DNS response history for ns4.arizona.edu

ns4.arizona.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 37 DNS check records, 36 successful responses, 1 failed responses, and 363 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.arizona.edu.
Records on Selected Date

37

Historical checks stored for this nameserver on selected date

Average Latency

363 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 12:52

All timestamps shown in UTC

Latest Resolved IP on Selected Date

52.8.207.137

Most recently resolved hosting IP on selected date

Successful Responses

36

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

3%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns4.arizona.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
37 2026-08-25 12:52 639232587225721862
173 ms 52.8.207.137
36 2026-08-25 12:35 639232576780683689
179 ms 52.8.207.137
35 2026-08-25 12:18 639232566381512620
14 ms 52.8.207.137
34 2026-08-25 12:00 639232556111768563
184 ms 52.8.207.137
33 2026-08-25 11:43 639232545839529039
159 ms 52.8.207.137
32 2026-08-25 11:26 639232535349285207
332 ms 52.8.207.137
31 2026-08-25 11:09 639232524938080723
177 ms 52.8.207.137
30 2026-08-25 10:15 639232492740373468
198 ms 52.8.207.137
29 2026-08-25 09:58 639232482235303141
180 ms 52.8.207.137
28 2026-08-25 09:40 639232471861770303
188 ms 52.8.207.137
27 2026-08-25 09:23 639232461630217327
8 ms 52.8.207.137
26 2026-08-25 09:06 639232451282965990
10 ms 52.8.207.137
25 2026-08-25 08:48 639232440814614938
33 ms 52.8.207.137
24 2026-08-25 08:31 639232430410720425
169 ms 52.8.207.137
23 2026-08-25 08:14 639232420003096185
181 ms 52.8.207.137
22 2026-08-25 07:56 639232409467287444
2171 ms 52.8.207.137
21 2026-08-25 07:39 639232399077195997
171 ms 52.8.207.137
20 2026-08-25 07:22 639232388731528337
162 ms 52.8.207.137
19 2026-08-25 07:04 639232378288598612
158 ms 52.8.207.137
18 2026-08-25 06:11 639232346196373643
2165 ms 52.8.207.137
17 2026-08-25 05:54 639232336112370741
160 ms 52.8.207.137
16 2026-08-25 05:37 639232326146508970
162 ms 52.8.207.137
15 2026-08-25 05:21 639232316189381720
9 ms 52.8.207.137
14 2026-08-25 05:04 639232306217998913
2167 ms 52.8.207.137
13 2026-08-25 04:47 639232296255744174
2159 ms 52.8.207.137
12 2026-08-25 04:31 639232286095760789
193 ms 52.8.207.137
11 2026-08-25 04:14 639232276086186273
27 ms 52.8.207.137
10 2026-08-25 03:57 639232265900986425
167 ms 52.8.207.137
9 2026-08-25 03:40 639232255723518075
182 ms 52.8.207.137
8 2026-08-25 03:23 639232245484452890
183 ms 52.8.207.137
7 2026-08-25 03:06 639232235157175331
10 ms 52.8.207.137
6 2026-08-25 02:12 639232203197189095
71 ms 52.8.207.137
5 2026-08-25 01:55 639232192844564298
163 ms 52.8.207.137
4 2026-08-25 01:38 639232182496008942
-
3 2026-08-25 01:21 639232172197053132
193 ms 52.8.207.137
2 2026-08-25 00:27 639232140250307418
21 ms 52.8.207.137
1 2026-08-25 00:10 639232129927860324
173 ms 52.8.207.137