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 2026-08-28. For this date, NameServerHistory found 52 DNS check records, 52 successful responses, 0 failed responses, and 192 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

52

Historical checks stored for this nameserver on selected date

Average Latency

192 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-28 22:03

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

52

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 2026-08-28 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
52 2026-08-28 22:03 639235511923394567
45 ms 139.0.20.29
51 2026-08-28 21:46 639235501571282412
12 ms 139.0.20.29
50 2026-08-28 21:28 639235491147763512
2041 ms 139.0.20.29
49 2026-08-28 21:11 639235480607057252
13 ms 139.0.20.29
48 2026-08-28 20:17 639235448504869535
48 ms 139.0.20.29
47 2026-08-28 20:00 639235438205961423
47 ms 139.0.20.29
46 2026-08-28 19:43 639235427771603643
17 ms 139.0.20.29
45 2026-08-28 19:25 639235417327437217
57 ms 139.0.20.29
44 2026-08-28 18:32 639235385468729647
47 ms 139.0.20.29
43 2026-08-28 18:15 639235375227508188
73 ms 139.0.20.29
42 2026-08-28 17:58 639235364947407812
2041 ms 139.0.20.29
41 2026-08-28 17:40 639235354434017190
51 ms 139.0.20.29
40 2026-08-28 16:47 639235322621629103
44 ms 139.0.20.29
39 2026-08-28 16:30 639235312230592801
65 ms 139.0.20.29
38 2026-08-28 16:13 639235301738139314
13 ms 139.0.20.29
37 2026-08-28 15:55 639235291168160936
15 ms 139.0.20.29
36 2026-08-28 15:01 639235258803654519
19 ms 139.0.20.29
35 2026-08-28 14:44 639235248596087996
14 ms 139.0.20.29
34 2026-08-28 14:27 639235238225955920
12 ms 139.0.20.29
33 2026-08-28 14:09 639235227727862105
2034 ms 139.0.20.29
32 2026-08-28 13:15 639235195230848570
39 ms 139.0.20.29
31 2026-08-28 12:58 639235184840503274
176 ms 139.0.20.29
30 2026-08-28 12:40 639235174453894956
29 ms 139.0.20.29
29 2026-08-28 12:23 639235163898672622
62 ms 139.0.20.29
28 2026-08-28 11:30 639235132147470568
20 ms 139.0.20.29
27 2026-08-28 11:13 639235121907744088
42 ms 139.0.20.29
26 2026-08-28 10:55 639235111428014262
47 ms 139.0.20.29
25 2026-08-28 10:38 639235100921813626
45 ms 139.0.20.29
24 2026-08-28 09:44 639235068670703481
15 ms 139.0.20.29
23 2026-08-28 09:27 639235058337459445
27 ms 139.0.20.29
22 2026-08-28 09:09 639235047825109146
11 ms 139.0.20.29
21 2026-08-28 08:52 639235037383229033
102 ms 139.0.20.29
20 2026-08-28 07:59 639235005619242711
46 ms 139.0.20.29
19 2026-08-28 07:42 639234995310346584
26 ms 139.0.20.29
18 2026-08-28 07:25 639234984946548933
10 ms 139.0.20.29
17 2026-08-28 07:07 639234974608077290
71 ms 139.0.20.29
16 2026-08-28 06:14 639234942529845595
50 ms 139.0.20.29
15 2026-08-28 05:57 639234932259126627
59 ms 139.0.20.29
14 2026-08-28 05:39 639234921916735988
12 ms 139.0.20.29
13 2026-08-28 05:22 639234911470038027
23 ms 139.0.20.29
12 2026-08-28 04:29 639234879588411654
14 ms 139.0.20.29
11 2026-08-28 04:12 639234869341589104
23 ms 139.0.20.29
10 2026-08-28 03:55 639234859012216675
10 ms 139.0.20.29
9 2026-08-28 03:37 639234848695364934
60 ms 139.0.20.29
8 2026-08-28 02:45 639234816952458162
15 ms 139.0.20.29
7 2026-08-28 02:28 639234806773081598
9 ms 139.0.20.29
6 2026-08-28 02:10 639234796382955255
21 ms 139.0.20.29
5 2026-08-28 01:53 639234786015782563
90 ms 139.0.20.29
4 2026-08-28 00:59 639234753811917646
2030 ms 139.0.20.29
3 2026-08-28 00:43 639234743739767811
55 ms 139.0.20.29
2 2026-08-28 00:25 639234733372362811
29 ms 139.0.20.29
1 2026-08-28 00:08 639234723048550337
24 ms 139.0.20.29