DNS response history for ns1.irsdefense.com

ns1.irsdefense.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 34 DNS check records, 34 successful responses, 0 failed responses, and 433 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 ns1.irsdefense.com.
Records on Selected Date

34

Historical checks stored for this nameserver on selected date

Average Latency

433 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 10:44

All timestamps shown in UTC

Latest Resolved IP on Selected Date

192.254.157.113

Most recently resolved hosting IP on selected date

Successful Responses

34

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 ns1.irsdefense.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
34 2026-08-26 10:44 639233370841350248
4 ms 192.254.157.113
33 2026-08-26 10:27 639233360361507238
351 ms 192.254.157.113
32 2026-08-26 10:10 639233350067824371
354 ms 192.254.157.113
31 2026-08-26 09:53 639233339545274518
357 ms 192.254.157.113
30 2026-08-26 09:35 639233329214918079
345 ms 192.254.157.113
29 2026-08-26 09:18 639233318749762337
187 ms 192.254.157.113
28 2026-08-26 09:00 639233308387917838
370 ms 192.254.157.113
27 2026-08-26 08:43 639233297961740122
375 ms 192.254.157.113
26 2026-08-26 08:26 639233287487159094
379 ms 192.254.157.113
25 2026-08-26 08:08 639233276995531707
203 ms 192.254.157.113
24 2026-08-26 07:51 639233266521568229
377 ms 192.254.157.113
23 2026-08-26 07:33 639233256081047431
350 ms 192.254.157.113
22 2026-08-26 06:39 639233223620132921
351 ms 192.254.157.113
21 2026-08-26 06:22 639233213287814244
33 ms 192.254.157.113
20 2026-08-26 06:05 639233202925983161
352 ms 192.254.157.113
19 2026-08-26 05:48 639233192644780696
348 ms 192.254.157.113
18 2026-08-26 05:30 639233182401183833
2175 ms 192.254.157.113
17 2026-08-26 05:13 639233172074181051
347 ms 192.254.157.113
16 2026-08-26 04:56 639233161808421455
351 ms 192.254.157.113
15 2026-08-26 04:39 639233151357344052
348 ms 192.254.157.113
14 2026-08-26 04:22 639233141034116946
350 ms 192.254.157.113
13 2026-08-26 04:04 639233130828334142
348 ms 192.254.157.113
12 2026-08-26 03:47 639233120373450007
346 ms 192.254.157.113
11 2026-08-26 03:30 639233110066216193
352 ms 192.254.157.113
10 2026-08-26 02:37 639233078065410564
348 ms 192.254.157.113
9 2026-08-26 02:19 639233067787457832
349 ms 192.254.157.113
8 2026-08-26 02:02 639233057501801162
351 ms 192.254.157.113
7 2026-08-26 01:45 639233047089431703
2226 ms 192.254.157.113
6 2026-08-26 01:28 639233036754790688
351 ms 192.254.157.113
5 2026-08-26 01:11 639233026412602472
347 ms 192.254.157.113
4 2026-08-26 00:53 639233016064066127
350 ms 192.254.157.113
3 2026-08-26 00:36 639233005922655772
352 ms 192.254.157.113
2 2026-08-26 00:19 639232995672256907
351 ms 192.254.157.113
1 2026-08-26 00:02 639232985300872416
352 ms 192.254.157.113