DNS response history for aad-ns-zw2.austin.utexas.edu

aad-ns-zw2.austin.utexas.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 2026-09-01. For this date, NameServerHistory found 44 DNS check records, 44 successful responses, 0 failed responses, and 404 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 aad-ns-zw2.austin.utexas.edu.
Records on Selected Date

44

Historical checks stored for this nameserver on selected date

Average Latency

404 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-01 15:22

All timestamps shown in UTC

Latest Resolved IP on Selected Date

20.252.31.4

Most recently resolved hosting IP on selected date

Successful Responses

44

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 aad-ns-zw2.austin.utexas.edu

Showing DNS history for 2026-09-01 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
44 2026-09-01 15:22 639238723349432115
140 ms 20.252.31.4
43 2026-09-01 14:28 639238690993873259
139 ms 20.252.31.4
42 2026-09-01 14:11 639238680658140472
141 ms 20.252.31.4
41 2026-09-01 13:53 639238670295233158
134 ms 20.252.31.4
40 2026-09-01 13:36 639238659704397018
140 ms 20.252.31.4
39 2026-09-01 13:19 639238649308394463
246 ms 20.252.31.4
38 2026-09-01 13:01 639238638904588883
321 ms 20.252.31.4
37 2026-09-01 12:44 639238628486902752
230 ms 20.252.31.4
36 2026-09-01 12:26 639238617906743100
140 ms 20.252.31.4
35 2026-09-01 12:09 639238607506044626
140 ms 20.252.31.4
34 2026-09-01 11:51 639238597040761406
148 ms 20.252.31.4
33 2026-09-01 11:34 639238586261546969
139 ms 20.252.31.4
32 2026-09-01 11:16 639238575587642333
161 ms 20.252.31.4
31 2026-09-01 10:22 639238543127398267
129 ms 20.252.31.4
30 2026-09-01 10:04 639238532668234016
219 ms 20.252.31.4
29 2026-09-01 09:47 639238522029321761
183 ms 20.252.31.4
28 2026-09-01 09:29 639238511519050351
2132 ms 20.252.31.4
27 2026-09-01 09:12 639238500942239673
141 ms 20.252.31.4
26 2026-09-01 08:54 639238490412377398
136 ms 20.252.31.4
25 2026-09-01 08:36 639238479833203021
2287 ms 20.252.31.4
24 2026-09-01 08:19 639238469140507479
137 ms 20.252.31.4
23 2026-09-01 08:01 639238458443560361
139 ms 20.252.31.4
22 2026-09-01 07:43 639238447694851502
344 ms 20.252.31.4
21 2026-09-01 07:25 639238436624109087
141 ms 20.252.31.4
20 2026-09-01 07:06 639238425565611335
162 ms 20.252.31.4
19 2026-09-01 06:11 639238392250222581
226 ms 20.252.31.4
18 2026-09-01 05:52 639238381322537831
286 ms 20.252.31.4
17 2026-09-01 05:34 639238370248186084
137 ms 20.252.31.4
16 2026-09-01 05:16 639238359264687845
140 ms 20.252.31.4
15 2026-09-01 04:58 639238348534621818
129 ms 20.252.31.4
14 2026-09-01 04:40 639238337725739433
352 ms 20.252.31.4
13 2026-09-01 04:21 639238326844749368
2166 ms 20.252.31.4
12 2026-09-01 04:03 639238315792024737
128 ms 20.252.31.4
11 2026-09-01 03:45 639238304931064768
134 ms 20.252.31.4
10 2026-09-01 03:27 639238294131483803
132 ms 20.252.31.4
9 2026-09-01 03:09 639238283314985519
161 ms 20.252.31.4
8 2026-09-01 02:51 639238272374093187
132 ms 20.252.31.4
7 2026-09-01 01:57 639238240032549922
2295 ms 20.252.31.4
6 2026-09-01 01:39 639238229204177368
132 ms 20.252.31.4
5 2026-09-01 01:21 639238218326150282
135 ms 20.252.31.4
4 2026-09-01 01:03 639238207574700853
2229 ms 20.252.31.4
3 2026-09-01 00:44 639238196660283915
133 ms 20.252.31.4
2 2026-09-01 00:26 639238185782358546
234 ms 20.252.31.4
1 2026-09-01 00:08 639238175054391781
140 ms 20.252.31.4