History for ns1-21.akam.net
Domain: akam.net • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns1-21.akam.net
ns1-21.akam.net 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 2026-08-27. For this date, NameServerHistory found 13 DNS check records, 13 successful responses, 0 failed responses, and 22 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 ns1-21.akam.net.
Records on Selected Date
13
Historical checks stored for this nameserver on selected date
Average Latency
22 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-27 04:06
All timestamps shown in UTC
Latest Resolved IP on Selected Date
193.108.91.21
Most recently resolved hosting IP on selected date
Successful Responses
13
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 ns1-21.akam.net
Showing DNS history for 2026-08-27 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 |
|---|---|---|---|---|---|
| 13 | 2026-08-27 04:06 | 639234003806017640 |
|
17 ms | 193.108.91.21 |
| 12 | 2026-08-27 03:49 | 639233993356203030 |
|
9 ms | 193.108.91.21 |
| 11 | 2026-08-27 02:55 | 639233961301716608 |
|
39 ms | 193.108.91.21 |
| 10 | 2026-08-27 02:38 | 639233950834200647 |
|
3 ms | 193.108.91.21 |
| 9 | 2026-08-27 02:21 | 639233940431849026 |
|
5 ms | 193.108.91.21 |
| 8 | 2026-08-27 02:03 | 639233930110596398 |
|
48 ms | 193.108.91.21 |
| 7 | 2026-08-27 01:46 | 639233919705434540 |
|
47 ms | 193.108.91.21 |
| 6 | 2026-08-27 01:29 | 639233909452807845 |
|
13 ms | 193.108.91.21 |
| 5 | 2026-08-27 01:12 | 639233899096420820 |
|
36 ms | 193.108.91.21 |
| 4 | 2026-08-27 00:54 | 639233888707824939 |
|
3 ms | 193.108.91.21 |
| 3 | 2026-08-27 00:37 | 639233878461203802 |
|
3 ms | 193.108.91.21 |
| 2 | 2026-08-27 00:20 | 639233868060868209 |
|
7 ms | 193.108.91.21 |
| 1 | 2026-08-27 00:02 | 639233857450922991 |
|
54 ms | 193.108.91.21 |