DNS response history for ns1.robertdoerr.org

ns1.robertdoerr.org 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 56 DNS check records, 55 successful responses, 1 failed responses, and 227 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.robertdoerr.org.
Records on Selected Date

56

Historical checks stored for this nameserver on selected date

Average Latency

227 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 23:47

All timestamps shown in UTC

Latest Resolved IP on Selected Date

91.134.25.122

Most recently resolved hosting IP on selected date

Successful Responses

55

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns1.robertdoerr.org

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
56 2026-08-24 23:47 639232119551972438
16 ms 91.134.25.122
55 2026-08-24 23:29 639232109112567473
116 ms 91.134.25.122
54 2026-08-24 22:37 639232077430823987
46 ms 91.134.25.122
53 2026-08-24 22:20 639232067340513033
209 ms 91.134.25.122
52 2026-08-24 22:03 639232057157944387
-
51 2026-08-24 21:46 639232046895282144
384 ms 91.134.25.122
50 2026-08-24 20:52 639232014356623395
465 ms 91.134.25.122
49 2026-08-24 20:34 639232004177831322
79 ms 91.134.25.122
48 2026-08-24 20:17 639231993997863976
46 ms 91.134.25.122
47 2026-08-24 20:01 639231983967363696
161 ms 91.134.25.122
46 2026-08-24 19:08 639231952257842845
30 ms 91.134.25.122
45 2026-08-24 18:51 639231942277816756
39 ms 91.134.25.122
44 2026-08-24 18:34 639231932094180724
100 ms 91.134.25.122
43 2026-08-24 18:18 639231922041034838
35 ms 91.134.25.122
42 2026-08-24 17:25 639231890488117536
159 ms 91.134.25.122
41 2026-08-24 17:08 639231880574255543
239 ms 91.134.25.122
40 2026-08-24 16:52 639231870418029045
25 ms 91.134.25.122
39 2026-08-24 16:35 639231860258429562
44 ms 91.134.25.122
38 2026-08-24 15:41 639231828211839931
45 ms 91.134.25.122
37 2026-08-24 15:24 639231818080917481
43 ms 91.134.25.122
36 2026-08-24 15:07 639231807961539652
2062 ms 91.134.25.122
35 2026-08-24 14:50 639231797631669865
4045 ms 91.134.25.122
34 2026-08-24 13:57 639231765923559455
41 ms 91.134.25.122
33 2026-08-24 13:41 639231755868832964
61 ms 91.134.25.122
32 2026-08-24 13:24 639231745628278877
42 ms 91.134.25.122
31 2026-08-24 13:07 639231735407682062
41 ms 91.134.25.122
30 2026-08-24 12:14 639231703815441688
5 ms 91.134.25.122
29 2026-08-24 11:57 639231693747052549
100 ms 91.134.25.122
28 2026-08-24 11:40 639231683712487276
25 ms 91.134.25.122
27 2026-08-24 11:23 639231673513573868
317 ms 91.134.25.122
26 2026-08-24 10:30 639231641791249939
35 ms 91.134.25.122
25 2026-08-24 10:14 639231631866211033
46 ms 91.134.25.122
24 2026-08-24 09:57 639231621644955316
48 ms 91.134.25.122
23 2026-08-24 09:40 639231611478799259
78 ms 91.134.25.122
22 2026-08-24 08:47 639231579923718211
42 ms 91.134.25.122
21 2026-08-24 08:30 639231569810702936
149 ms 91.134.25.122
20 2026-08-24 08:14 639231559762411619
8 ms 91.134.25.122
19 2026-08-24 07:57 639231549663595407
39 ms 91.134.25.122
18 2026-08-24 07:04 639231518076817246
2195 ms 91.134.25.122
17 2026-08-24 06:48 639231508078650885
26 ms 91.134.25.122
16 2026-08-24 06:31 639231498210697093
4 ms 91.134.25.122
15 2026-08-24 06:14 639231488109699360
29 ms 91.134.25.122
14 2026-08-24 05:22 639231456772510692
38 ms 91.134.25.122
13 2026-08-24 05:06 639231447084631185
181 ms 91.134.25.122
12 2026-08-24 04:50 639231437208519473
81 ms 91.134.25.122
11 2026-08-24 04:33 639231427209627490
35 ms 91.134.25.122
10 2026-08-24 03:40 639231395791246644
22 ms 91.134.25.122
9 2026-08-24 03:24 639231386075551458
37 ms 91.134.25.122
8 2026-08-24 03:08 639231376208713791
18 ms 91.134.25.122
7 2026-08-24 02:51 639231366170589276
31 ms 91.134.25.122
6 2026-08-24 01:59 639231334732159368
40 ms 91.134.25.122
5 2026-08-24 01:43 639231325035670078
3 ms 91.134.25.122
4 2026-08-24 01:26 639231315132253837
65 ms 91.134.25.122
3 2026-08-24 01:09 639231305014280808
172 ms 91.134.25.122
2 2026-08-24 00:17 639231273779380675
3 ms 91.134.25.122
1 2026-08-24 00:01 639231264180839154
49 ms 91.134.25.122