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 2026-08-23. For this date, NameServerHistory found 75 DNS check records, 75 successful responses, 0 failed responses, and 258 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

75

Historical checks stored for this nameserver on selected date

Average Latency

258 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:45

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

75

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.robertdoerr.org

Showing DNS history for 2026-08-23 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
75 2026-08-23 23:45 639231254406598736
26 ms 91.134.25.122
74 2026-08-23 23:29 639231244697865594
60 ms 91.134.25.122
73 2026-08-23 23:12 639231234893504693
2023 ms 91.134.25.122
72 2026-08-23 22:56 639231225024549139
24 ms 91.134.25.122
71 2026-08-23 22:39 639231214931957622
65 ms 91.134.25.122
70 2026-08-23 22:23 639231204962010549
41 ms 91.134.25.122
69 2026-08-23 22:06 639231195170138463
3 ms 91.134.25.122
68 2026-08-23 21:50 639231185235020577
248 ms 91.134.25.122
67 2026-08-23 21:33 639231175558690075
4 ms 91.134.25.122
66 2026-08-23 21:17 639231165610444012
162 ms 91.134.25.122
65 2026-08-23 20:24 639231133806425363
18 ms 91.134.25.122
64 2026-08-23 20:08 639231124203758023
76 ms 91.134.25.122
63 2026-08-23 19:52 639231114428262706
60 ms 91.134.25.122
62 2026-08-23 19:35 639231104662480065
24 ms 91.134.25.122
61 2026-08-23 19:19 639231094840372018
13 ms 91.134.25.122
60 2026-08-23 19:03 639231085024583224
4 ms 91.134.25.122
59 2026-08-23 18:46 639231075257417427
57 ms 91.134.25.122
58 2026-08-23 18:30 639231065516009503
13 ms 91.134.25.122
57 2026-08-23 18:14 639231055805348837
57 ms 91.134.25.122
56 2026-08-23 17:57 639231045980373765
55 ms 91.134.25.122
55 2026-08-23 17:41 639231035984577527
112 ms 91.134.25.122
54 2026-08-23 17:24 639231025928115303
40 ms 91.134.25.122
53 2026-08-23 16:31 639230994250157583
58 ms 91.134.25.122
52 2026-08-23 16:15 639230984476411369
35 ms 91.134.25.122
51 2026-08-23 15:59 639230974838373450
2011 ms 91.134.25.122
50 2026-08-23 15:43 639230965244277645
37 ms 91.134.25.122
49 2026-08-23 15:27 639230955522101820
2010 ms 91.134.25.122
48 2026-08-23 15:11 639230945754521603
2008 ms 91.134.25.122
47 2026-08-23 14:54 639230935852040504
14 ms 91.134.25.122
46 2026-08-23 14:38 639230926222061048
21 ms 91.134.25.122
45 2026-08-23 14:22 639230916449726907
31 ms 91.134.25.122
44 2026-08-23 14:05 639230906595053086
29 ms 91.134.25.122
43 2026-08-23 13:49 639230896680429441
43 ms 91.134.25.122
42 2026-08-23 13:32 639230886630210965
7 ms 91.134.25.122
41 2026-08-23 12:40 639230855430405719
45 ms 91.134.25.122
40 2026-08-23 12:24 639230845707499136
166 ms 91.134.25.122
39 2026-08-23 12:08 639230836186805419
91 ms 91.134.25.122
38 2026-08-23 11:52 639230826493828316
45 ms 91.134.25.122
37 2026-08-23 11:36 639230816817882996
2042 ms 91.134.25.122
36 2026-08-23 11:19 639230806933854189
99 ms 91.134.25.122
35 2026-08-23 11:03 639230797120243854
14 ms 91.134.25.122
34 2026-08-23 10:46 639230787310272840
4 ms 91.134.25.122
33 2026-08-23 10:30 639230777600173142
4 ms 91.134.25.122
32 2026-08-23 10:14 639230767665024593
65 ms 91.134.25.122
31 2026-08-23 09:57 639230757720962293
10 ms 91.134.25.122
30 2026-08-23 09:40 639230747722189784
46 ms 91.134.25.122
29 2026-08-23 08:48 639230716313923480
2 ms 91.134.25.122
28 2026-08-23 08:32 639230706813835990
2 ms 91.134.25.122
27 2026-08-23 08:16 639230696871062203
14 ms 91.134.25.122
26 2026-08-23 07:59 639230687142781616
48 ms 91.134.25.122
25 2026-08-23 07:43 639230677432142227
19 ms 91.134.25.122
24 2026-08-23 07:27 639230667686258061
68 ms 91.134.25.122
23 2026-08-23 07:11 639230658039243685
54 ms 91.134.25.122
22 2026-08-23 06:55 639230648468473803
49 ms 91.134.25.122
21 2026-08-23 06:39 639230638829658294
62 ms 91.134.25.122
20 2026-08-23 06:23 639230629247017617
44 ms 91.134.25.122
19 2026-08-23 06:07 639230619625318239
49 ms 91.134.25.122
18 2026-08-23 05:50 639230609697630264
3 ms 91.134.25.122
17 2026-08-23 04:58 639230578570131864
2033 ms 91.134.25.122
16 2026-08-23 04:42 639230568958963168
2022 ms 91.134.25.122
15 2026-08-23 04:26 639230559287611211
58 ms 91.134.25.122
14 2026-08-23 04:10 639230549524312030
16 ms 91.134.25.122
13 2026-08-23 03:54 639230539739801669
28 ms 91.134.25.122
12 2026-08-23 03:38 639230530084069375
36 ms 91.134.25.122
11 2026-08-23 03:22 639230520362691441
2050 ms 91.134.25.122
10 2026-08-23 03:05 639230510677194518
193 ms 91.134.25.122
9 2026-08-23 02:49 639230501156002646
31 ms 91.134.25.122
8 2026-08-23 02:33 639230491502198541
18 ms 91.134.25.122
7 2026-08-23 02:17 639230481860318494
46 ms 91.134.25.122
6 2026-08-23 02:01 639230471893008575
59 ms 91.134.25.122
5 2026-08-23 01:08 639230440030877421
43 ms 91.134.25.122
4 2026-08-23 00:52 639230430479725508
14 ms 91.134.25.122
3 2026-08-23 00:36 639230420875160219
18 ms 91.134.25.122
2 2026-08-23 00:20 639230411240692575
7 ms 91.134.25.122
1 2026-08-23 00:03 639230401550806607
134 ms 91.134.25.122