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 2026-08-18. For this date, NameServerHistory found 75 DNS check records, 75 successful responses, 0 failed responses, and 159 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

75

Historical checks stored for this nameserver on selected date

Average Latency

159 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:46

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

75

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 2026-08-18 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
75 2026-08-18 23:46 639226935204800669
51 ms 72.52.252.26
74 2026-08-18 23:30 639226925298919497
31 ms 72.52.252.26
73 2026-08-18 23:13 639226915487885053
51 ms 72.52.252.26
72 2026-08-18 22:57 639226905465760034
62 ms 72.52.252.26
71 2026-08-18 22:40 639226895378104692
34 ms 72.52.252.26
70 2026-08-18 21:47 639226863374232622
132 ms 72.52.252.26
69 2026-08-18 21:30 639226853698516058
28 ms 72.52.252.26
68 2026-08-18 21:14 639226843797360601
37 ms 72.52.252.26
67 2026-08-18 20:58 639226834046588155
146 ms 72.52.252.26
66 2026-08-18 20:41 639226824234488533
48 ms 72.52.252.26
65 2026-08-18 20:25 639226814549928621
140 ms 72.52.252.26
64 2026-08-18 20:09 639226804721432353
90 ms 72.52.252.26
63 2026-08-18 19:53 639226795048828184
159 ms 72.52.252.26
62 2026-08-18 19:36 639226785202482420
27 ms 72.52.252.26
61 2026-08-18 19:20 639226775309362607
6 ms 72.52.252.26
60 2026-08-18 19:03 639226765406586155
38 ms 72.52.252.26
59 2026-08-18 18:47 639226755437790519
10 ms 72.52.252.26
58 2026-08-18 17:54 639226723856194457
158 ms 72.52.252.26
57 2026-08-18 17:38 639226714050583422
15 ms 72.52.252.26
56 2026-08-18 17:21 639226704236499724
44 ms 72.52.252.26
55 2026-08-18 17:05 639226694184520163
12 ms 72.52.252.26
54 2026-08-18 16:48 639226684161203477
101 ms 72.52.252.26
53 2026-08-18 16:31 639226674305430109
25 ms 72.52.252.26
52 2026-08-18 16:15 639226664489607984
19 ms 72.52.252.26
51 2026-08-18 15:58 639226654533111667
32 ms 72.52.252.26
50 2026-08-18 15:42 639226644778594725
128 ms 72.52.252.26
49 2026-08-18 15:26 639226634901553621
2017 ms 72.52.252.26
48 2026-08-18 15:09 639226624921864967
98 ms 72.52.252.26
47 2026-08-18 14:52 639226614939419403
69 ms 72.52.252.26
46 2026-08-18 13:59 639226583021074771
28 ms 72.52.252.26
45 2026-08-18 13:43 639226573279933585
21 ms 72.52.252.26
44 2026-08-18 13:27 639226563494036301
180 ms 72.52.252.26
43 2026-08-18 13:10 639226553708216256
267 ms 72.52.252.26
42 2026-08-18 12:54 639226544003734815
6 ms 72.52.252.26
41 2026-08-18 12:38 639226534105733155
39 ms 72.52.252.26
40 2026-08-18 12:21 639226524298118898
38 ms 72.52.252.26
39 2026-08-18 12:05 639226514525195335
139 ms 72.52.252.26
38 2026-08-18 11:49 639226504703635320
15 ms 72.52.252.26
37 2026-08-18 11:32 639226494737271720
31 ms 72.52.252.26
36 2026-08-18 11:16 639226485005027236
17 ms 72.52.252.26
35 2026-08-18 10:59 639226475133236105
9 ms 72.52.252.26
34 2026-08-18 10:06 639226442975077052
173 ms 72.52.252.26
33 2026-08-18 09:50 639226433317932039
40 ms 72.52.252.26
32 2026-08-18 09:34 639226423688431096
11 ms 72.52.252.26
31 2026-08-18 09:18 639226413998250045
14 ms 72.52.252.26
30 2026-08-18 09:01 639226404284554875
19 ms 72.52.252.26
29 2026-08-18 08:45 639226394637043309
29 ms 72.52.252.26
28 2026-08-18 08:29 639226385052447582
29 ms 72.52.252.26
27 2026-08-18 08:13 639226375506189603
6 ms 72.52.252.26
26 2026-08-18 07:57 639226365690646426
16 ms 72.52.252.26
25 2026-08-18 07:41 639226355771007701
14 ms 72.52.252.26
24 2026-08-18 07:24 639226345946269369
12 ms 72.52.252.26
23 2026-08-18 07:08 639226336241601848
2027 ms 72.52.252.26
22 2026-08-18 06:16 639226304950675290
134 ms 72.52.252.26
21 2026-08-18 06:00 639226295324754616
8 ms 72.52.252.26
20 2026-08-18 05:44 639226285824640601
39 ms 72.52.252.26
19 2026-08-18 05:28 639226276321223917
9 ms 72.52.252.26
18 2026-08-18 05:12 639226266800200046
2012 ms 72.52.252.26
17 2026-08-18 04:56 639226256958066164
142 ms 72.52.252.26
16 2026-08-18 04:40 639226247432364597
135 ms 72.52.252.26
15 2026-08-18 04:24 639226237703388552
62 ms 72.52.252.26
14 2026-08-18 04:07 639226227937569589
8 ms 72.52.252.26
13 2026-08-18 03:51 639226218052465471
35 ms 72.52.252.26
12 2026-08-18 03:35 639226208429623997
11 ms 72.52.252.26
11 2026-08-18 03:19 639226198800675295
17 ms 72.52.252.26
10 2026-08-18 02:27 639226167722042574
4 ms 72.52.252.26
9 2026-08-18 02:11 639226158277924383
22 ms 72.52.252.26
8 2026-08-18 01:56 639226148757810592
2079 ms 72.52.252.26
7 2026-08-18 01:40 639226139348611045
10 ms 72.52.252.26
6 2026-08-18 01:24 639226129823462907
14 ms 72.52.252.26
5 2026-08-18 01:08 639226120218260005
21 ms 72.52.252.26
4 2026-08-18 00:52 639226110875503904
143 ms 72.52.252.26
3 2026-08-18 00:37 639226101376311912
42 ms 72.52.252.26
2 2026-08-18 00:21 639226091924943492
9 ms 72.52.252.26
1 2026-08-18 00:05 639226082133158124
11 ms 72.52.252.26