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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 72 successful responses, 2 failed responses, and 252 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

74

Historical checks stored for this nameserver on selected date

Average Latency

252 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 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

72

Checks that returned a measurable response

Failed Responses

2

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.robertdoerr.org

Showing DNS history for 2026-08-22 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
74 2026-08-22 23:47 639230391807229016
24 ms 91.134.25.122
73 2026-08-22 23:31 639230382051619327
4 ms 91.134.25.122
72 2026-08-22 23:15 639230372323353529
2027 ms 91.134.25.122
71 2026-08-22 22:59 639230362586451064
90 ms 91.134.25.122
70 2026-08-22 22:42 639230352793666303
56 ms 91.134.25.122
69 2026-08-22 22:26 639230342775737758
81 ms 91.134.25.122
68 2026-08-22 22:09 639230332639939561
2014 ms 91.134.25.122
67 2026-08-22 21:16 639230301014190104
54 ms 91.134.25.122
66 2026-08-22 20:59 639230291048161498
45 ms 91.134.25.122
65 2026-08-22 20:42 639230280894353664
180 ms 91.134.25.122
64 2026-08-22 20:25 639230270699419073
187 ms 91.134.25.122
63 2026-08-22 20:08 639230260248163050
-
62 2026-08-22 19:51 639230250122494282
170 ms 91.134.25.122
61 2026-08-22 19:34 639230239972935046
2008 ms 91.134.25.122
60 2026-08-22 19:17 639230229963262464
149 ms 91.134.25.122
59 2026-08-22 19:01 639230220033804658
56 ms 91.134.25.122
58 2026-08-22 18:44 639230209891107289
44 ms 91.134.25.122
57 2026-08-22 18:27 639230199630298717
2031 ms 91.134.25.122
56 2026-08-22 18:10 639230189301984150
38 ms 91.134.25.122
55 2026-08-22 17:16 639230157138468804
26 ms 91.134.25.122
54 2026-08-22 16:59 639230146987869495
45 ms 91.134.25.122
53 2026-08-22 16:42 639230136768638516
21 ms 91.134.25.122
52 2026-08-22 16:25 639230126735907877
69 ms 91.134.25.122
51 2026-08-22 16:08 639230116551187768
50 ms 91.134.25.122
50 2026-08-22 15:52 639230106335615913
-
49 2026-08-22 15:34 639230096177758176
2056 ms 91.134.25.122
48 2026-08-22 15:18 639230086185999993
67 ms 91.134.25.122
47 2026-08-22 15:01 639230076247854903
44 ms 91.134.25.122
46 2026-08-22 14:44 639230066076077530
31 ms 91.134.25.122
45 2026-08-22 14:27 639230055738197328
88 ms 91.134.25.122
44 2026-08-22 14:10 639230045411225521
45 ms 91.134.25.122
43 2026-08-22 13:16 639230013046000470
321 ms 91.134.25.122
42 2026-08-22 12:59 639230003090037878
45 ms 91.134.25.122
41 2026-08-22 12:43 639229993008259475
55 ms 91.134.25.122
40 2026-08-22 12:26 639229982909449470
6 ms 91.134.25.122
39 2026-08-22 12:09 639229973035502212
49 ms 91.134.25.122
38 2026-08-22 11:53 639229963064296145
169 ms 91.134.25.122
37 2026-08-22 11:36 639229952996162143
164 ms 91.134.25.122
36 2026-08-22 11:19 639229943051949195
47 ms 91.134.25.122
35 2026-08-22 11:02 639229932919214934
69 ms 91.134.25.122
34 2026-08-22 10:45 639229922745889838
42 ms 91.134.25.122
33 2026-08-22 10:28 639229912587214796
45 ms 91.134.25.122
32 2026-08-22 10:11 639229902240004454
44 ms 91.134.25.122
31 2026-08-22 09:19 639229870800501662
36 ms 91.134.25.122
30 2026-08-22 09:03 639229861058384956
9 ms 91.134.25.122
29 2026-08-22 08:46 639229851158592604
52 ms 91.134.25.122
28 2026-08-22 08:30 639229841475569629
46 ms 91.134.25.122
27 2026-08-22 08:14 639229831887658471
44 ms 91.134.25.122
26 2026-08-22 07:58 639229822043670346
24 ms 91.134.25.122
25 2026-08-22 07:41 639229812327913936
24 ms 91.134.25.122
24 2026-08-22 07:25 639229802629488686
2181 ms 91.134.25.122
23 2026-08-22 07:09 639229793051447309
28 ms 91.134.25.122
22 2026-08-22 06:53 639229783303531961
5 ms 91.134.25.122
21 2026-08-22 06:37 639229773458051942
8 ms 91.134.25.122
20 2026-08-22 06:20 639229763373848056
22 ms 91.134.25.122
19 2026-08-22 05:28 639229732140622809
29 ms 91.134.25.122
18 2026-08-22 05:12 639229722699695967
5 ms 91.134.25.122
17 2026-08-22 04:56 639229713097498075
2033 ms 91.134.25.122
16 2026-08-22 04:40 639229703543969637
12 ms 91.134.25.122
15 2026-08-22 04:24 639229693970392873
27 ms 91.134.25.122
14 2026-08-22 04:08 639229684277329469
2 ms 91.134.25.122
13 2026-08-22 03:52 639229674501596661
278 ms 91.134.25.122
12 2026-08-22 03:36 639229665064441147
20 ms 91.134.25.122
11 2026-08-22 03:20 639229655507536872
40 ms 91.134.25.122
10 2026-08-22 03:04 639229645849603111
39 ms 91.134.25.122
9 2026-08-22 02:48 639229636090497453
53 ms 91.134.25.122
8 2026-08-22 02:31 639229625978544281
29 ms 91.134.25.122
7 2026-08-22 01:39 639229594644662176
122 ms 91.134.25.122
6 2026-08-22 01:23 639229585214633065
15 ms 91.134.25.122
5 2026-08-22 01:07 639229575581042175
30 ms 91.134.25.122
4 2026-08-22 00:51 639229565912268962
36 ms 91.134.25.122
3 2026-08-22 00:35 639229556237813203
29 ms 91.134.25.122
2 2026-08-22 00:19 639229546625802518
34 ms 91.134.25.122
1 2026-08-22 00:03 639229537172016621
3 ms 91.134.25.122