DNS response history for ns51.theunknownserver.com

ns51.theunknownserver.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 2026-08-15. For this date, NameServerHistory found 76 DNS check records, 75 successful responses, 1 failed responses, and 241 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 ns51.theunknownserver.com.
Records on Selected Date

76

Historical checks stored for this nameserver on selected date

Average Latency

241 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-15 23:55

All timestamps shown in UTC

Latest Resolved IP on Selected Date

43.230.203.221

Most recently resolved hosting IP on selected date

Successful Responses

75

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns51.theunknownserver.com

Showing DNS history for 2026-08-15 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
76 2026-08-15 23:55 639224347685767174
37 ms 43.230.203.221
75 2026-08-15 23:39 639224338276675277
7 ms 43.230.203.221
74 2026-08-15 22:47 639224306594546649
46 ms 43.230.203.221
73 2026-08-15 22:31 639224297145423303
11 ms 43.230.203.221
72 2026-08-15 22:15 639224287678238833
6 ms 43.230.203.221
71 2026-08-15 22:00 639224278490872828
35 ms 43.230.203.221
70 2026-08-15 21:44 639224269149307826
16 ms 43.230.203.221
69 2026-08-15 21:29 639224259868597616
19 ms 43.230.203.221
68 2026-08-15 21:13 639224250518642175
22 ms 43.230.203.221
67 2026-08-15 20:58 639224241064772383
2020 ms 43.230.203.221
66 2026-08-15 20:42 639224231691099605
98 ms 43.230.203.221
65 2026-08-15 20:26 639224222468168159
83 ms 43.230.203.221
64 2026-08-15 20:11 639224213173899635
4 ms 43.230.203.221
63 2026-08-15 19:56 639224203914451783
46 ms 43.230.203.221
62 2026-08-15 19:03 639224172202542163
5 ms 43.230.203.221
61 2026-08-15 18:48 639224163338654093
17 ms 43.230.203.221
60 2026-08-15 18:33 639224154287995374
6 ms 43.230.203.221
59 2026-08-15 18:18 639224145118612503
12 ms 43.230.203.221
58 2026-08-15 18:03 639224135995990731
2023 ms 43.230.203.221
57 2026-08-15 17:48 639224127185332624
9 ms 43.230.203.221
56 2026-08-15 17:33 639224118229289175
12 ms 43.230.203.221
55 2026-08-15 17:18 639224109273796359
8 ms 43.230.203.221
54 2026-08-15 17:03 639224100490805608
7 ms 43.230.203.221
53 2026-08-15 16:48 639224091353714490
41 ms 43.230.203.221
52 2026-08-15 16:33 639224082033126828
4 ms 43.230.203.221
51 2026-08-15 16:17 639224072736962403
60 ms 43.230.203.221
50 2026-08-15 15:25 639224041475563754
2059 ms 43.230.203.221
49 2026-08-15 15:10 639224032345604453
17 ms 43.230.203.221
48 2026-08-15 14:54 639224023169497283
7 ms 43.230.203.221
47 2026-08-15 14:39 639224013981146405
22 ms 43.230.203.221
46 2026-08-15 14:24 639224004883412586
16 ms 43.230.203.221
45 2026-08-15 14:08 639223995612880615
10 ms 43.230.203.221
44 2026-08-15 13:53 639223986271830789
30 ms 43.230.203.221
43 2026-08-15 13:37 639223977005780949
16 ms 43.230.203.221
42 2026-08-15 13:22 639223967653137793
2030 ms 43.230.203.221
41 2026-08-15 13:06 639223958286010799
62 ms 43.230.203.221
40 2026-08-15 12:50 639223948936108345
14 ms 43.230.203.221
39 2026-08-15 12:35 639223939673066880
120 ms 43.230.203.221
38 2026-08-15 11:43 639223908317760530
13 ms 43.230.203.221
37 2026-08-15 11:28 639223898992594258
45 ms 43.230.203.221
36 2026-08-15 11:12 639223889761312823
37 ms 43.230.203.221
35 2026-08-15 10:57 639223880359273507
6 ms 43.230.203.221
34 2026-08-15 10:41 639223870920466808
35 ms 43.230.203.221
33 2026-08-15 10:25 639223861579762179
4 ms 43.230.203.221
32 2026-08-15 10:10 639223852238616009
41 ms 43.230.203.221
31 2026-08-15 09:54 639223843019815620
10 ms 43.230.203.221
30 2026-08-15 09:39 639223833669915012
11 ms 43.230.203.221
29 2026-08-15 09:23 639223824494613222
2072 ms 43.230.203.221
28 2026-08-15 09:08 639223815116325293
7 ms 43.230.203.221
27 2026-08-15 08:52 639223805493870221
13 ms 43.230.203.221
26 2026-08-15 07:59 639223774218660438
11 ms 43.230.203.221
25 2026-08-15 07:44 639223764663090372
2015 ms 43.230.203.221
24 2026-08-15 07:28 639223755338811400
18 ms 43.230.203.221
23 2026-08-15 07:12 639223746019193268
37 ms 43.230.203.221
22 2026-08-15 06:57 639223736658778104
28 ms 43.230.203.221
21 2026-08-15 06:41 639223727330194499
2021 ms 43.230.203.221
20 2026-08-15 06:25 639223717848514742
40 ms 43.230.203.221
19 2026-08-15 06:10 639223708284754056
53 ms 43.230.203.221
18 2026-08-15 05:54 639223699061259933
37 ms 43.230.203.221
17 2026-08-15 05:38 639223689592545140
10 ms 43.230.203.221
16 2026-08-15 05:22 639223680143410810
33 ms 43.230.203.221
15 2026-08-15 05:07 639223670514517104
21 ms 43.230.203.221
14 2026-08-15 04:13 639223638855054294
17 ms 43.230.203.221
13 2026-08-15 03:57 639223629623335972
45 ms 43.230.203.221
12 2026-08-15 03:42 639223620390189495
22 ms 43.230.203.221
11 2026-08-15 03:26 639223610916950440
9 ms 43.230.203.221
10 2026-08-15 03:11 639223601597759168
20 ms 43.230.203.221
9 2026-08-15 02:55 639223592342172093
2039 ms 43.230.203.221
8 2026-08-15 02:40 639223583324121497
23 ms 43.230.203.221
7 2026-08-15 02:25 639223574086714218
-
6 2026-08-15 02:09 639223564698424889
5 ms 43.230.203.221
5 2026-08-15 01:54 639223555408664206
4 ms 43.230.203.221
4 2026-08-15 01:38 639223546000912416
36 ms 43.230.203.221
3 2026-08-15 01:22 639223536550774847
43 ms 43.230.203.221
2 2026-08-15 00:30 639223505017205611
55 ms 43.230.203.221
1 2026-08-15 00:14 639223495784410207
54 ms 43.230.203.221