History for dns-ext-itf-1.uiowa.edu
Domain: uiowa.edu • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns-ext-itf-1.uiowa.edu
dns-ext-itf-1.uiowa.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 56 DNS check records, 56 successful responses, 0 failed responses, and 191 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 dns-ext-itf-1.uiowa.edu.
Records on Selected Date
56
Historical checks stored for this nameserver on selected date
Average Latency
191 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 19:35
All timestamps shown in UTC
Latest Resolved IP on Selected Date
128.255.3.37
Most recently resolved hosting IP on selected date
Successful Responses
56
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 dns-ext-itf-1.uiowa.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 |
|---|---|---|---|---|---|
| 56 | 2026-08-25 19:35 | 639232828175327683 |
|
4 ms | 128.255.3.37 |
| 55 | 2026-08-25 19:17 | 639232817798330473 |
|
25 ms | 128.255.3.37 |
| 54 | 2026-08-25 18:24 | 639232785462407552 |
|
9 ms | 128.255.3.37 |
| 53 | 2026-08-25 18:07 | 639232775177487032 |
|
2069 ms | 128.255.3.37 |
| 52 | 2026-08-25 17:49 | 639232764991087115 |
|
6 ms | 128.255.3.37 |
| 51 | 2026-08-25 17:32 | 639232754842971478 |
|
18 ms | 128.255.3.37 |
| 50 | 2026-08-25 17:15 | 639232744455159107 |
|
5 ms | 128.255.3.37 |
| 49 | 2026-08-25 16:58 | 639232734145178231 |
|
13 ms | 128.255.3.37 |
| 48 | 2026-08-25 16:41 | 639232723827874402 |
|
9 ms | 128.255.3.37 |
| 47 | 2026-08-25 16:24 | 639232713533011892 |
|
6 ms | 128.255.3.37 |
| 46 | 2026-08-25 16:06 | 639232703065318207 |
|
19 ms | 128.255.3.37 |
| 45 | 2026-08-25 15:49 | 639232692629559470 |
|
28 ms | 128.255.3.37 |
| 44 | 2026-08-25 15:32 | 639232682238836475 |
|
6 ms | 128.255.3.37 |
| 43 | 2026-08-25 15:14 | 639232671787004306 |
|
21 ms | 128.255.3.37 |
| 42 | 2026-08-25 14:20 | 639232638994329666 |
|
12 ms | 128.255.3.37 |
| 41 | 2026-08-25 14:02 | 639232628614783237 |
|
21 ms | 128.255.3.37 |
| 40 | 2026-08-25 13:45 | 639232618360728578 |
|
28 ms | 128.255.3.37 |
| 39 | 2026-08-25 13:28 | 639232608016476376 |
|
210 ms | 128.255.3.37 |
| 38 | 2026-08-25 13:11 | 639232597643611557 |
|
5 ms | 128.255.3.37 |
| 37 | 2026-08-25 12:53 | 639232587225721862 |
|
8 ms | 128.255.3.37 |
| 36 | 2026-08-25 12:36 | 639232576780683689 |
|
8 ms | 128.255.3.37 |
| 35 | 2026-08-25 12:18 | 639232566381512620 |
|
9 ms | 128.255.3.37 |
| 34 | 2026-08-25 12:01 | 639232556111768563 |
|
19 ms | 128.255.3.37 |
| 33 | 2026-08-25 11:44 | 639232545839529039 |
|
7 ms | 128.255.3.37 |
| 32 | 2026-08-25 11:27 | 639232535349285207 |
|
37 ms | 128.255.3.37 |
| 31 | 2026-08-25 11:09 | 639232524938080723 |
|
6 ms | 128.255.3.37 |
| 30 | 2026-08-25 10:16 | 639232492740373468 |
|
10 ms | 128.255.3.37 |
| 29 | 2026-08-25 09:58 | 639232482235303141 |
|
13 ms | 128.255.3.37 |
| 28 | 2026-08-25 09:41 | 639232471861770303 |
|
33 ms | 128.255.3.37 |
| 27 | 2026-08-25 09:24 | 639232461630217327 |
|
14 ms | 128.255.3.37 |
| 26 | 2026-08-25 09:07 | 639232451282965990 |
|
10 ms | 128.255.3.37 |
| 25 | 2026-08-25 08:49 | 639232440814614938 |
|
5 ms | 128.255.3.37 |
| 24 | 2026-08-25 08:32 | 639232430410720425 |
|
119 ms | 128.255.3.37 |
| 23 | 2026-08-25 08:15 | 639232420003096185 |
|
7 ms | 128.255.3.37 |
| 22 | 2026-08-25 07:57 | 639232409467287444 |
|
12 ms | 128.255.3.37 |
| 21 | 2026-08-25 07:40 | 639232399077195997 |
|
31 ms | 128.255.3.37 |
| 20 | 2026-08-25 07:22 | 639232388731528337 |
|
2015 ms | 128.255.3.37 |
| 19 | 2026-08-25 07:05 | 639232378288598612 |
|
5 ms | 128.255.3.37 |
| 18 | 2026-08-25 06:11 | 639232346196373643 |
|
35 ms | 128.255.3.37 |
| 17 | 2026-08-25 05:55 | 639232336112370741 |
|
2013 ms | 128.255.3.37 |
| 16 | 2026-08-25 05:38 | 639232326146508970 |
|
3 ms | 128.255.3.37 |
| 15 | 2026-08-25 05:21 | 639232316189381720 |
|
8 ms | 128.255.3.37 |
| 14 | 2026-08-25 05:05 | 639232306217998913 |
|
9 ms | 128.255.3.37 |
| 13 | 2026-08-25 04:48 | 639232296255744174 |
|
10 ms | 128.255.3.37 |
| 12 | 2026-08-25 04:31 | 639232286095760789 |
|
1559 ms | 128.255.3.37 |
| 11 | 2026-08-25 04:14 | 639232276086186273 |
|
9 ms | 128.255.3.37 |
| 10 | 2026-08-25 03:58 | 639232265900986425 |
|
4 ms | 128.255.3.37 |
| 9 | 2026-08-25 03:41 | 639232255723518075 |
|
35 ms | 128.255.3.37 |
| 8 | 2026-08-25 03:24 | 639232245484452890 |
|
25 ms | 128.255.3.37 |
| 7 | 2026-08-25 03:06 | 639232235157175331 |
|
22 ms | 128.255.3.37 |
| 6 | 2026-08-25 02:13 | 639232203197189095 |
|
32 ms | 128.255.3.37 |
| 5 | 2026-08-25 01:56 | 639232192844564298 |
|
13 ms | 128.255.3.37 |
| 4 | 2026-08-25 01:39 | 639232182496008942 |
|
2010 ms | 128.255.3.37 |
| 3 | 2026-08-25 01:21 | 639232172197053132 |
|
4 ms | 128.255.3.37 |
| 2 | 2026-08-25 00:28 | 639232140250307418 |
|
16 ms | 128.255.3.37 |
| 1 | 2026-08-25 00:11 | 639232129927860324 |
|
33 ms | 128.255.3.37 |