DNS response history for ns2.sjc.roa.net

ns2.sjc.roa.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 67 DNS check records, 66 successful responses, 1 failed responses, and 269 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 ns2.sjc.roa.net.
Records on Selected Date

67

Historical checks stored for this nameserver on selected date

Average Latency

269 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 23:18

All timestamps shown in UTC

Latest Resolved IP on Selected Date

142.147.90.6

Most recently resolved hosting IP on selected date

Successful Responses

66

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns2.sjc.roa.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
67 2026-08-25 23:18 639232964577050707
48 ms 142.147.90.6
66 2026-08-25 22:24 639232932163142799
6 ms 142.147.90.6
65 2026-08-25 22:07 639232921673215474
64 ms 142.147.90.6
64 2026-08-25 21:49 639232911234504639
2016 ms 142.147.90.6
63 2026-08-25 21:32 639232900747078453
14 ms 142.147.90.6
62 2026-08-25 21:15 639232890389222534
35 ms 142.147.90.6
61 2026-08-25 20:58 639232880143390843
2019 ms 142.147.90.6
60 2026-08-25 20:40 639232869755024069
11 ms 142.147.90.6
59 2026-08-25 20:23 639232859355940346
25 ms 142.147.90.6
58 2026-08-25 20:06 639232848992244953
46 ms 142.147.90.6
57 2026-08-25 19:48 639232838596478500
34 ms 142.147.90.6
56 2026-08-25 19:31 639232828175327683
22 ms 142.147.90.6
55 2026-08-25 19:14 639232817798330473
17 ms 142.147.90.6
54 2026-08-25 18:20 639232785462407552
26 ms 142.147.90.6
53 2026-08-25 18:03 639232775177487032
8 ms 142.147.90.6
52 2026-08-25 17:46 639232764991087115
4 ms 142.147.90.6
51 2026-08-25 17:29 639232754842971478
22 ms 142.147.90.6
50 2026-08-25 17:12 639232744455159107
34 ms 142.147.90.6
49 2026-08-25 16:54 639232734145178231
43 ms 142.147.90.6
48 2026-08-25 16:37 639232723827874402
27 ms 142.147.90.6
47 2026-08-25 16:20 639232713533011892
13 ms 142.147.90.6
46 2026-08-25 16:03 639232703065318207
17 ms 142.147.90.6
45 2026-08-25 15:45 639232692629559470
11 ms 142.147.90.6
44 2026-08-25 15:28 639232682238836475
16 ms 142.147.90.6
43 2026-08-25 15:10 639232671787004306
4025 ms 142.147.90.6
42 2026-08-25 14:16 639232638994329666
11 ms 142.147.90.6
41 2026-08-25 13:58 639232628614783237
16 ms 142.147.90.6
40 2026-08-25 13:41 639232618360728578
39 ms 142.147.90.6
39 2026-08-25 13:24 639232608016476376
112 ms 142.147.90.6
38 2026-08-25 13:07 639232597643611557
2035 ms 142.147.90.6
37 2026-08-25 12:49 639232587225721862
30 ms 142.147.90.6
36 2026-08-25 12:32 639232576780683689
12 ms 142.147.90.6
35 2026-08-25 12:15 639232566381512620
11 ms 142.147.90.6
34 2026-08-25 11:57 639232556111768563
17 ms 142.147.90.6
33 2026-08-25 11:40 639232545839529039
4 ms 142.147.90.6
32 2026-08-25 11:23 639232535349285207
39 ms 142.147.90.6
31 2026-08-25 11:06 639232524938080723
11 ms 142.147.90.6
30 2026-08-25 10:12 639232492740373468
15 ms 142.147.90.6
29 2026-08-25 09:55 639232482235303141
51 ms 142.147.90.6
28 2026-08-25 09:37 639232471861770303
12 ms 142.147.90.6
27 2026-08-25 09:20 639232461630217327
53 ms 142.147.90.6
26 2026-08-25 09:03 639232451282965990
73 ms 142.147.90.6
25 2026-08-25 08:45 639232440814614938
2045 ms 142.147.90.6
24 2026-08-25 08:28 639232430410720425
24 ms 142.147.90.6
23 2026-08-25 08:11 639232420003096185
7 ms 142.147.90.6
22 2026-08-25 07:53 639232409467287444
7 ms 142.147.90.6
21 2026-08-25 07:36 639232399077195997
6 ms 142.147.90.6
20 2026-08-25 07:19 639232388731528337
58 ms 142.147.90.6
19 2026-08-25 07:01 639232378288598612
63 ms 142.147.90.6
18 2026-08-25 06:08 639232346196373643
12 ms 142.147.90.6
17 2026-08-25 05:51 639232336112370741
36 ms 142.147.90.6
16 2026-08-25 05:34 639232326146508970
61 ms 142.147.90.6
15 2026-08-25 05:18 639232316189381720
2023 ms 142.147.90.6
14 2026-08-25 05:01 639232306217998913
37 ms 142.147.90.6
13 2026-08-25 04:45 639232296255744174
4 ms 142.147.90.6
12 2026-08-25 04:28 639232286095760789
9 ms 142.147.90.6
11 2026-08-25 04:11 639232276086186273
24 ms 142.147.90.6
10 2026-08-25 03:54 639232265900986425
17 ms 142.147.90.6
9 2026-08-25 03:37 639232255723518075
7 ms 142.147.90.6
8 2026-08-25 03:20 639232245484452890
55 ms 142.147.90.6
7 2026-08-25 03:03 639232235157175331
3 ms 142.147.90.6
6 2026-08-25 02:09 639232203197189095
5 ms 142.147.90.6
5 2026-08-25 01:52 639232192844564298
59 ms 142.147.90.6
4 2026-08-25 01:35 639232182496008942
5 ms 142.147.90.6
3 2026-08-25 01:18 639232172197053132
2025 ms 142.147.90.6
2 2026-08-25 00:24 639232140250307418
9 ms 142.147.90.6
1 2026-08-25 00:07 639232129927860324
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