DNS response history for mail.optusnet.com.au

mail.optusnet.com.au 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 31 DNS check records, 31 successful responses, 0 failed responses, and 447 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 mail.optusnet.com.au.
Records on Selected Date

31

Historical checks stored for this nameserver on selected date

Average Latency

447 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 10:01

All timestamps shown in UTC

Latest Resolved IP on Selected Date

54.253.41.174

Most recently resolved hosting IP on selected date

Successful Responses

31

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 mail.optusnet.com.au

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
31 2026-08-26 10:01 639233350067824371
36 ms 54.253.41.174
30 2026-08-26 09:44 639233339545274518
2028 ms 54.253.41.174
29 2026-08-26 09:27 639233329214918079
3 ms 54.253.41.174
28 2026-08-26 09:09 639233318749762337
2048 ms 54.253.41.174
27 2026-08-26 08:52 639233308387917838
92 ms 54.253.41.174
26 2026-08-26 08:35 639233297961740122
329 ms 54.253.41.174
25 2026-08-26 08:17 639233287487159094
21 ms 54.253.41.174
24 2026-08-26 08:00 639233276995531707
17 ms 54.253.41.174
23 2026-08-26 07:42 639233266521568229
84 ms 54.253.41.174
22 2026-08-26 07:25 639233256081047431
55 ms 54.253.41.174
21 2026-08-26 06:31 639233223620132921
28 ms 54.253.41.174
20 2026-08-26 06:13 639233213287814244
26 ms 54.253.41.174
19 2026-08-26 05:56 639233202925983161
2009 ms 54.253.41.174
18 2026-08-26 05:39 639233192644780696
391 ms 54.253.41.174
17 2026-08-26 05:22 639233182401183833
145 ms 54.253.41.174
16 2026-08-26 05:05 639233172074181051
15 ms 54.253.41.174
15 2026-08-26 04:48 639233161808421455
5 ms 54.253.41.174
14 2026-08-26 04:30 639233151357344052
2010 ms 54.253.41.174
13 2026-08-26 04:13 639233141034116946
43 ms 54.253.41.174
12 2026-08-26 03:56 639233130828334142
2 ms 54.253.41.174
11 2026-08-26 03:39 639233120373450007
311 ms 54.253.41.174
10 2026-08-26 03:21 639233110066216193
3 ms 54.253.41.174
9 2026-08-26 02:28 639233078065410564
2012 ms 54.253.41.174
8 2026-08-26 02:11 639233067787457832
19 ms 54.253.41.174
7 2026-08-26 01:54 639233057501801162
25 ms 54.253.41.174
6 2026-08-26 01:36 639233047089431703
8 ms 54.253.41.174
5 2026-08-26 01:19 639233036754790688
18 ms 54.253.41.174
4 2026-08-26 01:02 639233026412602472
19 ms 54.253.41.174
3 2026-08-26 00:45 639233016064066127
36 ms 54.253.41.174
2 2026-08-26 00:28 639233005922655772
20 ms 54.253.41.174
1 2026-08-26 00:11 639232995672256907
2008 ms 54.253.41.174