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 2026-08-19. For this date, NameServerHistory found 75 DNS check records, 75 successful responses, 0 failed responses, and 260 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

260 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:57

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 2026-08-19 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 2026-08-19 23:57 639227805445376839
20 ms 91.134.25.122
74 2026-08-19 23:41 639227795899225951
36 ms 91.134.25.122
73 2026-08-19 23:25 639227786351762008
16 ms 91.134.25.122
72 2026-08-19 23:09 639227776640591733
2182 ms 91.134.25.122
71 2026-08-19 22:53 639227767128841282
36 ms 91.134.25.122
70 2026-08-19 22:37 639227757477304711
37 ms 91.134.25.122
69 2026-08-19 22:20 639227747572098014
26 ms 91.134.25.122
68 2026-08-19 22:04 639227737588613113
2028 ms 91.134.25.122
67 2026-08-19 21:11 639227706134603955
12 ms 91.134.25.122
66 2026-08-19 20:55 639227696589027396
39 ms 91.134.25.122
65 2026-08-19 20:39 639227687097707639
28 ms 91.134.25.122
64 2026-08-19 20:23 639227677474464487
5 ms 91.134.25.122
63 2026-08-19 20:07 639227667767441118
179 ms 91.134.25.122
62 2026-08-19 19:51 639227657984833832
20 ms 91.134.25.122
61 2026-08-19 19:34 639227648079992640
57 ms 91.134.25.122
60 2026-08-19 19:18 639227638125048441
60 ms 91.134.25.122
59 2026-08-19 19:01 639227628211392142
47 ms 91.134.25.122
58 2026-08-19 18:45 639227618261696275
46 ms 91.134.25.122
57 2026-08-19 18:28 639227608366233645
39 ms 91.134.25.122
56 2026-08-19 18:11 639227598301787588
91 ms 91.134.25.122
55 2026-08-19 17:18 639227566241010716
49 ms 91.134.25.122
54 2026-08-19 17:02 639227556454538959
48 ms 91.134.25.122
53 2026-08-19 16:45 639227546640305542
46 ms 91.134.25.122
52 2026-08-19 16:29 639227536965466472
23 ms 91.134.25.122
51 2026-08-19 16:13 639227527048658280
2038 ms 91.134.25.122
50 2026-08-19 15:57 639227517386634438
46 ms 91.134.25.122
49 2026-08-19 15:40 639227507459551637
17 ms 91.134.25.122
48 2026-08-19 15:23 639227497515595277
19 ms 91.134.25.122
47 2026-08-19 15:07 639227487441798036
76 ms 91.134.25.122
46 2026-08-19 14:50 639227477445551863
9 ms 91.134.25.122
45 2026-08-19 14:33 639227467297067891
46 ms 91.134.25.122
44 2026-08-19 14:16 639227457057795635
40 ms 91.134.25.122
43 2026-08-19 13:23 639227425244777397
39 ms 91.134.25.122
42 2026-08-19 13:07 639227415422116485
153 ms 91.134.25.122
41 2026-08-19 12:50 639227405307256053
35 ms 91.134.25.122
40 2026-08-19 12:33 639227395396602630
59 ms 91.134.25.122
39 2026-08-19 12:17 639227385510363611
36 ms 91.134.25.122
38 2026-08-19 12:00 639227375508324850
390 ms 91.134.25.122
37 2026-08-19 11:43 639227365326611906
38 ms 91.134.25.122
36 2026-08-19 11:26 639227355360014208
53 ms 91.134.25.122
35 2026-08-19 11:09 639227345036782165
50 ms 91.134.25.122
34 2026-08-19 10:52 639227334992964533
177 ms 91.134.25.122
33 2026-08-19 10:36 639227324986605572
2050 ms 91.134.25.122
32 2026-08-19 10:19 639227314928414539
2050 ms 91.134.25.122
31 2026-08-19 09:26 639227283029182134
29 ms 91.134.25.122
30 2026-08-19 09:10 639227273294779350
12 ms 91.134.25.122
29 2026-08-19 08:53 639227263525231313
176 ms 91.134.25.122
28 2026-08-19 08:37 639227253578313363
23 ms 91.134.25.122
27 2026-08-19 08:20 639227243649973322
2047 ms 91.134.25.122
26 2026-08-19 08:03 639227233581059317
138 ms 91.134.25.122
25 2026-08-19 07:47 639227223667352067
77 ms 91.134.25.122
24 2026-08-19 07:30 639227213714837066
78 ms 91.134.25.122
23 2026-08-19 07:14 639227203701208496
119 ms 91.134.25.122
22 2026-08-19 06:57 639227193643202179
2297 ms 91.134.25.122
21 2026-08-19 06:40 639227183584431597
40 ms 91.134.25.122
20 2026-08-19 06:23 639227173347403088
44 ms 91.134.25.122
19 2026-08-19 05:30 639227141523007601
457 ms 91.134.25.122
18 2026-08-19 05:14 639227131785931574
40 ms 91.134.25.122
17 2026-08-19 04:58 639227122176475389
3 ms 91.134.25.122
16 2026-08-19 04:42 639227112668934596
11 ms 91.134.25.122
15 2026-08-19 04:25 639227102773292788
11 ms 91.134.25.122
14 2026-08-19 04:09 639227093141136930
25 ms 91.134.25.122
13 2026-08-19 03:53 639227083449420147
66 ms 91.134.25.122
12 2026-08-19 03:37 639227073771748493
283 ms 91.134.25.122
11 2026-08-19 03:21 639227063977347614
146 ms 91.134.25.122
10 2026-08-19 03:05 639227054253519024
218 ms 91.134.25.122
9 2026-08-19 02:48 639227044381963886
8 ms 91.134.25.122
8 2026-08-19 02:32 639227034441085514
164 ms 91.134.25.122
7 2026-08-19 01:39 639227003126489968
36 ms 91.134.25.122
6 2026-08-19 01:23 639226993456311614
40 ms 91.134.25.122
5 2026-08-19 01:07 639226983847312345
50 ms 91.134.25.122
4 2026-08-19 00:51 639226974357874853
36 ms 91.134.25.122
3 2026-08-19 00:35 639226964670484721
69 ms 91.134.25.122
2 2026-08-19 00:19 639226954857899696
173 ms 91.134.25.122
1 2026-08-19 00:03 639226945091603488
30 ms 91.134.25.122