DNS response history for dns4.sysop4.com

dns4.sysop4.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 2026-08-21. For this date, NameServerHistory found 72 DNS check records, 72 successful responses, 0 failed responses, and 194 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 dns4.sysop4.com.
Records on Selected Date

72

Historical checks stored for this nameserver on selected date

Average Latency

194 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:47

All timestamps shown in UTC

Latest Resolved IP on Selected Date

72.52.252.26

Most recently resolved hosting IP on selected date

Successful Responses

72

Checks that returned a measurable response

Failed Responses

0

Checks with no response or no returned latency

Failure Rate

0%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for dns4.sysop4.com

Showing DNS history for 2026-08-21 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
72 2026-08-21 23:47 639229527598660841
9 ms 72.52.252.26
71 2026-08-21 23:31 639229517954323214
130 ms 72.52.252.26
70 2026-08-21 23:15 639229508269999021
132 ms 72.52.252.26
69 2026-08-21 22:58 639229498559060171
2016 ms 72.52.252.26
68 2026-08-21 22:42 639229488519347586
33 ms 72.52.252.26
67 2026-08-21 21:49 639229456606578934
2036 ms 72.52.252.26
66 2026-08-21 21:33 639229446985772499
23 ms 72.52.252.26
65 2026-08-21 21:17 639229437367313098
38 ms 72.52.252.26
64 2026-08-21 21:01 639229427923950391
2051 ms 72.52.252.26
63 2026-08-21 20:45 639229418168588854
19 ms 72.52.252.26
62 2026-08-21 20:28 639229408345678334
24 ms 72.52.252.26
61 2026-08-21 20:12 639229398616354648
15 ms 72.52.252.26
60 2026-08-21 19:55 639229388634592323
116 ms 72.52.252.26
59 2026-08-21 19:39 639229378792837692
125 ms 72.52.252.26
58 2026-08-21 19:23 639229369154682311
139 ms 72.52.252.26
57 2026-08-21 19:06 639229359248017926
10 ms 72.52.252.26
56 2026-08-21 18:49 639229349124294642
275 ms 72.52.252.26
55 2026-08-21 17:57 639229317791715692
11 ms 72.52.252.26
54 2026-08-21 17:41 639229308115194575
46 ms 72.52.252.26
53 2026-08-21 17:25 639229298320320558
11 ms 72.52.252.26
52 2026-08-21 17:09 639229288674863221
21 ms 72.52.252.26
51 2026-08-21 16:53 639229278983677079
3 ms 72.52.252.26
50 2026-08-21 16:37 639229269405517175
25 ms 72.52.252.26
49 2026-08-21 16:20 639229259594798244
40 ms 72.52.252.26
48 2026-08-21 16:04 639229249736681188
187 ms 72.52.252.26
47 2026-08-21 15:47 639229239699417787
41 ms 72.52.252.26
46 2026-08-21 15:30 639229229621964033
44 ms 72.52.252.26
45 2026-08-21 15:13 639229219567270965
3 ms 72.52.252.26
44 2026-08-21 14:57 639229209406666856
140 ms 72.52.252.26
43 2026-08-21 14:04 639229177815876178
39 ms 72.52.252.26
42 2026-08-21 13:48 639229168243572685
5 ms 72.52.252.26
41 2026-08-21 13:32 639229158599856475
22 ms 72.52.252.26
40 2026-08-21 13:16 639229148998940902
5 ms 72.52.252.26
39 2026-08-21 13:00 639229139276923594
40 ms 72.52.252.26
38 2026-08-21 12:44 639229129709912394
21 ms 72.52.252.26
37 2026-08-21 12:27 639229119801488500
12 ms 72.52.252.26
36 2026-08-21 12:11 639229110135262458
48 ms 72.52.252.26
35 2026-08-21 11:55 639229100336051392
14 ms 72.52.252.26
34 2026-08-21 11:39 639229090641415626
27 ms 72.52.252.26
33 2026-08-21 11:22 639229080702683947
140 ms 72.52.252.26
32 2026-08-21 11:05 639229070601456699
27 ms 72.52.252.26
31 2026-08-21 10:13 639229038947447232
149 ms 72.52.252.26
30 2026-08-21 09:56 639229029268708773
28 ms 72.52.252.26
29 2026-08-21 09:40 639229019647910603
2013 ms 72.52.252.26
28 2026-08-21 09:24 639229009983843738
14 ms 72.52.252.26
27 2026-08-21 09:08 639229000203331882
38 ms 72.52.252.26
26 2026-08-21 08:51 639228990302335999
197 ms 72.52.252.26
25 2026-08-21 08:35 639228980567740722
8 ms 72.52.252.26
24 2026-08-21 08:19 639228970762445174
42 ms 72.52.252.26
23 2026-08-21 08:03 639228961065054445
29 ms 72.52.252.26
22 2026-08-21 07:46 639228951224649885
24 ms 72.52.252.26
21 2026-08-21 07:30 639228941303864592
24 ms 72.52.252.26
20 2026-08-21 07:13 639228931191328583
139 ms 72.52.252.26
19 2026-08-21 06:20 639228899518173317
179 ms 72.52.252.26
18 2026-08-21 06:04 639228889785027669
29 ms 72.52.252.26
17 2026-08-21 05:48 639228880106330161
134 ms 72.52.252.26
16 2026-08-21 05:31 639228870316184091
3 ms 72.52.252.26
15 2026-08-21 05:15 639228860695366512
57 ms 72.52.252.26
14 2026-08-21 04:59 639228851027209500
5 ms 72.52.252.26
13 2026-08-21 04:43 639228841479265462
17 ms 72.52.252.26
12 2026-08-21 04:27 639228831752962260
16 ms 72.52.252.26
11 2026-08-21 04:11 639228821953295483
9 ms 72.52.252.26
10 2026-08-21 03:55 639228812227429953
16 ms 72.52.252.26
9 2026-08-21 03:38 639228802476107538
15 ms 72.52.252.26
8 2026-08-21 03:22 639228792525492032
130 ms 72.52.252.26
7 2026-08-21 02:29 639228761131421385
170 ms 72.52.252.26
6 2026-08-21 02:14 639228751571206692
2131 ms 72.52.252.26
5 2026-08-21 01:57 639228741705571019
8 ms 72.52.252.26
4 2026-08-21 01:40 639228731642208228
123 ms 72.52.252.26
3 2026-08-21 00:48 639228700387002072
16 ms 72.52.252.26
2 2026-08-21 00:32 639228690742014433
8 ms 72.52.252.26
1 2026-08-21 00:16 639228680877937122
8 ms 72.52.252.26