DNS response history for dns1.as.ucsb.edu

dns1.as.ucsb.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 2026-08-27. For this date, NameServerHistory found 21 DNS check records, 21 successful responses, 0 failed responses, and 177 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 dns1.as.ucsb.edu.
Records on Selected Date

21

Historical checks stored for this nameserver on selected date

Average Latency

177 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 06:33

All timestamps shown in UTC

Latest Resolved IP on Selected Date

128.111.143.254

Most recently resolved hosting IP on selected date

Successful Responses

21

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 dns1.as.ucsb.edu

Showing DNS history for 2026-08-27 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
21 2026-08-27 06:33 639234086579410775
92 ms 128.111.143.254
20 2026-08-27 06:15 639234076291157956
92 ms 128.111.143.254
19 2026-08-27 05:58 639234065981939454
287 ms 128.111.143.254
18 2026-08-27 05:41 639234055548642997
98 ms 128.111.143.254
17 2026-08-27 05:24 639234045267979603
92 ms 128.111.143.254
16 2026-08-27 05:07 639234034999717463
138 ms 128.111.143.254
15 2026-08-27 04:49 639234024739225358
91 ms 128.111.143.254
14 2026-08-27 04:32 639234014311170162
186 ms 128.111.143.254
13 2026-08-27 04:15 639234003806017640
185 ms 128.111.143.254
12 2026-08-27 03:57 639233993356203030
369 ms 128.111.143.254
11 2026-08-27 03:04 639233961301716608
202 ms 128.111.143.254
10 2026-08-27 02:47 639233950834200647
176 ms 128.111.143.254
9 2026-08-27 02:29 639233940431849026
256 ms 128.111.143.254
8 2026-08-27 02:12 639233930110596398
186 ms 128.111.143.254
7 2026-08-27 01:55 639233919705434540
95 ms 128.111.143.254
6 2026-08-27 01:37 639233909452807845
105 ms 128.111.143.254
5 2026-08-27 01:20 639233899096420820
340 ms 128.111.143.254
4 2026-08-27 01:03 639233888707824939
252 ms 128.111.143.254
3 2026-08-27 00:46 639233878461203802
95 ms 128.111.143.254
2 2026-08-27 00:28 639233868060868209
95 ms 128.111.143.254
1 2026-08-27 00:11 639233857450922991
293 ms 128.111.143.254