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 2026-08-17. For this date, NameServerHistory found 72 DNS check records, 71 successful responses, 1 failed responses, and 307 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

72

Historical checks stored for this nameserver on selected date

Average Latency

307 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-17 23:48

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

71

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

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 2026-08-17 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
72 2026-08-17 23:48 639226072268080268
2053 ms 91.134.25.122
71 2026-08-17 23:32 639226062577647657
45 ms 91.134.25.122
70 2026-08-17 22:39 639226031060857136
2020 ms 91.134.25.122
69 2026-08-17 22:23 639226021535117364
34 ms 91.134.25.122
68 2026-08-17 22:07 639226011884237078
48 ms 91.134.25.122
67 2026-08-17 21:51 639226002309299142
179 ms 91.134.25.122
66 2026-08-17 21:35 639225992791784448
24 ms 91.134.25.122
65 2026-08-17 21:19 639225983045271390
34 ms 91.134.25.122
64 2026-08-17 21:03 639225973246293513
2077 ms 91.134.25.122
63 2026-08-17 20:47 639225963620186236
45 ms 91.134.25.122
62 2026-08-17 20:31 639225953899183916
99 ms 91.134.25.122
61 2026-08-17 20:15 639225944391528206
49 ms 91.134.25.122
60 2026-08-17 19:58 639225934593254169
31 ms 91.134.25.122
59 2026-08-17 19:42 639225924669984512
2045 ms 91.134.25.122
58 2026-08-17 18:49 639225893048561320
29 ms 91.134.25.122
57 2026-08-17 18:33 639225883481298424
38 ms 91.134.25.122
56 2026-08-17 18:17 639225873845394034
39 ms 91.134.25.122
55 2026-08-17 18:01 639225864216078662
47 ms 91.134.25.122
54 2026-08-17 17:45 639225854541857773
24 ms 91.134.25.122
53 2026-08-17 17:29 639225844733604072
35 ms 91.134.25.122
52 2026-08-17 17:13 639225835085229232
43 ms 91.134.25.122
51 2026-08-17 16:56 639225825349373981
43 ms 91.134.25.122
50 2026-08-17 16:40 639225815690604161
43 ms 91.134.25.122
49 2026-08-17 16:24 639225805952472306
52 ms 91.134.25.122
48 2026-08-17 16:08 639225796264729638
96 ms 91.134.25.122
47 2026-08-17 15:51 639225786326499329
45 ms 91.134.25.122
46 2026-08-17 14:59 639225754798130711
12 ms 91.134.25.122
45 2026-08-17 14:43 639225745123193922
42 ms 91.134.25.122
44 2026-08-17 14:27 639225735540597271
126 ms 91.134.25.122
43 2026-08-17 14:11 639225725894857396
41 ms 91.134.25.122
42 2026-08-17 13:55 639225716249606913
39 ms 91.134.25.122
41 2026-08-17 13:39 639225706638238179
58 ms 91.134.25.122
40 2026-08-17 13:22 639225696949691423
89 ms 91.134.25.122
39 2026-08-17 13:06 639225687286186336
25 ms 91.134.25.122
38 2026-08-17 12:50 639225677679573133
47 ms 91.134.25.122
37 2026-08-17 12:34 639225667957861024
40 ms 91.134.25.122
36 2026-08-17 12:18 639225658298791618
62 ms 91.134.25.122
35 2026-08-17 12:02 639225648583652785
43 ms 91.134.25.122
34 2026-08-17 11:09 639225617000524308
46 ms 91.134.25.122
33 2026-08-17 10:54 639225607668541600
72 ms 91.134.25.122
32 2026-08-17 10:38 639225598117279238
41 ms 91.134.25.122
31 2026-08-17 10:22 639225588751002710
15 ms 91.134.25.122
30 2026-08-17 10:06 639225579295831051
32 ms 91.134.25.122
29 2026-08-17 09:50 639225569761469940
41 ms 91.134.25.122
28 2026-08-17 09:34 639225560161422333
2052 ms 91.134.25.122
27 2026-08-17 09:19 639225550739955565
45 ms 91.134.25.122
26 2026-08-17 09:03 639225541125222426
38 ms 91.134.25.122
25 2026-08-17 08:47 639225531526675983
48 ms 91.134.25.122
24 2026-08-17 08:31 639225521915528222
8 ms 91.134.25.122
23 2026-08-17 08:14 639225512148151789
41 ms 91.134.25.122
22 2026-08-17 07:22 639225480786142412
44 ms 91.134.25.122
21 2026-08-17 07:07 639225471394348551
64 ms 91.134.25.122
20 2026-08-17 06:51 639225462031685068
2174 ms 91.134.25.122
19 2026-08-17 06:35 639225452639458328
10 ms 91.134.25.122
18 2026-08-17 06:20 639225443300966543
-
17 2026-08-17 06:04 639225433880499379
2044 ms 91.134.25.122
16 2026-08-17 05:48 639225424395198277
40 ms 91.134.25.122
15 2026-08-17 05:32 639225414744137487
78 ms 91.134.25.122
14 2026-08-17 05:16 639225405186783164
78 ms 91.134.25.122
13 2026-08-17 05:00 639225395563669822
170 ms 91.134.25.122
12 2026-08-17 04:44 639225386076645158
42 ms 91.134.25.122
11 2026-08-17 04:29 639225376620669704
215 ms 91.134.25.122
10 2026-08-17 03:37 639225345580892706
46 ms 91.134.25.122
9 2026-08-17 03:21 639225336207383710
27 ms 91.134.25.122
8 2026-08-17 03:05 639225326726565001
41 ms 91.134.25.122
7 2026-08-17 02:50 639225317249271010
41 ms 91.134.25.122
6 2026-08-17 01:58 639225286280886044
44 ms 91.134.25.122
5 2026-08-17 01:42 639225276872567548
36 ms 91.134.25.122
4 2026-08-17 01:26 639225267353865348
2059 ms 91.134.25.122
3 2026-08-17 01:11 639225258033914248
41 ms 91.134.25.122
2 2026-08-17 00:19 639225226652221583
2041 ms 91.134.25.122
1 2026-08-17 00:03 639225217156387684
38 ms 91.134.25.122