History for ns-ext.isc.org
Domain: isc.org • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns-ext.isc.org
ns-ext.isc.org 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 2026-08-24. For this date, NameServerHistory found 29 DNS check records, 29 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 ns-ext.isc.org.
Records on Selected Date
29
Historical checks stored for this nameserver on selected date
Average Latency
177 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-24 12:01
All timestamps shown in UTC
Latest Resolved IP on Selected Date
149.20.2.126
Most recently resolved hosting IP on selected date
Successful Responses
29
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 ns-ext.isc.org
Showing DNS history for 2026-08-24 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 |
|---|---|---|---|---|---|
| 29 | 2026-08-24 12:01 | 639231693747052549 |
|
33 ms | 149.20.2.126 |
| 28 | 2026-08-24 11:44 | 639231683712487276 |
|
451 ms | 149.20.2.126 |
| 27 | 2026-08-24 11:27 | 639231673513573868 |
|
23 ms | 149.20.2.126 |
| 26 | 2026-08-24 10:34 | 639231641791249939 |
|
32 ms | 149.20.2.126 |
| 25 | 2026-08-24 10:18 | 639231631866211033 |
|
25 ms | 149.20.2.126 |
| 24 | 2026-08-24 10:01 | 639231621644955316 |
|
25 ms | 149.20.2.126 |
| 23 | 2026-08-24 09:44 | 639231611478799259 |
|
33 ms | 149.20.2.126 |
| 22 | 2026-08-24 08:52 | 639231579923718211 |
|
9 ms | 149.20.2.126 |
| 21 | 2026-08-24 08:35 | 639231569810702936 |
|
11 ms | 149.20.2.126 |
| 20 | 2026-08-24 08:18 | 639231559762411619 |
|
39 ms | 149.20.2.126 |
| 19 | 2026-08-24 08:01 | 639231549663595407 |
|
11 ms | 149.20.2.126 |
| 18 | 2026-08-24 07:08 | 639231518076817246 |
|
14 ms | 149.20.2.126 |
| 17 | 2026-08-24 06:52 | 639231508078650885 |
|
14 ms | 149.20.2.126 |
| 16 | 2026-08-24 06:35 | 639231498210697093 |
|
22 ms | 149.20.2.126 |
| 15 | 2026-08-24 06:19 | 639231488109699360 |
|
4 ms | 149.20.2.126 |
| 14 | 2026-08-24 05:26 | 639231456772510692 |
|
11 ms | 149.20.2.126 |
| 13 | 2026-08-24 05:10 | 639231447084631185 |
|
28 ms | 149.20.2.126 |
| 12 | 2026-08-24 04:54 | 639231437208519473 |
|
2020 ms | 149.20.2.126 |
| 11 | 2026-08-24 04:37 | 639231427209627490 |
|
4 ms | 149.20.2.126 |
| 10 | 2026-08-24 03:44 | 639231395791246644 |
|
18 ms | 149.20.2.126 |
| 9 | 2026-08-24 03:28 | 639231386075551458 |
|
2171 ms | 149.20.2.126 |
| 8 | 2026-08-24 03:12 | 639231376208713791 |
|
2 ms | 149.20.2.126 |
| 7 | 2026-08-24 02:55 | 639231366170589276 |
|
7 ms | 149.20.2.126 |
| 6 | 2026-08-24 02:03 | 639231334732159368 |
|
20 ms | 149.20.2.126 |
| 5 | 2026-08-24 01:47 | 639231325035670078 |
|
13 ms | 149.20.2.126 |
| 4 | 2026-08-24 01:30 | 639231315132253837 |
|
15 ms | 149.20.2.126 |
| 3 | 2026-08-24 01:13 | 639231305014280808 |
|
15 ms | 149.20.2.126 |
| 2 | 2026-08-24 00:21 | 639231273779380675 |
|
35 ms | 149.20.2.126 |
| 1 | 2026-08-24 00:05 | 639231264180839154 |
|
15 ms | 149.20.2.126 |