DNS response history for adns4.ironport.com

adns4.ironport.com 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 41 DNS check records, 40 successful responses, 1 failed responses, and 224 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 adns4.ironport.com.
Records on Selected Date

41

Historical checks stored for this nameserver on selected date

Average Latency

224 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 13:27

All timestamps shown in UTC

Latest Resolved IP on Selected Date

184.94.240.168

Most recently resolved hosting IP on selected date

Successful Responses

40

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 adns4.ironport.com

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
41 2026-08-26 13:27 639233476455174682
-
40 2026-08-26 13:10 639233466171592605
2046 ms 184.94.240.168
39 2026-08-26 12:53 639233455747096265
40 ms 184.94.240.168
38 2026-08-26 12:35 639233445367152284
23 ms 184.94.240.168
37 2026-08-26 12:18 639233434974187439
7 ms 184.94.240.168
36 2026-08-26 12:01 639233424567558554
58 ms 184.94.240.168
35 2026-08-26 11:43 639233414056832719
8 ms 184.94.240.168
34 2026-08-26 11:26 639233403515141099
113 ms 184.94.240.168
33 2026-08-26 10:31 639233370841350248
5 ms 184.94.240.168
32 2026-08-26 10:14 639233360361507238
19 ms 184.94.240.168
31 2026-08-26 09:56 639233350067824371
40 ms 184.94.240.168
30 2026-08-26 09:39 639233339545274518
67 ms 184.94.240.168
29 2026-08-26 09:22 639233329214918079
5 ms 184.94.240.168
28 2026-08-26 09:04 639233318749762337
5 ms 184.94.240.168
27 2026-08-26 08:47 639233308387917838
5 ms 184.94.240.168
26 2026-08-26 08:30 639233297961740122
24 ms 184.94.240.168
25 2026-08-26 08:12 639233287487159094
2023 ms 184.94.240.168
24 2026-08-26 07:55 639233276995531707
37 ms 184.94.240.168
23 2026-08-26 07:37 639233266521568229
8 ms 184.94.240.168
22 2026-08-26 07:20 639233256081047431
2025 ms 184.94.240.168
21 2026-08-26 06:26 639233223620132921
7 ms 184.94.240.168
20 2026-08-26 06:09 639233213287814244
4 ms 184.94.240.168
19 2026-08-26 05:51 639233202925983161
8 ms 184.94.240.168
18 2026-08-26 05:34 639233192644780696
13 ms 184.94.240.168
17 2026-08-26 05:17 639233182401183833
39 ms 184.94.240.168
16 2026-08-26 05:00 639233172074181051
12 ms 184.94.240.168
15 2026-08-26 04:43 639233161808421455
4 ms 184.94.240.168
14 2026-08-26 04:25 639233151357344052
56 ms 184.94.240.168
13 2026-08-26 04:08 639233141034116946
23 ms 184.94.240.168
12 2026-08-26 03:51 639233130828334142
6 ms 184.94.240.168
11 2026-08-26 03:34 639233120373450007
2013 ms 184.94.240.168
10 2026-08-26 03:17 639233110066216193
46 ms 184.94.240.168
9 2026-08-26 02:23 639233078065410564
44 ms 184.94.240.168
8 2026-08-26 02:06 639233067787457832
31 ms 184.94.240.168
7 2026-08-26 01:49 639233057501801162
29 ms 184.94.240.168
6 2026-08-26 01:32 639233047089431703
4 ms 184.94.240.168
5 2026-08-26 01:14 639233036754790688
11 ms 184.94.240.168
4 2026-08-26 00:57 639233026412602472
14 ms 184.94.240.168
3 2026-08-26 00:40 639233016064066127
4 ms 184.94.240.168
2 2026-08-26 00:23 639233005922655772
38 ms 184.94.240.168
1 2026-08-26 00:06 639232995672256907
4 ms 184.94.240.168