DNS response history for ns1.sis-web.co.uk

ns1.sis-web.co.uk 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 116 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.sis-web.co.uk.
Records on Selected Date

52

Historical checks stored for this nameserver on selected date

Average Latency

116 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-28 22:04

All timestamps shown in UTC

Latest Resolved IP on Selected Date

149.255.57.123

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.sis-web.co.uk

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 22:04 639235511923394567
31 ms 149.255.57.123
51 2026-08-28 21:47 639235501571282412
32 ms 149.255.57.123
50 2026-08-28 21:29 639235491147763512
33 ms 149.255.57.123
49 2026-08-28 21:12 639235480607057252
2039 ms 149.255.57.123
48 2026-08-28 20:18 639235448504869535
29 ms 149.255.57.123
47 2026-08-28 20:01 639235438205961423
28 ms 149.255.57.123
46 2026-08-28 19:44 639235427771603643
30 ms 149.255.57.123
45 2026-08-28 19:26 639235417327437217
40 ms 149.255.57.123
44 2026-08-28 18:33 639235385468729647
38 ms 149.255.57.123
43 2026-08-28 18:16 639235375227508188
29 ms 149.255.57.123
42 2026-08-28 17:59 639235364947407812
35 ms 149.255.57.123
41 2026-08-28 17:42 639235354434017190
45 ms 149.255.57.123
40 2026-08-28 16:49 639235322621629103
30 ms 149.255.57.123
39 2026-08-28 16:31 639235312230592801
46 ms 149.255.57.123
38 2026-08-28 16:14 639235301738139314
31 ms 149.255.57.123
37 2026-08-28 15:56 639235291168160936
33 ms 149.255.57.123
36 2026-08-28 15:02 639235258803654519
67 ms 149.255.57.123
35 2026-08-28 14:45 639235248596087996
41 ms 149.255.57.123
34 2026-08-28 14:28 639235238225955920
28 ms 149.255.57.123
33 2026-08-28 14:10 639235227727862105
40 ms 149.255.57.123
32 2026-08-28 13:16 639235195230848570
2157 ms 149.255.57.123
31 2026-08-28 12:59 639235184840503274
33 ms 149.255.57.123
30 2026-08-28 12:42 639235174453894956
51 ms 149.255.57.123
29 2026-08-28 12:24 639235163898672622
30 ms 149.255.57.123
28 2026-08-28 11:31 639235132147470568
34 ms 149.255.57.123
27 2026-08-28 11:14 639235121907744088
38 ms 149.255.57.123
26 2026-08-28 10:57 639235111428014262
55 ms 149.255.57.123
25 2026-08-28 10:39 639235100921813626
30 ms 149.255.57.123
24 2026-08-28 09:45 639235068670703481
22 ms 149.255.57.123
23 2026-08-28 09:28 639235058337459445
34 ms 149.255.57.123
22 2026-08-28 09:11 639235047825109146
30 ms 149.255.57.123
21 2026-08-28 08:53 639235037383229033
38 ms 149.255.57.123
20 2026-08-28 08:00 639235005619242711
31 ms 149.255.57.123
19 2026-08-28 07:43 639234995310346584
33 ms 149.255.57.123
18 2026-08-28 07:26 639234984946548933
40 ms 149.255.57.123
17 2026-08-28 07:09 639234974608077290
77 ms 149.255.57.123
16 2026-08-28 06:15 639234942529845595
40 ms 149.255.57.123
15 2026-08-28 05:58 639234932259126627
23 ms 149.255.57.123
14 2026-08-28 05:41 639234921916735988
28 ms 149.255.57.123
13 2026-08-28 05:23 639234911470038027
34 ms 149.255.57.123
12 2026-08-28 04:30 639234879588411654
36 ms 149.255.57.123
11 2026-08-28 04:13 639234869341589104
44 ms 149.255.57.123
10 2026-08-28 03:56 639234859012216675
28 ms 149.255.57.123
9 2026-08-28 03:39 639234848695364934
44 ms 149.255.57.123
8 2026-08-28 02:46 639234816952458162
65 ms 149.255.57.123
7 2026-08-28 02:29 639234806773081598
32 ms 149.255.57.123
6 2026-08-28 02:12 639234796382955255
30 ms 149.255.57.123
5 2026-08-28 01:54 639234786015782563
38 ms 149.255.57.123
4 2026-08-28 01:00 639234753811917646
38 ms 149.255.57.123
3 2026-08-28 00:44 639234743739767811
12 ms 149.255.57.123
2 2026-08-28 00:27 639234733372362811
43 ms 149.255.57.123
1 2026-08-28 00:09 639234723048550337
30 ms 149.255.57.123