DNS response history for adns1-dev.nnn.upenn.edu

adns1-dev.nnn.upenn.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 2026-08-26. For this date, NameServerHistory found 19 DNS check records, 19 successful responses, 0 failed responses, and 30 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 adns1-dev.nnn.upenn.edu.
Records on Selected Date

19

Historical checks stored for this nameserver on selected date

Average Latency

30 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 05:58

All timestamps shown in UTC

Latest Resolved IP on Selected Date

130.91.185.194

Most recently resolved hosting IP on selected date

Successful Responses

19

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 adns1-dev.nnn.upenn.edu

Showing DNS history for 2026-08-26 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
19 2026-08-26 05:58 639233202925983161
11 ms 130.91.185.194
18 2026-08-26 05:41 639233192644780696
15 ms 130.91.185.194
17 2026-08-26 05:24 639233182401183833
13 ms 130.91.185.194
16 2026-08-26 05:07 639233172074181051
17 ms 130.91.185.194
15 2026-08-26 04:50 639233161808421455
20 ms 130.91.185.194
14 2026-08-26 04:32 639233151357344052
15 ms 130.91.185.194
13 2026-08-26 04:15 639233141034116946
20 ms 130.91.185.194
12 2026-08-26 03:58 639233130828334142
285 ms 130.91.185.194
11 2026-08-26 03:41 639233120373450007
15 ms 130.91.185.194
10 2026-08-26 03:24 639233110066216193
16 ms 130.91.185.194
9 2026-08-26 02:30 639233078065410564
10 ms 130.91.185.194
8 2026-08-26 02:13 639233067787457832
7 ms 130.91.185.194
7 2026-08-26 01:56 639233057501801162
15 ms 130.91.185.194
6 2026-08-26 01:39 639233047089431703
16 ms 130.91.185.194
5 2026-08-26 01:21 639233036754790688
16 ms 130.91.185.194
4 2026-08-26 01:04 639233026412602472
29 ms 130.91.185.194
3 2026-08-26 00:47 639233016064066127
14 ms 130.91.185.194
2 2026-08-26 00:30 639233005922655772
7 ms 130.91.185.194
1 2026-08-26 00:13 639232995672256907
26 ms 130.91.185.194