DNS response history for us-dns.f2hcloud.com

us-dns.f2hcloud.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 381 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 us-dns.f2hcloud.com.
Records on Selected Date

76

Historical checks stored for this nameserver on selected date

Average Latency

381 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-15 23:53

All timestamps shown in UTC

Latest Resolved IP on Selected Date

51.81.139.32

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 us-dns.f2hcloud.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 23:53 639224347685767174
23 ms 51.81.139.32
75 2026-08-15 23:37 639224338276675277
50 ms 51.81.139.32
74 2026-08-15 22:45 639224306594546649
16 ms 51.81.139.32
73 2026-08-15 22:29 639224297145423303
26 ms 51.81.139.32
72 2026-08-15 22:13 639224287678238833
9 ms 51.81.139.32
71 2026-08-15 21:58 639224278490872828
76 ms 51.81.139.32
70 2026-08-15 21:42 639224269149307826
20 ms 51.81.139.32
69 2026-08-15 21:27 639224259868597616
9 ms 51.81.139.32
68 2026-08-15 21:11 639224250518642175
27 ms 51.81.139.32
67 2026-08-15 20:55 639224241064772383
37 ms 51.81.139.32
66 2026-08-15 20:40 639224231691099605
22 ms 51.81.139.32
65 2026-08-15 20:24 639224222468168159
12 ms 51.81.139.32
64 2026-08-15 20:09 639224213173899635
2019 ms 51.81.139.32
63 2026-08-15 19:53 639224203914451783
296 ms 51.81.139.32
62 2026-08-15 19:00 639224172202542163
2041 ms 51.81.139.32
61 2026-08-15 18:46 639224163338654093
17 ms 51.81.139.32
60 2026-08-15 18:30 639224154287995374
10 ms 51.81.139.32
59 2026-08-15 18:15 639224145118612503
59 ms 51.81.139.32
58 2026-08-15 18:00 639224135995990731
11 ms 51.81.139.32
57 2026-08-15 17:45 639224127185332624
10 ms 51.81.139.32
56 2026-08-15 17:30 639224118229289175
26 ms 51.81.139.32
55 2026-08-15 17:16 639224109273796359
26 ms 51.81.139.32
54 2026-08-15 17:01 639224100490805608
2032 ms 51.81.139.32
53 2026-08-15 16:46 639224091353714490
10 ms 51.81.139.32
52 2026-08-15 16:30 639224082033126828
15 ms 51.81.139.32
51 2026-08-15 16:15 639224072736962403
16 ms 51.81.139.32
50 2026-08-15 15:22 639224041475563754
6 ms 51.81.139.32
49 2026-08-15 15:07 639224032345604453
12 ms 51.81.139.32
48 2026-08-15 14:52 639224023169497283
2053 ms 51.81.139.32
47 2026-08-15 14:37 639224013981146405
7 ms 51.81.139.32
46 2026-08-15 14:21 639224004883412586
37 ms 51.81.139.32
45 2026-08-15 14:06 639223995612880615
2035 ms 51.81.139.32
44 2026-08-15 13:50 639223986271830789
41 ms 51.81.139.32
43 2026-08-15 13:35 639223977005780949
26 ms 51.81.139.32
42 2026-08-15 13:19 639223967653137793
34 ms 51.81.139.32
41 2026-08-15 13:04 639223958286010799
31 ms 51.81.139.32
40 2026-08-15 12:48 639223948936108345
7 ms 51.81.139.32
39 2026-08-15 12:33 639223939673066880
11 ms 51.81.139.32
38 2026-08-15 11:40 639223908317760530
2077 ms 51.81.139.32
37 2026-08-15 11:25 639223898992594258
7 ms 51.81.139.32
36 2026-08-15 11:09 639223889761312823
35 ms 51.81.139.32
35 2026-08-15 10:54 639223880359273507
9 ms 51.81.139.32
34 2026-08-15 10:38 639223870920466808
-
33 2026-08-15 10:22 639223861579762179
71 ms 51.81.139.32
32 2026-08-15 10:07 639223852238616009
59 ms 51.81.139.32
31 2026-08-15 09:51 639223843019815620
2023 ms 51.81.139.32
30 2026-08-15 09:36 639223833669915012
10 ms 51.81.139.32
29 2026-08-15 09:20 639223824494613222
2042 ms 51.81.139.32
28 2026-08-15 09:05 639223815116325293
30 ms 51.81.139.32
27 2026-08-15 08:49 639223805493870221
13 ms 51.81.139.32
26 2026-08-15 07:57 639223774218660438
2033 ms 51.81.139.32
25 2026-08-15 07:41 639223764663090372
2040 ms 51.81.139.32
24 2026-08-15 07:25 639223755338811400
54 ms 51.81.139.32
23 2026-08-15 07:10 639223746019193268
20 ms 51.81.139.32
22 2026-08-15 06:54 639223736658778104
109 ms 51.81.139.32
21 2026-08-15 06:38 639223727330194499
59 ms 51.81.139.32
20 2026-08-15 06:23 639223717848514742
2095 ms 51.81.139.32
19 2026-08-15 06:07 639223708284754056
15 ms 51.81.139.32
18 2026-08-15 05:51 639223699061259933
2029 ms 51.81.139.32
17 2026-08-15 05:36 639223689592545140
36 ms 51.81.139.32
16 2026-08-15 05:20 639223680143410810
6 ms 51.81.139.32
15 2026-08-15 05:04 639223670514517104
91 ms 51.81.139.32
14 2026-08-15 04:11 639223638855054294
33 ms 51.81.139.32
13 2026-08-15 03:56 639223629623335972
12 ms 51.81.139.32
12 2026-08-15 03:40 639223620390189495
5 ms 51.81.139.32
11 2026-08-15 03:24 639223610916950440
15 ms 51.81.139.32
10 2026-08-15 03:09 639223601597759168
35 ms 51.81.139.32
9 2026-08-15 02:53 639223592342172093
5 ms 51.81.139.32
8 2026-08-15 02:38 639223583324121497
12 ms 51.81.139.32
7 2026-08-15 02:23 639223574086714218
40 ms 51.81.139.32
6 2026-08-15 02:07 639223564698424889
15 ms 51.81.139.32
5 2026-08-15 01:52 639223555408664206
75 ms 51.81.139.32
4 2026-08-15 01:36 639223546000912416
19 ms 51.81.139.32
3 2026-08-15 01:20 639223536550774847
2088 ms 51.81.139.32
2 2026-08-15 00:28 639223505017205611
55 ms 51.81.139.32
1 2026-08-15 00:13 639223495784410207
9 ms 51.81.139.32