ms 104.21.11.19
37 2026-08-16 06:37 639224590360343307
50 ms 172.67.147.158
36 2026-08-16 05:45 639224558901831832
179 ms 172.67.147.158
35 2026-08-16 05:45 639224558901831832
179 ms 104.21.11.19
34 2026-08-16 05:29 639224549678210576
13 ms 104.21.11.19
33 2026-08-16 05:29 639224549678210576
13 ms 172.67.147.158
32 2026-08-16 05:14 639224540433420642
7 ms 104.21.11.19
31 2026-08-16 05:14 639224540433420642
7 ms 172.67.147.158
30 2026-08-16 04:58 639224531046032443
40 ms 104.21.11.19
29 2026-08-16 04:58 639224531046032443
40 ms 172.67.147.158
28 2026-08-16 04:06 639224499638024410
4 ms 104.21.11.19
27 2026-08-16 04:06 639224499638024410
4 ms 172.67.147.158
26 2026-08-16 03:50 639224490358783451
5 ms 172.67.147.158
25 2026-08-16 03:50 639224490358783451
5 ms 104.21.11.19
24 2026-08-16 03:35 639224481111410545
51 ms 172.67.147.158
23 2026-08-16 03:35 639224481111410545
51 ms 104.21.11.19
22 2026-08-16 03:20 639224471809153772
28 ms 172.67.147.158
21 2026-08-16 03:20 639224471809153772
28 ms 104.21.11.19
20 2026-08-16 02:27 639224440124457324
91 ms 104.21.11.19
19 2026-08-16 02:27 639224440124457324
91 ms 172.67.147.158
18 2026-08-16 02:11 639224430921105721
22 ms 104.21.11.19
17 2026-08-16 02:11 639224430921105721
22 ms 172.67.147.158
16 2026-08-16 01:56 639224421455433103
44 ms 172.67.147.158
15 2026-08-16 01:56 639224421455433103
44 ms 104.21.11.19
14 2026-08-16 01:40 639224412089740331
4 ms 172.67.147.158
13 2026-08-16 01:40 639224412089740331
4 ms 104.21.11.19
12 2026-08-16 01:25 639224403168392868
12 ms 104.21.11.19
11 2026-08-16 01:25 639224403168392868
12 ms 172.67.147.158
10 2026-08-16 01:10 639224393856251387
43 ms 104.21.11.19
9 2026-08-16 01:10 639224393856251387
43 ms 172.67.147.158
8 2026-08-16 00:54 639224384677141438
2070 ms 172.67.147.158
7 2026-08-16 00:54 639224384677141438
2070 ms 104.21.11.19
6 2026-08-16 00:39 639224375597986398
21 ms 172.67.147.158
5 2026-08-16 00:39 639224375597986398
21 ms 104.21.11.19
4 2026-08-16 00:24 639224366430296466
5 ms 172.67.147.158
3 2026-08-16 00:24 639224366430296466
5 ms 104.21.11.19
2 2026-08-16 00:09 639224357218176789
72 ms 172.67.147.158
1 2026-08-16 00:09 639224357218176789
72 ms 104.21.11.19