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 2026-08-20. For this date, NameServerHistory found 57 DNS check records, 56 successful responses, 1 failed responses, and 74 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

57

Historical checks stored for this nameserver on selected date

Average Latency

74 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:59

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

56

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

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 2026-08-20 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
57 2026-08-20 23:59 639228670775860800
256 ms 72.52.252.26
56 2026-08-20 23:07 639228639850033448
60 ms 72.52.252.26
55 2026-08-20 22:51 639228630204271870
7 ms 72.52.252.26
54 2026-08-20 22:35 639228620295091135
16 ms 72.52.252.26
53 2026-08-20 22:18 639228610298336915
44 ms 72.52.252.26
52 2026-08-20 21:26 639228578917047616
144 ms 72.52.252.26
51 2026-08-20 21:09 639228569046445709
16 ms 72.52.252.26
50 2026-08-20 20:53 639228558946830986
14 ms 72.52.252.26
49 2026-08-20 20:36 639228548977359217
24 ms 72.52.252.26
48 2026-08-20 19:43 639228517494157668
21 ms 72.52.252.26
47 2026-08-20 19:27 639228507374116892
12 ms 72.52.252.26
46 2026-08-20 19:10 639228497315154893
24 ms 72.52.252.26
45 2026-08-20 18:53 639228487287648341
240 ms 72.52.252.26
44 2026-08-20 18:01 639228455828123788
10 ms 72.52.252.26
43 2026-08-20 17:44 639228445900082244
138 ms 72.52.252.26
42 2026-08-20 17:27 639228435866352323
20 ms 72.52.252.26
41 2026-08-20 17:11 639228425802273151
21 ms 72.52.252.26
40 2026-08-20 16:17 639228393616324230
27 ms 72.52.252.26
39 2026-08-20 16:00 639228383590408693
166 ms 72.52.252.26
38 2026-08-20 15:43 639228373471467474
28 ms 72.52.252.26
37 2026-08-20 15:27 639228363426647311
21 ms 72.52.252.26
36 2026-08-20 14:34 639228331681701910
27 ms 72.52.252.26
35 2026-08-20 14:17 639228321714746824
5 ms 72.52.252.26
34 2026-08-20 14:00 639228311652090262
60 ms 72.52.252.26
33 2026-08-20 13:44 639228301670088587
268 ms 72.52.252.26
32 2026-08-20 12:51 639228269987976710
190 ms 72.52.252.26
31 2026-08-20 12:34 639228260009452308
130 ms 72.52.252.26
30 2026-08-20 12:17 639228249661740894
81 ms 72.52.252.26
29 2026-08-20 12:00 639228239552680346
16 ms 72.52.252.26
28 2026-08-20 11:07 639228207667580819
51 ms 72.52.252.26
27 2026-08-20 10:50 639228197494011560
33 ms 72.52.252.26
26 2026-08-20 10:33 639228187497039939
163 ms 72.52.252.26
25 2026-08-20 10:17 639228177408432646
49 ms 72.52.252.26
24 2026-08-20 09:25 639228146356166262
11 ms 72.52.252.26
23 2026-08-20 09:09 639228136541505712
-
22 2026-08-20 08:52 639228126519136598
68 ms 72.52.252.26
21 2026-08-20 08:35 639228116537148885
151 ms 72.52.252.26
20 2026-08-20 07:43 639228085320764351
47 ms 72.52.252.26
19 2026-08-20 07:27 639228075444604839
32 ms 72.52.252.26
18 2026-08-20 07:10 639228065615498985
27 ms 72.52.252.26
17 2026-08-20 06:54 639228055675321422
23 ms 72.52.252.26
16 2026-08-20 06:01 639228024230839396
18 ms 72.52.252.26
15 2026-08-20 05:45 639228014720406505
42 ms 72.52.252.26
14 2026-08-20 05:29 639228004930827030
29 ms 72.52.252.26
13 2026-08-20 05:13 639227995103340154
246 ms 72.52.252.26
12 2026-08-20 04:21 639227963811374894
174 ms 72.52.252.26
11 2026-08-20 04:04 639227954132571365
122 ms 72.52.252.26
10 2026-08-20 03:49 639227944541208342
3 ms 72.52.252.26
9 2026-08-20 03:32 639227934657213484
44 ms 72.52.252.26
8 2026-08-20 02:40 639227903628145469
136 ms 72.52.252.26
7 2026-08-20 02:24 639227893995483475
30 ms 72.52.252.26
6 2026-08-20 02:08 639227884280244209
8 ms 72.52.252.26
5 2026-08-20 01:52 639227874371147132
153 ms 72.52.252.26
4 2026-08-20 01:00 639227843224256432
31 ms 72.52.252.26
3 2026-08-20 00:44 639227833720403506
33 ms 72.52.252.26
2 2026-08-20 00:28 639227824170728278
172 ms 72.52.252.26
1 2026-08-20 00:12 639227814865867570
157 ms 72.52.252.26