DNS response history for dns2.uiowa.edu

dns2.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 2026-08-24. For this date, NameServerHistory found 50 DNS check records, 49 successful responses, 1 failed responses, and 75 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 dns2.uiowa.edu.
Records on Selected Date

50

Historical checks stored for this nameserver on selected date

Average Latency

75 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 20:57

All timestamps shown in UTC

Latest Resolved IP on Selected Date

128.255.64.26

Most recently resolved hosting IP on selected date

Successful Responses

49

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 dns2.uiowa.edu

Showing DNS history for 2026-08-24 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
50 2026-08-24 20:57 639232014356623395
13 ms 128.255.64.26
49 2026-08-24 20:40 639232004177831322
5 ms 128.255.64.26
48 2026-08-24 20:23 639231993997863976
21 ms 128.255.64.26
47 2026-08-24 20:06 639231983967363696
34 ms 128.255.64.26
46 2026-08-24 19:13 639231952257842845
40 ms 128.255.64.26
45 2026-08-24 18:57 639231942277816756
10 ms 128.255.64.26
44 2026-08-24 18:40 639231932094180724
16 ms 128.255.64.26
43 2026-08-24 18:23 639231922041034838
4 ms 128.255.64.26
42 2026-08-24 17:30 639231890488117536
8 ms 128.255.64.26
41 2026-08-24 17:14 639231880574255543
8 ms 128.255.64.26
40 2026-08-24 16:57 639231870418029045
36 ms 128.255.64.26
39 2026-08-24 16:40 639231860258429562
89 ms 128.255.64.26
38 2026-08-24 15:47 639231828211839931
11 ms 128.255.64.26
37 2026-08-24 15:30 639231818080917481
11 ms 128.255.64.26
36 2026-08-24 15:13 639231807961539652
15 ms 128.255.64.26
35 2026-08-24 14:56 639231797631669865
25 ms 128.255.64.26
34 2026-08-24 14:03 639231765923559455
32 ms 128.255.64.26
33 2026-08-24 13:46 639231755868832964
17 ms 128.255.64.26
32 2026-08-24 13:29 639231745628278877
8 ms 128.255.64.26
31 2026-08-24 13:12 639231735407682062
88 ms 128.255.64.26
30 2026-08-24 12:19 639231703815441688
175 ms 128.255.64.26
29 2026-08-24 12:02 639231693747052549
33 ms 128.255.64.26
28 2026-08-24 11:46 639231683712487276
31 ms 128.255.64.26
27 2026-08-24 11:29 639231673513573868
14 ms 128.255.64.26
26 2026-08-24 10:36 639231641791249939
14 ms 128.255.64.26
25 2026-08-24 10:19 639231631866211033
23 ms 128.255.64.26
24 2026-08-24 10:02 639231621644955316
13 ms 128.255.64.26
23 2026-08-24 09:45 639231611478799259
9 ms 128.255.64.26
22 2026-08-24 08:53 639231579923718211
22 ms 128.255.64.26
21 2026-08-24 08:36 639231569810702936
10 ms 128.255.64.26
20 2026-08-24 08:19 639231559762411619
-
19 2026-08-24 08:02 639231549663595407
6 ms 128.255.64.26
18 2026-08-24 07:10 639231518076817246
17 ms 128.255.64.26
17 2026-08-24 06:53 639231508078650885
18 ms 128.255.64.26
16 2026-08-24 06:36 639231498210697093
238 ms 128.255.64.26
15 2026-08-24 06:20 639231488109699360
7 ms 128.255.64.26
14 2026-08-24 05:27 639231456772510692
2 ms 128.255.64.26
13 2026-08-24 05:11 639231447084631185
248 ms 128.255.64.26
12 2026-08-24 04:55 639231437208519473
22 ms 128.255.64.26
11 2026-08-24 04:38 639231427209627490
9 ms 128.255.64.26
10 2026-08-24 03:46 639231395791246644
9 ms 128.255.64.26
9 2026-08-24 03:30 639231386075551458
8 ms 128.255.64.26
8 2026-08-24 03:13 639231376208713791
7 ms 128.255.64.26
7 2026-08-24 02:56 639231366170589276
119 ms 128.255.64.26
6 2026-08-24 02:04 639231334732159368
37 ms 128.255.64.26
5 2026-08-24 01:48 639231325035670078
11 ms 128.255.64.26
4 2026-08-24 01:31 639231315132253837
41 ms 128.255.64.26
3 2026-08-24 01:15 639231305014280808
18 ms 128.255.64.26
2 2026-08-24 00:22 639231273779380675
7 ms 128.255.64.26
1 2026-08-24 00:06 639231264180839154
2008 ms 128.255.64.26