DNS response history for ns4.sisadmin.com

ns4.sisadmin.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 2026-08-15. For this date, NameServerHistory found 77 DNS check records, 76 successful responses, 1 failed responses, and 271 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 ns4.sisadmin.com.
Records on Selected Date

77

Historical checks stored for this nameserver on selected date

Average Latency

271 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-15 23:55

All timestamps shown in UTC

Latest Resolved IP on Selected Date

50.28.103.118

Most recently resolved hosting IP on selected date

Successful Responses

76

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns4.sisadmin.com

Showing DNS history for 2026-08-15 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
77 2026-08-15 23:55 639224347685767174
2035 ms 50.28.103.118
76 2026-08-15 23:40 639224338276675277
17 ms 50.28.103.118
75 2026-08-15 22:47 639224306594546649
49 ms 50.28.103.118
74 2026-08-15 22:31 639224297145423303
30 ms 50.28.103.118
73 2026-08-15 22:15 639224287678238833
51 ms 50.28.103.118
72 2026-08-15 22:00 639224278490872828
8 ms 50.28.103.118
71 2026-08-15 21:45 639224269149307826
2029 ms 50.28.103.118
70 2026-08-15 21:29 639224259868597616
42 ms 50.28.103.118
69 2026-08-15 21:13 639224250518642175
37 ms 50.28.103.118
68 2026-08-15 20:58 639224241064772383
16 ms 50.28.103.118
67 2026-08-15 20:42 639224231691099605
51 ms 50.28.103.118
66 2026-08-15 20:27 639224222468168159
30 ms 50.28.103.118
65 2026-08-15 20:11 639224213173899635
28 ms 50.28.103.118
64 2026-08-15 19:56 639224203914451783
2070 ms 50.28.103.118
63 2026-08-15 19:03 639224172202542163
23 ms 50.28.103.118
62 2026-08-15 18:48 639224163338654093
23 ms 50.28.103.118
61 2026-08-15 18:33 639224154287995374
29 ms 50.28.103.118
60 2026-08-15 18:18 639224145118612503
11 ms 50.28.103.118
59 2026-08-15 18:03 639224135995990731
283 ms 50.28.103.118
58 2026-08-15 17:48 639224127185332624
23 ms 50.28.103.118
57 2026-08-15 17:33 639224118229289175
39 ms 50.28.103.118
56 2026-08-15 17:19 639224109273796359
20 ms 50.28.103.118
55 2026-08-15 17:04 639224100490805608
18 ms 50.28.103.118
54 2026-08-15 16:49 639224091353714490
40 ms 50.28.103.118
53 2026-08-15 16:33 639224082033126828
40 ms 50.28.103.118
52 2026-08-15 16:18 639224072736962403
49 ms 50.28.103.118
51 2026-08-15 15:24 639224041475563754
2021 ms 50.28.103.118
50 2026-08-15 15:09 639224032345604453
28 ms 50.28.103.118
49 2026-08-15 14:54 639224023169497283
18 ms 50.28.103.118
48 2026-08-15 14:38 639224013981146405
9 ms 50.28.103.118
47 2026-08-15 14:23 639224004883412586
10 ms 50.28.103.118
46 2026-08-15 14:08 639223995612880615
19 ms 50.28.103.118
45 2026-08-15 13:52 639223986271830789
2029 ms 50.28.103.118
44 2026-08-15 13:37 639223977005780949
-
43 2026-08-15 13:21 639223967653137793
36 ms 50.28.103.118
42 2026-08-15 13:06 639223958286010799
5 ms 50.28.103.118
41 2026-08-15 12:50 639223948936108345
28 ms 50.28.103.118
40 2026-08-15 12:35 639223939673066880
29 ms 50.28.103.118
39 2026-08-15 11:42 639223908317760530
25 ms 50.28.103.118
38 2026-08-15 11:27 639223898992594258
62 ms 50.28.103.118
37 2026-08-15 11:11 639223889761312823
36 ms 50.28.103.118
36 2026-08-15 10:56 639223880359273507
14 ms 50.28.103.118
35 2026-08-15 10:40 639223870920466808
2062 ms 50.28.103.118
34 2026-08-15 10:25 639223861579762179
29 ms 50.28.103.118
33 2026-08-15 10:09 639223852238616009
48 ms 50.28.103.118
32 2026-08-15 09:54 639223843019815620
65 ms 50.28.103.118
31 2026-08-15 09:38 639223833669915012
10 ms 50.28.103.118
30 2026-08-15 09:23 639223824494613222
73 ms 50.28.103.118
29 2026-08-15 09:07 639223815116325293
7 ms 50.28.103.118
28 2026-08-15 08:51 639223805493870221
15 ms 50.28.103.118
27 2026-08-15 07:59 639223774218660438
36 ms 50.28.103.118
26 2026-08-15 07:43 639223764663090372
10 ms 50.28.103.118
25 2026-08-15 07:28 639223755338811400
91 ms 50.28.103.118
24 2026-08-15 07:12 639223746019193268
38 ms 50.28.103.118
23 2026-08-15 06:56 639223736658778104
34 ms 50.28.103.118
22 2026-08-15 06:41 639223727330194499
6 ms 50.28.103.118
21 2026-08-15 06:25 639223717848514742
11 ms 50.28.103.118
20 2026-08-15 06:09 639223708284754056
2024 ms 50.28.103.118
19 2026-08-15 05:54 639223699061259933
27 ms 50.28.103.118
18 2026-08-15 05:38 639223689592545140
69 ms 50.28.103.118
17 2026-08-15 05:22 639223680143410810
46 ms 50.28.103.118
16 2026-08-15 05:06 639223670514517104
8 ms 50.28.103.118
15 2026-08-15 04:14 639223638855054294
2016 ms 50.28.103.118
14 2026-08-15 03:58 639223629623335972
29 ms 50.28.103.118
13 2026-08-15 03:43 639223620390189495
25 ms 50.28.103.118
12 2026-08-15 03:27 639223610916950440
9 ms 50.28.103.118
11 2026-08-15 03:12 639223601597759168
50 ms 50.28.103.118
10 2026-08-15 02:56 639223592342172093
7 ms 50.28.103.118
9 2026-08-15 02:41 639223583324121497
16 ms 50.28.103.118
8 2026-08-15 02:26 639223574086714218
45 ms 50.28.103.118
7 2026-08-15 02:10 639223564698424889
61 ms 50.28.103.118
6 2026-08-15 01:54 639223555408664206
21 ms 50.28.103.118
5 2026-08-15 01:39 639223546000912416
38 ms 50.28.103.118
4 2026-08-15 01:23 639223536550774847
44 ms 50.28.103.118
3 2026-08-15 00:31 639223505017205611
2014 ms 50.28.103.118
2 2026-08-15 00:15 639223495784410207
35 ms 50.28.103.118
1 2026-08-15 00:00 639223486524583054
8 ms 50.28.103.118