DNS response history for a.ns.ihp.sinica.edu.tw

a.ns.ihp.sinica.edu.tw 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 16 DNS check records, 13 successful responses, 3 failed responses, and 1191 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 a.ns.ihp.sinica.edu.tw.
Records on Selected Date

16

Historical checks stored for this nameserver on selected date

Average Latency

1191 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 04:57

All timestamps shown in UTC

Latest Resolved IP on Selected Date

140.109.1.5

Most recently resolved hosting IP on selected date

Successful Responses

13

Checks that returned a measurable response

Failed Responses

3

Checks with no response or no returned latency

Failure Rate

19%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for a.ns.ihp.sinica.edu.tw

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
16 2026-08-27 04:57 639234024739225358
718 ms 140.109.1.5
15 2026-08-27 04:40 639234014311170162
258 ms 140.109.1.5
14 2026-08-27 04:23 639234003806017640
-
13 2026-08-27 04:05 639233993356203030
5274 ms 140.109.1.5
12 2026-08-27 03:11 639233961301716608
1416 ms 140.109.1.5
11 2026-08-27 02:54 639233950834200647
1245 ms 140.109.1.5
10 2026-08-27 02:37 639233940431849026
1226 ms 140.109.1.5
9 2026-08-27 02:19 639233930110596398
282 ms 140.109.1.5
8 2026-08-27 02:02 639233919705434540
253 ms 140.109.1.5
7 2026-08-27 01:45 639233909452807845
-
6 2026-08-27 01:28 639233899096420820
-
5 2026-08-27 01:11 639233888707824939
447 ms 140.109.1.5
4 2026-08-27 00:53 639233878461203802
415 ms 140.109.1.5
3 2026-08-27 00:36 639233868060868209
757 ms 140.109.1.5
2 2026-08-27 00:19 639233857450922991
255 ms 140.109.1.5
1 2026-08-27 00:01 639233846871926285
2937 ms 140.109.1.5