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 2026-08-09. For this date, NameServerHistory found 77 DNS check records, 77 successful responses, 0 failed responses, and 287 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

77

Historical checks stored for this nameserver on selected date

Average Latency

287 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:14

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

77

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 2026-08-09 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
77 2026-08-09 23:14 639219137912168440
80 ms 85.119.83.109
76 2026-08-09 23:00 639219129014206359
58 ms 85.119.83.109
75 2026-08-09 22:45 639219120129816185
43 ms 85.119.83.109
74 2026-08-09 22:30 639219111180200055
84 ms 85.119.83.109
73 2026-08-09 22:15 639219102397272208
60 ms 85.119.83.109
72 2026-08-09 22:00 639219093318422880
7 ms 85.119.83.109
71 2026-08-09 21:45 639219084400315753
26 ms 85.119.83.109
70 2026-08-09 21:30 639219075254551587
25 ms 85.119.83.109
69 2026-08-09 21:14 639219065729192158
60 ms 85.119.83.109
68 2026-08-09 20:59 639219056747802098
60 ms 85.119.83.109
67 2026-08-09 20:44 639219047713450952
26 ms 85.119.83.109
66 2026-08-09 20:29 639219038561445315
55 ms 85.119.83.109
65 2026-08-09 19:36 639219007390383771
67 ms 85.119.83.109
64 2026-08-09 19:21 639218998523265596
2013 ms 85.119.83.109
63 2026-08-09 19:06 639218989631630804
167 ms 85.119.83.109
62 2026-08-09 18:51 639218980808450892
51 ms 85.119.83.109
61 2026-08-09 18:37 639218971852160604
68 ms 85.119.83.109
60 2026-08-09 18:21 639218962783650906
7 ms 85.119.83.109
59 2026-08-09 18:06 639218953792820819
2051 ms 85.119.83.109
58 2026-08-09 17:52 639218944959692876
49 ms 85.119.83.109
57 2026-08-09 17:37 639218936169104506
41 ms 85.119.83.109
56 2026-08-09 17:22 639218927166062556
46 ms 85.119.83.109
55 2026-08-09 17:07 639218918015715420
56 ms 85.119.83.109
54 2026-08-09 16:52 639218908881852638
2043 ms 85.119.83.109
53 2026-08-09 16:00 639218877956262035
46 ms 85.119.83.109
52 2026-08-09 15:45 639218869143729797
38 ms 85.119.83.109
51 2026-08-09 15:30 639218860485298832
72 ms 85.119.83.109
50 2026-08-09 15:16 639218851607906747
57 ms 85.119.83.109
49 2026-08-09 15:01 639218842720839568
2060 ms 85.119.83.109
48 2026-08-09 14:46 639218833878788864
2051 ms 85.119.83.109
47 2026-08-09 14:31 639218825180862573
10 ms 85.119.83.109
46 2026-08-09 14:17 639218816469621951
69 ms 85.119.83.109
45 2026-08-09 14:02 639218807685036212
35 ms 85.119.83.109
44 2026-08-09 13:48 639218798978271509
39 ms 85.119.83.109
43 2026-08-09 13:33 639218790065423597
44 ms 85.119.83.109
42 2026-08-09 13:18 639218781304584862
41 ms 85.119.83.109
41 2026-08-09 12:26 639218750311179000
66 ms 85.119.83.109
40 2026-08-09 12:11 639218741750420268
62 ms 85.119.83.109
39 2026-08-09 11:57 639218733057535576
2040 ms 85.119.83.109
38 2026-08-09 11:43 639218724471329044
44 ms 85.119.83.109
37 2026-08-09 11:28 639218715911974203
47 ms 85.119.83.109
36 2026-08-09 11:14 639218707310812834
135 ms 85.119.83.109
35 2026-08-09 11:00 639218698790485612
39 ms 85.119.83.109
34 2026-08-09 10:46 639218690367692706
16 ms 85.119.83.109
33 2026-08-09 10:32 639218681923173883
2129 ms 85.119.83.109
32 2026-08-09 10:18 639218673547179738
27 ms 85.119.83.109
31 2026-08-09 10:03 639218664890274867
98 ms 85.119.83.109
30 2026-08-09 09:48 639218656036928157
2047 ms 85.119.83.109
29 2026-08-09 08:57 639218624808018222
44 ms 85.119.83.109
28 2026-08-09 08:43 639218616243340806
45 ms 85.119.83.109
27 2026-08-09 08:28 639218607397811973
71 ms 85.119.83.109
26 2026-08-09 08:14 639218598812444454
76 ms 85.119.83.109
25 2026-08-09 08:00 639218590219570048
24 ms 85.119.83.109
24 2026-08-09 07:46 639218581690210758
48 ms 85.119.83.109
23 2026-08-09 07:31 639218573057388822
73 ms 85.119.83.109
22 2026-08-09 07:17 639218564408781785
43 ms 85.119.83.109
21 2026-08-09 07:02 639218555767188482
54 ms 85.119.83.109
20 2026-08-09 06:48 639218547142705295
98 ms 85.119.83.109
19 2026-08-09 06:33 639218538090114532
73 ms 85.119.83.109
18 2026-08-09 06:18 639218529257910584
34 ms 85.119.83.109
17 2026-08-09 05:27 639218498473231858
2040 ms 85.119.83.109
16 2026-08-09 05:13 639218489802113995
34 ms 85.119.83.109
15 2026-08-09 04:58 639218481006804516
44 ms 85.119.83.109
14 2026-08-09 04:43 639218472048712427
56 ms 85.119.83.109
13 2026-08-09 04:28 639218463224432974
7 ms 85.119.83.109
12 2026-08-09 04:14 639218454384107526
100 ms 85.119.83.109
11 2026-08-09 03:59 639218445331231791
61 ms 85.119.83.109
10 2026-08-09 03:44 639218436285215733
59 ms 85.119.83.109
9 2026-08-09 03:29 639218427289555123
48 ms 85.119.83.109
8 2026-08-09 03:13 639218418227819981
34 ms 85.119.83.109
7 2026-08-09 02:58 639218409119503123
46 ms 85.119.83.109
6 2026-08-09 02:43 639218399771712154
61 ms 85.119.83.109
5 2026-08-09 01:49 639218368648652303
66 ms 85.119.83.109
4 2026-08-09 01:34 639218359569598460
50 ms 85.119.83.109
3 2026-08-09 01:18 639218350555429902
88 ms 85.119.83.109
2 2026-08-09 01:03 639218341311543299
39 ms 85.119.83.109
1 2026-08-09 00:11 639218309981981465
61 ms 85.119.83.109