DNS response history for ns1.retzmann.cologne

ns1.retzmann.cologne 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 26 DNS check records, 26 successful responses, 0 failed responses, and 422 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.cologne.
Records on Selected Date

26

Historical checks stored for this nameserver on selected date

Average Latency

422 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 09:04

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

26

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.retzmann.cologne

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
26 2026-08-25 09:04 639232451282965990
7 ms 185.228.139.170
25 2026-08-25 08:47 639232440814614938
2021 ms 185.228.139.170
24 2026-08-25 08:30 639232430410720425
18 ms 185.228.139.170
23 2026-08-25 08:12 639232420003096185
66 ms 185.228.139.170
22 2026-08-25 07:55 639232409467287444
22 ms 185.228.139.170
21 2026-08-25 07:37 639232399077195997
45 ms 185.228.139.170
20 2026-08-25 07:20 639232388731528337
135 ms 185.228.139.170
19 2026-08-25 07:03 639232378288598612
40 ms 185.228.139.170
18 2026-08-25 06:09 639232346196373643
110 ms 185.228.139.170
17 2026-08-25 05:52 639232336112370741
32 ms 185.228.139.170
16 2026-08-25 05:36 639232326146508970
65 ms 185.228.139.170
15 2026-08-25 05:19 639232316189381720
2010 ms 185.228.139.170
14 2026-08-25 05:03 639232306217998913
2031 ms 185.228.139.170
13 2026-08-25 04:46 639232296255744174
2011 ms 185.228.139.170
12 2026-08-25 04:29 639232286095760789
8 ms 185.228.139.170
11 2026-08-25 04:12 639232276086186273
36 ms 185.228.139.170
10 2026-08-25 03:56 639232265900986425
45 ms 185.228.139.170
9 2026-08-25 03:38 639232255723518075
14 ms 185.228.139.170
8 2026-08-25 03:22 639232245484452890
14 ms 185.228.139.170
7 2026-08-25 03:04 639232235157175331
48 ms 185.228.139.170
6 2026-08-25 02:11 639232203197189095
39 ms 185.228.139.170
5 2026-08-25 01:54 639232192844564298
50 ms 185.228.139.170
4 2026-08-25 01:36 639232182496008942
15 ms 185.228.139.170
3 2026-08-25 01:19 639232172197053132
16 ms 185.228.139.170
2 2026-08-25 00:26 639232140250307418
2016 ms 185.228.139.170
1 2026-08-25 00:09 639232129927860324
48 ms 185.228.139.170