DNS response history for ns4.ulevitch.net

ns4.ulevitch.net 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, 65 successful responses, 1 failed responses, and 443 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.ulevitch.net.
Records on Selected Date

66

Historical checks stored for this nameserver on selected date

Average Latency

443 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 22:25

All timestamps shown in UTC

Latest Resolved IP on Selected Date

205.251.198.203

Most recently resolved hosting IP on selected date

Successful Responses

65

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns4.ulevitch.net

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 22:25 639232932163142799
19 ms 205.251.198.203
65 2026-08-25 22:07 639232921673215474
38 ms 205.251.198.203
64 2026-08-25 21:50 639232911234504639
21 ms 205.251.198.203
63 2026-08-25 21:33 639232900747078453
25 ms 205.251.198.203
62 2026-08-25 21:15 639232890389222534
1187 ms 205.251.198.203
61 2026-08-25 20:58 639232880143390843
20 ms 205.251.198.203
60 2026-08-25 20:41 639232869755024069
10 ms 205.251.198.203
59 2026-08-25 20:23 639232859355940346
2252 ms 205.251.198.203
58 2026-08-25 20:06 639232848992244953
392 ms 205.251.198.203
57 2026-08-25 19:49 639232838596478500
27 ms 205.251.198.203
56 2026-08-25 19:31 639232828175327683
2216 ms 205.251.198.203
55 2026-08-25 19:14 639232817798330473
2038 ms 205.251.198.203
54 2026-08-25 18:20 639232785462407552
5 ms 205.251.198.203
53 2026-08-25 18:03 639232775177487032
20 ms 205.251.198.203
52 2026-08-25 17:46 639232764991087115
616 ms 205.251.198.203
51 2026-08-25 17:29 639232754842971478
7 ms 205.251.198.203
50 2026-08-25 17:12 639232744455159107
16 ms 205.251.198.203
49 2026-08-25 16:55 639232734145178231
52 ms 205.251.198.203
48 2026-08-25 16:38 639232723827874402
18 ms 205.251.198.203
47 2026-08-25 16:20 639232713533011892
42 ms 205.251.198.203
46 2026-08-25 16:03 639232703065318207
74 ms 205.251.198.203
45 2026-08-25 15:46 639232692629559470
2038 ms 205.251.198.203
44 2026-08-25 15:28 639232682238836475
35 ms 205.251.198.203
43 2026-08-25 15:11 639232671787004306
439 ms 205.251.198.203
42 2026-08-25 14:16 639232638994329666
63 ms 205.251.198.203
41 2026-08-25 13:59 639232628614783237
62 ms 205.251.198.203
40 2026-08-25 13:42 639232618360728578
20 ms 205.251.198.203
39 2026-08-25 13:25 639232608016476376
2123 ms 205.251.198.203
38 2026-08-25 13:07 639232597643611557
12 ms 205.251.198.203
37 2026-08-25 12:50 639232587225721862
23 ms 205.251.198.203
36 2026-08-25 12:32 639232576780683689
33 ms 205.251.198.203
35 2026-08-25 12:15 639232566381512620
55 ms 205.251.198.203
34 2026-08-25 11:58 639232556111768563
2843 ms 205.251.198.203
33 2026-08-25 11:41 639232545839529039
554 ms 205.251.198.203
32 2026-08-25 11:23 639232535349285207
17 ms 205.251.198.203
31 2026-08-25 11:06 639232524938080723
40 ms 205.251.198.203
30 2026-08-25 10:12 639232492740373468
57 ms 205.251.198.203
29 2026-08-25 09:55 639232482235303141
2039 ms 205.251.198.203
28 2026-08-25 09:38 639232471861770303
43 ms 205.251.198.203
27 2026-08-25 09:20 639232461630217327
20 ms 205.251.198.203
26 2026-08-25 09:03 639232451282965990
2019 ms 205.251.198.203
25 2026-08-25 08:46 639232440814614938
-
24 2026-08-25 08:28 639232430410720425
13 ms 205.251.198.203
23 2026-08-25 08:11 639232420003096185
16 ms 205.251.198.203
22 2026-08-25 07:54 639232409467287444
24 ms 205.251.198.203
21 2026-08-25 07:36 639232399077195997
15 ms 205.251.198.203
20 2026-08-25 07:19 639232388731528337
20 ms 205.251.198.203
19 2026-08-25 07:02 639232378288598612
15 ms 205.251.198.203
18 2026-08-25 06:08 639232346196373643
20 ms 205.251.198.203
17 2026-08-25 05:51 639232336112370741
17 ms 205.251.198.203
16 2026-08-25 05:35 639232326146508970
2015 ms 205.251.198.203
15 2026-08-25 05:18 639232316189381720
809 ms 205.251.198.203
14 2026-08-25 05:02 639232306217998913
20 ms 205.251.198.203
13 2026-08-25 04:45 639232296255744174
41 ms 205.251.198.203
12 2026-08-25 04:28 639232286095760789
994 ms 205.251.198.203
11 2026-08-25 04:11 639232276086186273
35 ms 205.251.198.203
10 2026-08-25 03:54 639232265900986425
23 ms 205.251.198.203
9 2026-08-25 03:37 639232255723518075
883 ms 205.251.198.203
8 2026-08-25 03:20 639232245484452890
42 ms 205.251.198.203
7 2026-08-25 03:03 639232235157175331
16 ms 205.251.198.203
6 2026-08-25 02:10 639232203197189095
19 ms 205.251.198.203
5 2026-08-25 01:53 639232192844564298
9 ms 205.251.198.203
4 2026-08-25 01:35 639232182496008942
12 ms 205.251.198.203
3 2026-08-25 01:18 639232172197053132
2035 ms 205.251.198.203
2 2026-08-25 00:25 639232140250307418
14 ms 205.251.198.203
1 2026-08-25 00:08 639232129927860324
27 ms 205.251.198.203