History for dns1.o2school.co.kr
Domain: o2school.co.kr • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns1.o2school.co.kr
dns1.o2school.co.kr 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 18 DNS check records, 18 successful responses, 0 failed responses, and 1200 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 dns1.o2school.co.kr.
Records on Selected Date
18
Historical checks stored for this nameserver on selected date
Average Latency
1200 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-27 05:30
All timestamps shown in UTC
Latest Resolved IP on Selected Date
14.63.225.15
Most recently resolved hosting IP on selected date
Successful Responses
18
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 dns1.o2school.co.kr
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 |
|---|---|---|---|---|---|
| 18 | 2026-08-27 05:30 | 639234045267979603 |
|
1161 ms | 14.63.225.15 |
| 17 | 2026-08-27 05:13 | 639234034999717463 |
|
1185 ms | 14.63.225.15 |
| 16 | 2026-08-27 04:56 | 639234024739225358 |
|
1158 ms | 14.63.225.15 |
| 15 | 2026-08-27 04:39 | 639234014311170162 |
|
1188 ms | 14.63.225.15 |
| 14 | 2026-08-27 04:22 | 639234003806017640 |
|
1160 ms | 14.63.225.15 |
| 13 | 2026-08-27 04:04 | 639233993356203030 |
|
1161 ms | 14.63.225.15 |
| 12 | 2026-08-27 03:11 | 639233961301716608 |
|
1144 ms | 14.63.225.15 |
| 11 | 2026-08-27 02:53 | 639233950834200647 |
|
1467 ms | 14.63.225.15 |
| 10 | 2026-08-27 02:36 | 639233940431849026 |
|
1163 ms | 14.63.225.15 |
| 9 | 2026-08-27 02:19 | 639233930110596398 |
|
1169 ms | 14.63.225.15 |
| 8 | 2026-08-27 02:01 | 639233919705434540 |
|
1151 ms | 14.63.225.15 |
| 7 | 2026-08-27 01:44 | 639233909452807845 |
|
1165 ms | 14.63.225.15 |
| 6 | 2026-08-27 01:27 | 639233899096420820 |
|
1195 ms | 14.63.225.15 |
| 5 | 2026-08-27 01:10 | 639233888707824939 |
|
1174 ms | 14.63.225.15 |
| 4 | 2026-08-27 00:52 | 639233878461203802 |
|
1155 ms | 14.63.225.15 |
| 3 | 2026-08-27 00:35 | 639233868060868209 |
|
1458 ms | 14.63.225.15 |
| 2 | 2026-08-27 00:18 | 639233857450922991 |
|
1181 ms | 14.63.225.15 |
| 1 | 2026-08-27 00:00 | 639233846871926285 |
|
1167 ms | 14.63.225.15 |