DNS response history for ns1.protohackers.com

ns1.protohackers.com 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 2026-08-10. For this date, NameServerHistory found 82 DNS check records, 82 successful responses, 0 failed responses, and 225 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.protohackers.com.
Records on Selected Date

82

Historical checks stored for this nameserver on selected date

Average Latency

225 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-10 23:54

All timestamps shown in UTC

Latest Resolved IP on Selected Date

85.119.83.109

Most recently resolved hosting IP on selected date

Successful Responses

82

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.protohackers.com

Showing DNS history for 2026-08-10 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
82 2026-08-10 23:54 639220027366289509
44 ms 85.119.83.109
81 2026-08-10 23:39 639220018272941900
99 ms 85.119.83.109
80 2026-08-10 23:24 639220009109892969
89 ms 85.119.83.109
79 2026-08-10 23:09 639220000040489788
35 ms 85.119.83.109
78 2026-08-10 22:54 639219991197135747
2039 ms 85.119.83.109
77 2026-08-10 22:39 639219982104540014
32 ms 85.119.83.109
76 2026-08-10 22:24 639219973150300215
96 ms 85.119.83.109
75 2026-08-10 22:09 639219964188486697
64 ms 85.119.83.109
74 2026-08-10 21:54 639219954995921784
73 ms 85.119.83.109
73 2026-08-10 21:38 639219945559908104
25 ms 85.119.83.109
72 2026-08-10 20:46 639219914137782273
22 ms 85.119.83.109
71 2026-08-10 20:30 639219904858355064
93 ms 85.119.83.109
70 2026-08-10 20:15 639219895655263396
68 ms 85.119.83.109
69 2026-08-10 20:00 639219886527091074
10 ms 85.119.83.109
68 2026-08-10 19:45 639219877343266628
24 ms 85.119.83.109
67 2026-08-10 19:29 639219868177358195
2070 ms 85.119.83.109
66 2026-08-10 19:14 639219859159581515
37 ms 85.119.83.109
65 2026-08-10 18:59 639219850124020182
59 ms 85.119.83.109
64 2026-08-10 18:44 639219840940124840
35 ms 85.119.83.109
63 2026-08-10 18:29 639219831829876486
66 ms 85.119.83.109
62 2026-08-10 18:13 639219822587759143
83 ms 85.119.83.109
61 2026-08-10 17:58 639219813247114428
45 ms 85.119.83.109
60 2026-08-10 17:06 639219781959606396
98 ms 85.119.83.109
59 2026-08-10 16:51 639219772658305431
61 ms 85.119.83.109
58 2026-08-10 16:36 639219763454523027
25 ms 85.119.83.109
57 2026-08-10 16:20 639219754279127815
32 ms 85.119.83.109
56 2026-08-10 16:05 639219745087467767
83 ms 85.119.83.109
55 2026-08-10 15:50 639219735900678107
90 ms 85.119.83.109
54 2026-08-10 15:34 639219726531461979
74 ms 85.119.83.109
53 2026-08-10 15:19 639219717415222156
36 ms 85.119.83.109
52 2026-08-10 15:04 639219708266470863
23 ms 85.119.83.109
51 2026-08-10 14:48 639219699049479559
86 ms 85.119.83.109
50 2026-08-10 14:33 639219689775815194
32 ms 85.119.83.109
49 2026-08-10 14:17 639219680511810632
77 ms 85.119.83.109
48 2026-08-10 13:26 639219648997191257
77 ms 85.119.83.109
47 2026-08-10 13:10 639219639938909436
85 ms 85.119.83.109
46 2026-08-10 12:55 639219630718286441
37 ms 85.119.83.109
45 2026-08-10 12:40 639219621472350410
21 ms 85.119.83.109
44 2026-08-10 12:25 639219612500421992
110 ms 85.119.83.109
43 2026-08-10 12:10 639219603383833445
31 ms 85.119.83.109
42 2026-08-10 11:54 639219594143823358
63 ms 85.119.83.109
41 2026-08-10 11:39 639219585053166024
54 ms 85.119.83.109
40 2026-08-10 11:24 639219575885776644
17 ms 85.119.83.109
39 2026-08-10 11:09 639219566844532361
37 ms 85.119.83.109
38 2026-08-10 10:53 639219557705808294
61 ms 85.119.83.109
37 2026-08-10 10:38 639219548482688649
61 ms 85.119.83.109
36 2026-08-10 09:47 639219517492763539
94 ms 85.119.83.109
35 2026-08-10 09:33 639219508755773605
72 ms 85.119.83.109
34 2026-08-10 09:18 639219499852103863
11 ms 85.119.83.109
33 2026-08-10 09:03 639219490893714387
64 ms 85.119.83.109
32 2026-08-10 08:49 639219482299305521
78 ms 85.119.83.109
31 2026-08-10 08:34 639219473613114853
3 ms 85.119.83.109
30 2026-08-10 08:20 639219465061138643
86 ms 85.119.83.109
29 2026-08-10 08:06 639219456616129015
72 ms 85.119.83.109
28 2026-08-10 07:52 639219447974008557
86 ms 85.119.83.109
27 2026-08-10 07:37 639219439498255213
83 ms 85.119.83.109
26 2026-08-10 07:23 639219430664872256
63 ms 85.119.83.109
25 2026-08-10 07:08 639219421757560037
78 ms 85.119.83.109
24 2026-08-10 06:15 639219390773218684
32 ms 85.119.83.109
23 2026-08-10 06:01 639219382205367722
65 ms 85.119.83.109
22 2026-08-10 05:47 639219373711937615
41 ms 85.119.83.109
21 2026-08-10 05:32 639219365088558404
37 ms 85.119.83.109
20 2026-08-10 05:18 639219356348833255
102 ms 85.119.83.109
19 2026-08-10 05:04 639219347860053478
26 ms 85.119.83.109
18 2026-08-10 04:49 639219339173195121
35 ms 85.119.83.109
17 2026-08-10 04:35 639219330642664669
2024 ms 85.119.83.109
16 2026-08-10 04:21 639219322058698995
8 ms 85.119.83.109
15 2026-08-10 04:06 639219313564344199
3 ms 85.119.83.109
14 2026-08-10 03:52 639219304775113236
2024 ms 85.119.83.109
13 2026-08-10 03:37 639219295706181119
2043 ms 85.119.83.109
12 2026-08-10 02:45 639219264663923254
81 ms 85.119.83.109
11 2026-08-10 02:30 639219256015178099
2033 ms 85.119.83.109
10 2026-08-10 02:16 639219247509540188
9 ms 85.119.83.109
9 2026-08-10 02:02 639219238999539092
7 ms 85.119.83.109
8 2026-08-10 01:48 639219230498823902
85 ms 85.119.83.109
7 2026-08-10 01:33 639219221706460911
71 ms 85.119.83.109
6 2026-08-10 01:19 639219212930606887
51 ms 85.119.83.109
5 2026-08-10 01:04 639219204307908525
2050 ms 85.119.83.109
4 2026-08-10 00:50 639219195720181470
80 ms 85.119.83.109
3 2026-08-10 00:35 639219186898174002
43 ms 85.119.83.109
2 2026-08-10 00:20 639219178004946976
98 ms 85.119.83.109
1 2026-08-10 00:05 639219168958805474
63 ms 85.119.83.109