DNS response history for ns91.tophost.ch

ns91.tophost.ch 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 19 DNS check records, 18 successful responses, 1 failed responses, and 128 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 ns91.tophost.ch.
Records on Selected Date

19

Historical checks stored for this nameserver on selected date

Average Latency

128 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 07:57

All timestamps shown in UTC

Latest Resolved IP on Selected Date

193.33.128.157

Most recently resolved hosting IP on selected date

Successful Responses

18

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

5%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns91.tophost.ch

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
19 2026-08-24 07:57 639231549663595407
13 ms 193.33.128.157
18 2026-08-24 07:04 639231518076817246
49 ms 193.33.128.157
17 2026-08-24 06:48 639231508078650885
5 ms 193.33.128.157
16 2026-08-24 06:31 639231498210697093
29 ms 193.33.128.157
15 2026-08-24 06:14 639231488109699360
16 ms 193.33.128.157
14 2026-08-24 05:22 639231456772510692
-
13 2026-08-24 05:06 639231447084631185
5 ms 193.33.128.157
12 2026-08-24 04:49 639231437208519473
4 ms 193.33.128.157
11 2026-08-24 04:33 639231427209627490
50 ms 193.33.128.157
10 2026-08-24 03:40 639231395791246644
4 ms 193.33.128.157
9 2026-08-24 03:24 639231386075551458
4 ms 193.33.128.157
8 2026-08-24 03:08 639231376208713791
4 ms 193.33.128.157
7 2026-08-24 02:51 639231366170589276
3 ms 193.33.128.157
6 2026-08-24 01:59 639231334732159368
12 ms 193.33.128.157
5 2026-08-24 01:42 639231325035670078
4 ms 193.33.128.157
4 2026-08-24 01:26 639231315132253837
2081 ms 193.33.128.157
3 2026-08-24 01:09 639231305014280808
4 ms 193.33.128.157
2 2026-08-24 00:17 639231273779380675
16 ms 193.33.128.157
1 2026-08-24 00:01 639231264180839154
4 ms 193.33.128.157