DNS response history for ns2.isi.edu

ns2.isi.edu 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 38 DNS check records, 36 successful responses, 2 failed responses, and 273 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.isi.edu.
Records on Selected Date

38

Historical checks stored for this nameserver on selected date

Average Latency

273 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 13:08

All timestamps shown in UTC

Latest Resolved IP on Selected Date

128.9.40.13

Most recently resolved hosting IP on selected date

Successful Responses

36

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

5%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns2.isi.edu

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
38 2026-08-25 13:08 639232597643611557
9 ms 128.9.40.13
37 2026-08-25 12:51 639232587225721862
112 ms 128.9.40.13
36 2026-08-25 12:34 639232576780683689
114 ms 128.9.40.13
35 2026-08-25 12:16 639232566381512620
29 ms 128.9.40.13
34 2026-08-25 11:59 639232556111768563
20 ms 128.9.40.13
33 2026-08-25 11:42 639232545839529039
200 ms 128.9.40.13
32 2026-08-25 11:25 639232535349285207
12 ms 128.9.40.13
31 2026-08-25 11:07 639232524938080723
2014 ms 128.9.40.13
30 2026-08-25 10:13 639232492740373468
2121 ms 128.9.40.13
29 2026-08-25 09:56 639232482235303141
223 ms 128.9.40.13
28 2026-08-25 09:39 639232471861770303
167 ms 128.9.40.13
27 2026-08-25 09:22 639232461630217327
129 ms 128.9.40.13
26 2026-08-25 09:04 639232451282965990
135 ms 128.9.40.13
25 2026-08-25 08:47 639232440814614938
111 ms 128.9.40.13
24 2026-08-25 08:29 639232430410720425
115 ms 128.9.40.13
23 2026-08-25 08:12 639232420003096185
32 ms 128.9.40.13
22 2026-08-25 07:55 639232409467287444
112 ms 128.9.40.13
21 2026-08-25 07:37 639232399077195997
229 ms 128.9.40.13
20 2026-08-25 07:20 639232388731528337
109 ms 128.9.40.13
19 2026-08-25 07:03 639232378288598612
109 ms 128.9.40.13
18 2026-08-25 06:09 639232346196373643
299 ms 128.9.40.13
17 2026-08-25 05:52 639232336112370741
36 ms 128.9.40.13
16 2026-08-25 05:36 639232326146508970
111 ms 128.9.40.13
15 2026-08-25 05:19 639232316189381720
11 ms 128.9.40.13
14 2026-08-25 05:03 639232306217998913
111 ms 128.9.40.13
13 2026-08-25 04:46 639232296255744174
22 ms 128.9.40.13
12 2026-08-25 04:29 639232286095760789
123 ms 128.9.40.13
11 2026-08-25 04:12 639232276086186273
115 ms 128.9.40.13
10 2026-08-25 03:55 639232265900986425
7 ms 128.9.40.13
9 2026-08-25 03:38 639232255723518075
106 ms 128.9.40.13
8 2026-08-25 03:21 639232245484452890
34 ms 128.9.40.13
7 2026-08-25 03:04 639232235157175331
-
6 2026-08-25 02:11 639232203197189095
212 ms 128.9.40.13
5 2026-08-25 01:54 639232192844564298
136 ms 128.9.40.13
4 2026-08-25 01:36 639232182496008942
2119 ms 128.9.40.13
3 2026-08-25 01:19 639232172197053132
114 ms 128.9.40.13
2 2026-08-25 00:26 639232140250307418
-
1 2026-08-25 00:09 639232129927860324
158 ms 128.9.40.13