DNS response history for dev.null.nu

dev.null.nu 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 2026-08-18. For this date, NameServerHistory found 75 DNS check records, 75 successful responses, 0 failed responses, and 329 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 dev.null.nu.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

329 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:55

All timestamps shown in UTC

Latest Resolved IP on Selected Date

128.199.242.81

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 dev.null.nu

Showing DNS history for 2026-08-18 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 2026-08-18 23:55 639226935204800669
224 ms 128.199.242.81
74 2026-08-18 23:39 639226925298919497
247 ms 128.199.242.81
73 2026-08-18 23:22 639226915487885053
241 ms 128.199.242.81
72 2026-08-18 23:06 639226905465760034
207 ms 128.199.242.81
71 2026-08-18 22:49 639226895378104692
9 ms 128.199.242.81
70 2026-08-18 21:56 639226863374232622
237 ms 128.199.242.81
69 2026-08-18 21:40 639226853698516058
8 ms 128.199.242.81
68 2026-08-18 21:23 639226843797360601
157 ms 128.199.242.81
67 2026-08-18 21:07 639226834046588155
146 ms 128.199.242.81
66 2026-08-18 20:50 639226824234488533
247 ms 128.199.242.81
65 2026-08-18 20:34 639226814549928621
250 ms 128.199.242.81
64 2026-08-18 20:18 639226804721432353
244 ms 128.199.242.81
63 2026-08-18 20:02 639226795048828184
254 ms 128.199.242.81
62 2026-08-18 19:45 639226785202482420
245 ms 128.199.242.81
61 2026-08-18 19:29 639226775309362607
28 ms 128.199.242.81
60 2026-08-18 19:12 639226765406586155
9 ms 128.199.242.81
59 2026-08-18 18:56 639226755437790519
258 ms 128.199.242.81
58 2026-08-18 18:03 639226723856194457
342 ms 128.199.242.81
57 2026-08-18 17:47 639226714050583422
15 ms 128.199.242.81
56 2026-08-18 17:30 639226704236499724
234 ms 128.199.242.81
55 2026-08-18 17:14 639226694184520163
13 ms 128.199.242.81
54 2026-08-18 16:57 639226684161203477
2007 ms 128.199.242.81
53 2026-08-18 16:41 639226674305430109
239 ms 128.199.242.81
52 2026-08-18 16:24 639226664489607984
1696 ms 128.199.242.81
51 2026-08-18 16:08 639226654533111667
118 ms 128.199.242.81
50 2026-08-18 15:51 639226644778594725
117 ms 128.199.242.81
49 2026-08-18 15:35 639226634901553621
240 ms 128.199.242.81
48 2026-08-18 15:18 639226624921864967
2148 ms 128.199.242.81
47 2026-08-18 15:02 639226614939419403
230 ms 128.199.242.81
46 2026-08-18 14:08 639226583021074771
13 ms 128.199.242.81
45 2026-08-18 13:52 639226573279933585
261 ms 128.199.242.81
44 2026-08-18 13:36 639226563494036301
242 ms 128.199.242.81
43 2026-08-18 13:19 639226553708216256
246 ms 128.199.242.81
42 2026-08-18 13:03 639226544003734815
2132 ms 128.199.242.81
41 2026-08-18 12:47 639226534105733155
240 ms 128.199.242.81
40 2026-08-18 12:30 639226524298118898
123 ms 128.199.242.81
39 2026-08-18 12:14 639226514525195335
230 ms 128.199.242.81
38 2026-08-18 11:58 639226504703635320
255 ms 128.199.242.81
37 2026-08-18 11:41 639226494737271720
240 ms 128.199.242.81
36 2026-08-18 11:25 639226485005027236
245 ms 128.199.242.81
35 2026-08-18 11:08 639226475133236105
2160 ms 128.199.242.81
34 2026-08-18 10:15 639226442975077052
120 ms 128.199.242.81
33 2026-08-18 09:59 639226433317932039
257 ms 128.199.242.81
32 2026-08-18 09:43 639226423688431096
136 ms 128.199.242.81
31 2026-08-18 09:27 639226413998250045
232 ms 128.199.242.81
30 2026-08-18 09:10 639226404284554875
234 ms 128.199.242.81
29 2026-08-18 08:54 639226394637043309
234 ms 128.199.242.81
28 2026-08-18 08:38 639226385052447582
247 ms 128.199.242.81
27 2026-08-18 08:22 639226375506189603
241 ms 128.199.242.81
26 2026-08-18 08:06 639226365690646426
4 ms 128.199.242.81
25 2026-08-18 07:50 639226355771007701
232 ms 128.199.242.81
24 2026-08-18 07:33 639226345946269369
4 ms 128.199.242.81
23 2026-08-18 07:17 639226336241601848
22 ms 128.199.242.81
22 2026-08-18 06:25 639226304950675290
241 ms 128.199.242.81
21 2026-08-18 06:09 639226295324754616
4 ms 128.199.242.81
20 2026-08-18 05:53 639226285824640601
230 ms 128.199.242.81
19 2026-08-18 05:37 639226276321223917
247 ms 128.199.242.81
18 2026-08-18 05:21 639226266800200046
123 ms 128.199.242.81
17 2026-08-18 05:05 639226256958066164
2122 ms 128.199.242.81
16 2026-08-18 04:49 639226247432364597
235 ms 128.199.242.81
15 2026-08-18 04:33 639226237703388552
254 ms 128.199.242.81
14 2026-08-18 04:16 639226227937569589
3 ms 128.199.242.81
13 2026-08-18 04:00 639226218052465471
10 ms 128.199.242.81
12 2026-08-18 03:44 639226208429623997
224 ms 128.199.242.81
11 2026-08-18 03:28 639226198800675295
262 ms 128.199.242.81
10 2026-08-18 02:36 639226167722042574
254 ms 128.199.242.81
9 2026-08-18 02:20 639226158277924383
253 ms 128.199.242.81
8 2026-08-18 02:04 639226148757810592
10 ms 128.199.242.81
7 2026-08-18 01:49 639226139348611045
246 ms 128.199.242.81
6 2026-08-18 01:33 639226129823462907
127 ms 128.199.242.81
5 2026-08-18 01:17 639226120218260005
227 ms 128.199.242.81
4 2026-08-18 01:01 639226110875503904
117 ms 128.199.242.81
3 2026-08-18 00:45 639226101376311912
230 ms 128.199.242.81
2 2026-08-18 00:29 639226091924943492
242 ms 128.199.242.81
1 2026-08-18 00:13 639226082133158124
244 ms 128.199.242.81