DNS response history for ns1.head4.com

ns1.head4.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 2026-08-31. For this date, NameServerHistory found 71 DNS check records, 68 successful responses, 3 failed responses, and 56 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 ns1.head4.com.
Records on Selected Date

71

Historical checks stored for this nameserver on selected date

Average Latency

56 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-31 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

138.201.139.228

Most recently resolved hosting IP on selected date

Successful Responses

68

Checks that returned a measurable response

Failed Responses

3

Checks with no response or no returned latency

Failure Rate

4%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns1.head4.com

Showing DNS history for 2026-08-31 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
71 2026-08-31 23:46 639238164117437727
39 ms 138.201.139.228
70 2026-08-31 23:28 639238153343647435
47 ms 138.201.139.228
69 2026-08-31 23:10 639238142520473714
24 ms 138.201.139.228
68 2026-08-31 22:52 639238131745466751
28 ms 138.201.139.228
67 2026-08-31 22:34 639238120990576799
76 ms 138.201.139.228
66 2026-08-31 21:40 639238088948639656
-
65 2026-08-31 21:23 639238078451435617
102 ms 138.201.139.228
64 2026-08-31 21:06 639238067818407820
100 ms 138.201.139.228
63 2026-08-31 20:48 639238057337242425
63 ms 138.201.139.228
62 2026-08-31 20:30 639238046718231047
50 ms 138.201.139.228
61 2026-08-31 20:13 639238036493480692
16 ms 138.201.139.228
60 2026-08-31 19:56 639238026138697113
88 ms 138.201.139.228
59 2026-08-31 19:39 639238015790028644
121 ms 138.201.139.228
58 2026-08-31 19:21 639238005382709909
10 ms 138.201.139.228
57 2026-08-31 19:04 639237995139195097
87 ms 138.201.139.228
56 2026-08-31 18:47 639237984659733710
82 ms 138.201.139.228
55 2026-08-31 18:29 639237974142394595
53 ms 138.201.139.228
54 2026-08-31 17:36 639237941910348424
54 ms 138.201.139.228
53 2026-08-31 17:19 639237931681671742
33 ms 138.201.139.228
52 2026-08-31 17:01 639237921365566692
63 ms 138.201.139.228
51 2026-08-31 16:44 639237910991948788
8 ms 138.201.139.228
50 2026-08-31 16:27 639237900605596198
15 ms 138.201.139.228
49 2026-08-31 16:10 639237890356235470
68 ms 138.201.139.228
48 2026-08-31 15:52 639237879936204342
138 ms 138.201.139.228
47 2026-08-31 15:35 639237869543741197
49 ms 138.201.139.228
46 2026-08-31 15:18 639237859138790045
62 ms 138.201.139.228
45 2026-08-31 15:00 639237848640463709
75 ms 138.201.139.228
44 2026-08-31 14:43 639237838098800325
82 ms 138.201.139.228
43 2026-08-31 14:25 639237827433935375
77 ms 138.201.139.228
42 2026-08-31 13:31 639237794785519897
165 ms 138.201.139.228
41 2026-08-31 13:13 639237784474116679
49 ms 138.201.139.228
40 2026-08-31 12:56 639237773965397189
-
39 2026-08-31 12:38 639237763588542721
53 ms 138.201.139.228
38 2026-08-31 12:21 639237753225101103
52 ms 138.201.139.228
37 2026-08-31 12:04 639237742927117371
58 ms 138.201.139.228
36 2026-08-31 11:47 639237732538256235
159 ms 138.201.139.228
35 2026-08-31 11:29 639237722025682013
65 ms 138.201.139.228
34 2026-08-31 11:12 639237711568720101
56 ms 138.201.139.228
33 2026-08-31 10:55 639237701119461876
61 ms 138.201.139.228
32 2026-08-31 10:37 639237690759595513
19 ms 138.201.139.228
31 2026-08-31 10:19 639237680122296836
4 ms 138.201.139.228
30 2026-08-31 09:26 639237647999458954
73 ms 138.201.139.228
29 2026-08-31 09:09 639237637680951774
26 ms 138.201.139.228
28 2026-08-31 08:51 639237627437728712
49 ms 138.201.139.228
27 2026-08-31 08:34 639237617127808241
63 ms 138.201.139.228
26 2026-08-31 08:17 639237606990101394
98 ms 138.201.139.228
25 2026-08-31 08:00 639237596595480036
74 ms 138.201.139.228
24 2026-08-31 07:43 639237586261012001
31 ms 138.201.139.228
23 2026-08-31 07:26 639237576047657695
-
22 2026-08-31 07:09 639237565832936443
117 ms 138.201.139.228
21 2026-08-31 06:52 639237555466329546
79 ms 138.201.139.228
20 2026-08-31 06:34 639237545032411072
57 ms 138.201.139.228
19 2026-08-31 06:17 639237534469438634
64 ms 138.201.139.228
18 2026-08-31 05:23 639237502279296801
23 ms 138.201.139.228
17 2026-08-31 05:06 639237492362730124
5 ms 138.201.139.228
16 2026-08-31 04:50 639237482311584319
4 ms 138.201.139.228
15 2026-08-31 04:33 639237472150685594
25 ms 138.201.139.228
14 2026-08-31 04:16 639237462055295430
14 ms 138.201.139.228
13 2026-08-31 03:59 639237452089913890
53 ms 138.201.139.228
12 2026-08-31 03:42 639237441972654103
5 ms 138.201.139.228
11 2026-08-31 03:26 639237432052396478
15 ms 138.201.139.228
10 2026-08-31 03:09 639237422012990851
15 ms 138.201.139.228
9 2026-08-31 02:52 639237411889602012
16 ms 138.201.139.228
8 2026-08-31 02:35 639237401637354221
107 ms 138.201.139.228
7 2026-08-31 02:18 639237391412690360
34 ms 138.201.139.228
6 2026-08-31 01:26 639237359972957132
19 ms 138.201.139.228
5 2026-08-31 01:09 639237350032183979
25 ms 138.201.139.228
4 2026-08-31 00:52 639237340111452066
153 ms 138.201.139.228
3 2026-08-31 00:36 639237329967272514
57 ms 138.201.139.228
2 2026-08-31 00:19 639237319916508151
25 ms 138.201.139.228
1 2026-08-31 00:02 639237309944877243
46 ms 138.201.139.228