DNS response history for ns4.up.pt

ns4.up.pt 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 2026-08-25. For this date, NameServerHistory found 66 DNS check records, 66 successful responses, 0 failed responses, and 228 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.up.pt.
Records on Selected Date

66

Historical checks stored for this nameserver on selected date

Average Latency

228 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 22:26

All timestamps shown in UTC

Latest Resolved IP on Selected Date

193.137.55.33

Most recently resolved hosting IP on selected date

Successful Responses

66

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 ns4.up.pt

Showing DNS history for 2026-08-25 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
66 2026-08-25 22:26 639232932163142799
53 ms 193.137.55.33
65 2026-08-25 22:09 639232921673215474
25 ms 193.137.55.33
64 2026-08-25 21:51 639232911234504639
8 ms 193.137.55.33
63 2026-08-25 21:34 639232900747078453
47 ms 193.137.55.33
62 2026-08-25 21:17 639232890389222534
7 ms 193.137.55.33
61 2026-08-25 20:59 639232880143390843
38 ms 193.137.55.33
60 2026-08-25 20:42 639232869755024069
46 ms 193.137.55.33
59 2026-08-25 20:25 639232859355940346
93 ms 193.137.55.33
58 2026-08-25 20:08 639232848992244953
51 ms 193.137.55.33
57 2026-08-25 19:50 639232838596478500
13 ms 193.137.55.33
56 2026-08-25 19:33 639232828175327683
82 ms 193.137.55.33
55 2026-08-25 19:16 639232817798330473
10 ms 193.137.55.33
54 2026-08-25 18:22 639232785462407552
17 ms 193.137.55.33
53 2026-08-25 18:05 639232775177487032
2066 ms 193.137.55.33
52 2026-08-25 17:48 639232764991087115
47 ms 193.137.55.33
51 2026-08-25 17:31 639232754842971478
82 ms 193.137.55.33
50 2026-08-25 17:14 639232744455159107
51 ms 193.137.55.33
49 2026-08-25 16:56 639232734145178231
61 ms 193.137.55.33
48 2026-08-25 16:39 639232723827874402
7 ms 193.137.55.33
47 2026-08-25 16:22 639232713533011892
14 ms 193.137.55.33
46 2026-08-25 16:05 639232703065318207
26 ms 193.137.55.33
45 2026-08-25 15:47 639232692629559470
89 ms 193.137.55.33
44 2026-08-25 15:30 639232682238836475
8 ms 193.137.55.33
43 2026-08-25 15:12 639232671787004306
11 ms 193.137.55.33
42 2026-08-25 14:18 639232638994329666
58 ms 193.137.55.33
41 2026-08-25 14:00 639232628614783237
67 ms 193.137.55.33
40 2026-08-25 13:43 639232618360728578
235 ms 193.137.55.33
39 2026-08-25 13:26 639232608016476376
78 ms 193.137.55.33
38 2026-08-25 13:09 639232597643611557
61 ms 193.137.55.33
37 2026-08-25 12:51 639232587225721862
72 ms 193.137.55.33
36 2026-08-25 12:34 639232576780683689
2050 ms 193.137.55.33
35 2026-08-25 12:17 639232566381512620
53 ms 193.137.55.33
34 2026-08-25 11:59 639232556111768563
13 ms 193.137.55.33
33 2026-08-25 11:42 639232545839529039
78 ms 193.137.55.33
32 2026-08-25 11:25 639232535349285207
7 ms 193.137.55.33
31 2026-08-25 11:08 639232524938080723
50 ms 193.137.55.33
30 2026-08-25 10:14 639232492740373468
66 ms 193.137.55.33
29 2026-08-25 09:57 639232482235303141
62 ms 193.137.55.33
28 2026-08-25 09:39 639232471861770303
52 ms 193.137.55.33
27 2026-08-25 09:22 639232461630217327
4010 ms 193.137.55.33
26 2026-08-25 09:05 639232451282965990
17 ms 193.137.55.33
25 2026-08-25 08:47 639232440814614938
49 ms 193.137.55.33
24 2026-08-25 08:30 639232430410720425
12 ms 193.137.55.33
23 2026-08-25 08:13 639232420003096185
191 ms 193.137.55.33
22 2026-08-25 07:55 639232409467287444
56 ms 193.137.55.33
21 2026-08-25 07:38 639232399077195997
54 ms 193.137.55.33
20 2026-08-25 07:21 639232388731528337
7 ms 193.137.55.33
19 2026-08-25 07:03 639232378288598612
47 ms 193.137.55.33
18 2026-08-25 06:10 639232346196373643
51 ms 193.137.55.33
17 2026-08-25 05:53 639232336112370741
10 ms 193.137.55.33
16 2026-08-25 05:36 639232326146508970
53 ms 193.137.55.33
15 2026-08-25 05:20 639232316189381720
53 ms 193.137.55.33
14 2026-08-25 05:03 639232306217998913
64 ms 193.137.55.33
13 2026-08-25 04:46 639232296255744174
8 ms 193.137.55.33
12 2026-08-25 04:30 639232286095760789
48 ms 193.137.55.33
11 2026-08-25 04:13 639232276086186273
59 ms 193.137.55.33
10 2026-08-25 03:56 639232265900986425
2007 ms 193.137.55.33
9 2026-08-25 03:39 639232255723518075
80 ms 193.137.55.33
8 2026-08-25 03:22 639232245484452890
49 ms 193.137.55.33
7 2026-08-25 03:05 639232235157175331
54 ms 193.137.55.33
6 2026-08-25 02:11 639232203197189095
9 ms 193.137.55.33
5 2026-08-25 01:54 639232192844564298
29 ms 193.137.55.33
4 2026-08-25 01:37 639232182496008942
2017 ms 193.137.55.33
3 2026-08-25 01:20 639232172197053132
50 ms 193.137.55.33
2 2026-08-25 00:26 639232140250307418
7 ms 193.137.55.33
1 2026-08-25 00:09 639232129927860324
24 ms 193.137.55.33