DNS response history for ns1.retzmann.koeln

ns1.retzmann.koeln 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 2026-08-25. For this date, NameServerHistory found 35 DNS check records, 34 successful responses, 1 failed responses, and 274 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.retzmann.koeln.
Records on Selected Date

35

Historical checks stored for this nameserver on selected date

Average Latency

274 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 12:12

All timestamps shown in UTC

Latest Resolved IP on Selected Date

185.228.139.170

Most recently resolved hosting IP on selected date

Successful Responses

34

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

3%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns1.retzmann.koeln

Showing DNS history for 2026-08-25 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
35 2026-08-25 12:12 639232566381512620
42 ms 185.228.139.170
34 2026-08-25 11:55 639232556111768563
39 ms 185.228.139.170
33 2026-08-25 11:37 639232545839529039
42 ms 185.228.139.170
32 2026-08-25 11:20 639232535349285207
55 ms 185.228.139.170
31 2026-08-25 11:03 639232524938080723
87 ms 185.228.139.170
30 2026-08-25 10:09 639232492740373468
15 ms 185.228.139.170
29 2026-08-25 09:52 639232482235303141
-
28 2026-08-25 09:34 639232471861770303
45 ms 185.228.139.170
27 2026-08-25 09:17 639232461630217327
28 ms 185.228.139.170
26 2026-08-25 09:00 639232451282965990
2041 ms 185.228.139.170
25 2026-08-25 08:42 639232440814614938
37 ms 185.228.139.170
24 2026-08-25 08:25 639232430410720425
33 ms 185.228.139.170
23 2026-08-25 08:08 639232420003096185
46 ms 185.228.139.170
22 2026-08-25 07:50 639232409467287444
116 ms 185.228.139.170
21 2026-08-25 07:33 639232399077195997
107 ms 185.228.139.170
20 2026-08-25 07:16 639232388731528337
98 ms 185.228.139.170
19 2026-08-25 06:58 639232378288598612
48 ms 185.228.139.170
18 2026-08-25 06:05 639232346196373643
98 ms 185.228.139.170
17 2026-08-25 05:48 639232336112370741
46 ms 185.228.139.170
16 2026-08-25 05:31 639232326146508970
41 ms 185.228.139.170
15 2026-08-25 05:15 639232316189381720
56 ms 185.228.139.170
14 2026-08-25 04:58 639232306217998913
12 ms 185.228.139.170
13 2026-08-25 04:42 639232296255744174
13 ms 185.228.139.170
12 2026-08-25 04:25 639232286095760789
60 ms 185.228.139.170
11 2026-08-25 04:08 639232276086186273
58 ms 185.228.139.170
10 2026-08-25 03:51 639232265900986425
2035 ms 185.228.139.170
9 2026-08-25 03:34 639232255723518075
1641 ms 185.228.139.170
8 2026-08-25 03:17 639232245484452890
31 ms 185.228.139.170
7 2026-08-25 03:00 639232235157175331
63 ms 185.228.139.170
6 2026-08-25 02:06 639232203197189095
47 ms 185.228.139.170
5 2026-08-25 01:49 639232192844564298
51 ms 185.228.139.170
4 2026-08-25 01:32 639232182496008942
63 ms 185.228.139.170
3 2026-08-25 01:15 639232172197053132
40 ms 185.228.139.170
2 2026-08-25 00:21 639232140250307418
2024 ms 185.228.139.170
1 2026-08-25 00:04 639232129927860324
50 ms 185.228.139.170