DNS response history for ns1.sis1.dev

ns1.sis1.dev 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 2026-08-09. For this date, NameServerHistory found 78 DNS check records, 78 successful responses, 0 failed responses, and 324 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 ns1.sis1.dev.
Records on Selected Date

78

Historical checks stored for this nameserver on selected date

Average Latency

324 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:15

All timestamps shown in UTC

Latest Resolved IP on Selected Date

139.0.20.29

Most recently resolved hosting IP on selected date

Successful Responses

78

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 ns1.sis1.dev

Showing DNS history for 2026-08-09 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
78 2026-08-09 23:15 639219137912168440
2049 ms 139.0.20.29
77 2026-08-09 23:00 639219129014206359
39 ms 139.0.20.29
76 2026-08-09 22:45 639219120129816185
14 ms 139.0.20.29
75 2026-08-09 22:30 639219111180200055
2066 ms 139.0.20.29
74 2026-08-09 22:16 639219102397272208
13 ms 139.0.20.29
73 2026-08-09 22:01 639219093318422880
2050 ms 139.0.20.29
72 2026-08-09 21:46 639219084400315753
11 ms 139.0.20.29
71 2026-08-09 21:31 639219075254551587
31 ms 139.0.20.29
70 2026-08-09 21:15 639219065729192158
14 ms 139.0.20.29
69 2026-08-09 20:59 639219056747802098
24 ms 139.0.20.29
68 2026-08-09 20:45 639219047713450952
11 ms 139.0.20.29
67 2026-08-09 20:29 639219038561445315
48 ms 139.0.20.29
66 2026-08-09 19:38 639219007390383771
43 ms 139.0.20.29
65 2026-08-09 19:23 639218998523265596
31 ms 139.0.20.29
64 2026-08-09 19:08 639218989631630804
54 ms 139.0.20.29
63 2026-08-09 18:53 639218980808450892
156 ms 139.0.20.29
62 2026-08-09 18:39 639218971852160604
7 ms 139.0.20.29
61 2026-08-09 18:23 639218962783650906
59 ms 139.0.20.29
60 2026-08-09 18:08 639218953792820819
20 ms 139.0.20.29
59 2026-08-09 17:54 639218944959692876
38 ms 139.0.20.29
58 2026-08-09 17:39 639218936169104506
101 ms 139.0.20.29
57 2026-08-09 17:24 639218927166062556
17 ms 139.0.20.29
56 2026-08-09 17:09 639218918015715420
16 ms 139.0.20.29
55 2026-08-09 16:54 639218908881852638
2036 ms 139.0.20.29
54 2026-08-09 16:02 639218877956262035
40 ms 139.0.20.29
53 2026-08-09 15:48 639218869143729797
10 ms 139.0.20.29
52 2026-08-09 15:33 639218860485298832
57 ms 139.0.20.29
51 2026-08-09 15:19 639218851607906747
34 ms 139.0.20.29
50 2026-08-09 15:04 639218842720839568
54 ms 139.0.20.29
49 2026-08-09 14:49 639218833878788864
123 ms 139.0.20.29
48 2026-08-09 14:34 639218825180862573
105 ms 139.0.20.29
47 2026-08-09 14:20 639218816469621951
25 ms 139.0.20.29
46 2026-08-09 14:05 639218807685036212
26 ms 139.0.20.29
45 2026-08-09 13:51 639218798978271509
49 ms 139.0.20.29
44 2026-08-09 13:36 639218790065423597
2044 ms 139.0.20.29
43 2026-08-09 13:21 639218781304584862
20 ms 139.0.20.29
42 2026-08-09 12:29 639218750311179000
26 ms 139.0.20.29
41 2026-08-09 12:14 639218741750420268
31 ms 139.0.20.29
40 2026-08-09 12:00 639218733057535576
27 ms 139.0.20.29
39 2026-08-09 11:46 639218724471329044
24 ms 139.0.20.29
38 2026-08-09 11:31 639218715911974203
2046 ms 139.0.20.29
37 2026-08-09 11:17 639218707310812834
31 ms 139.0.20.29
36 2026-08-09 11:03 639218698790485612
28 ms 139.0.20.29
35 2026-08-09 10:49 639218690367692706
34 ms 139.0.20.29
34 2026-08-09 10:34 639218681923173883
2035 ms 139.0.20.29
33 2026-08-09 10:20 639218673547179738
48 ms 139.0.20.29
32 2026-08-09 10:06 639218664890274867
170 ms 139.0.20.29
31 2026-08-09 09:51 639218656036928157
2032 ms 139.0.20.29
30 2026-08-09 09:00 639218624808018222
6 ms 139.0.20.29
29 2026-08-09 08:46 639218616243340806
20 ms 139.0.20.29
28 2026-08-09 08:31 639218607397811973
15 ms 139.0.20.29
27 2026-08-09 08:17 639218598812444454
2069 ms 139.0.20.29
26 2026-08-09 08:02 639218590219570048
21 ms 139.0.20.29
25 2026-08-09 07:48 639218581690210758
123 ms 139.0.20.29
24 2026-08-09 07:34 639218573057388822
55 ms 139.0.20.29
23 2026-08-09 07:19 639218564408781785
40 ms 139.0.20.29
22 2026-08-09 07:05 639218555767188482
50 ms 139.0.20.29
21 2026-08-09 06:50 639218547142705295
34 ms 139.0.20.29
20 2026-08-09 06:35 639218538090114532
71 ms 139.0.20.29
19 2026-08-09 06:20 639218529257910584
35 ms 139.0.20.29
18 2026-08-09 05:30 639218498473231858
156 ms 139.0.20.29
17 2026-08-09 05:15 639218489802113995
14 ms 139.0.20.29
16 2026-08-09 05:01 639218481006804516
21 ms 139.0.20.29
15 2026-08-09 04:46 639218472048712427
35 ms 139.0.20.29
14 2026-08-09 04:31 639218463224432974
43 ms 139.0.20.29
13 2026-08-09 04:16 639218454384107526
14 ms 139.0.20.29
12 2026-08-09 04:01 639218445331231791
34 ms 139.0.20.29
11 2026-08-09 03:46 639218436285215733
81 ms 139.0.20.29
10 2026-08-09 03:31 639218427289555123
2024 ms 139.0.20.29
9 2026-08-09 03:16 639218418227819981
23 ms 139.0.20.29
8 2026-08-09 03:01 639218409119503123
17 ms 139.0.20.29
7 2026-08-09 02:46 639218399771712154
25 ms 139.0.20.29
6 2026-08-09 01:54 639218368648652303
9 ms 139.0.20.29
5 2026-08-09 01:39 639218359569598460
23 ms 139.0.20.29
4 2026-08-09 01:24 639218350555429902
13 ms 139.0.20.29
3 2026-08-09 01:09 639218341311543299
2050 ms 139.0.20.29
2 2026-08-09 00:17 639218309981981465
21 ms 139.0.20.29
1 2026-08-09 00:02 639218300987184335
68 ms 139.0.20.29