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 2026-08-19. For this date, NameServerHistory found 75 DNS check records, 73 successful responses, 2 failed responses, and 316 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

316 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:57

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

73

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

3%

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 2026-08-19 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 2026-08-19 23:57 639227805445376839
50 ms 72.52.252.26
74 2026-08-19 23:41 639227795899225951
41 ms 72.52.252.26
73 2026-08-19 23:25 639227786351762008
12 ms 72.52.252.26
72 2026-08-19 23:09 639227776640591733
199 ms 72.52.252.26
71 2026-08-19 22:53 639227767128841282
9 ms 72.52.252.26
70 2026-08-19 22:37 639227757477304711
121 ms 72.52.252.26
69 2026-08-19 22:20 639227747572098014
79 ms 72.52.252.26
68 2026-08-19 22:04 639227737588613113
137 ms 72.52.252.26
67 2026-08-19 21:11 639227706134603955
2040 ms 72.52.252.26
66 2026-08-19 20:55 639227696589027396
15 ms 72.52.252.26
65 2026-08-19 20:39 639227687097707639
89 ms 72.52.252.26
64 2026-08-19 20:23 639227677474464487
8 ms 72.52.252.26
63 2026-08-19 20:07 639227667767441118
29 ms 72.52.252.26
62 2026-08-19 19:51 639227657984833832
20 ms 72.52.252.26
61 2026-08-19 19:34 639227648079992640
45 ms 72.52.252.26
60 2026-08-19 19:18 639227638125048441
42 ms 72.52.252.26
59 2026-08-19 19:01 639227628211392142
21 ms 72.52.252.26
58 2026-08-19 18:45 639227618261696275
59 ms 72.52.252.26
57 2026-08-19 18:28 639227608366233645
31 ms 72.52.252.26
56 2026-08-19 18:12 639227598301787588
130 ms 72.52.252.26
55 2026-08-19 17:18 639227566241010716
14 ms 72.52.252.26
54 2026-08-19 17:02 639227556454538959
53 ms 72.52.252.26
53 2026-08-19 16:45 639227546640305542
11 ms 72.52.252.26
52 2026-08-19 16:29 639227536965466472
34 ms 72.52.252.26
51 2026-08-19 16:13 639227527048658280
27 ms 72.52.252.26
50 2026-08-19 15:57 639227517386634438
11 ms 72.52.252.26
49 2026-08-19 15:40 639227507459551637
36 ms 72.52.252.26
48 2026-08-19 15:23 639227497515595277
4123 ms 72.52.252.26
47 2026-08-19 15:07 639227487441798036
5 ms 72.52.252.26
46 2026-08-19 14:50 639227477445551863
2053 ms 72.52.252.26
45 2026-08-19 14:33 639227467297067891
9 ms 72.52.252.26
44 2026-08-19 14:16 639227457057795635
8 ms 72.52.252.26
43 2026-08-19 13:23 639227425244777397
23 ms 72.52.252.26
42 2026-08-19 13:07 639227415422116485
35 ms 72.52.252.26
41 2026-08-19 12:50 639227405307256053
10 ms 72.52.252.26
40 2026-08-19 12:33 639227395396602630
28 ms 72.52.252.26
39 2026-08-19 12:17 639227385510363611
106 ms 72.52.252.26
38 2026-08-19 12:00 639227375508324850
45 ms 72.52.252.26
37 2026-08-19 11:43 639227365326611906
16 ms 72.52.252.26
36 2026-08-19 11:27 639227355360014208
2045 ms 72.52.252.26
35 2026-08-19 11:09 639227345036782165
25 ms 72.52.252.26
34 2026-08-19 10:53 639227334992964533
-
33 2026-08-19 10:36 639227324986605572
9 ms 72.52.252.26
32 2026-08-19 10:19 639227314928414539
123 ms 72.52.252.26
31 2026-08-19 09:26 639227283029182134
18 ms 72.52.252.26
30 2026-08-19 09:10 639227273294779350
10 ms 72.52.252.26
29 2026-08-19 08:53 639227263525231313
10 ms 72.52.252.26
28 2026-08-19 08:37 639227253578313363
26 ms 72.52.252.26
27 2026-08-19 08:20 639227243649973322
27 ms 72.52.252.26
26 2026-08-19 08:04 639227233581059317
57 ms 72.52.252.26
25 2026-08-19 07:47 639227223667352067
4 ms 72.52.252.26
24 2026-08-19 07:30 639227213714837066
7 ms 72.52.252.26
23 2026-08-19 07:14 639227203701208496
36 ms 72.52.252.26
22 2026-08-19 06:57 639227193643202179
2040 ms 72.52.252.26
21 2026-08-19 06:40 639227183584431597
37 ms 72.52.252.26
20 2026-08-19 06:23 639227173347403088
30 ms 72.52.252.26
19 2026-08-19 05:30 639227141523007601
2040 ms 72.52.252.26
18 2026-08-19 05:14 639227131785931574
15 ms 72.52.252.26
17 2026-08-19 04:58 639227122176475389
47 ms 72.52.252.26
16 2026-08-19 04:42 639227112668934596
23 ms 72.52.252.26
15 2026-08-19 04:26 639227102773292788
2064 ms 72.52.252.26
14 2026-08-19 04:09 639227093141136930
36 ms 72.52.252.26
13 2026-08-19 03:53 639227083449420147
4 ms 72.52.252.26
12 2026-08-19 03:37 639227073771748493
-
11 2026-08-19 03:21 639227063977347614
2166 ms 72.52.252.26
10 2026-08-19 03:05 639227054253519024
4 ms 72.52.252.26
9 2026-08-19 02:48 639227044381963886
72 ms 72.52.252.26
8 2026-08-19 02:32 639227034441085514
155 ms 72.52.252.26
7 2026-08-19 01:39 639227003126489968
14 ms 72.52.252.26
6 2026-08-19 01:23 639226993456311614
6 ms 72.52.252.26
5 2026-08-19 01:07 639226983847312345
31 ms 72.52.252.26
4 2026-08-19 00:51 639226974357874853
2024 ms 72.52.252.26
3 2026-08-19 00:35 639226964670484721
9 ms 72.52.252.26
2 2026-08-19 00:19 639226954857899696
3 ms 72.52.252.26
1 2026-08-19 00:03 639226945091603488
30 ms 72.52.252.26