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 2026-08-16. For this date, NameServerHistory found 60 DNS check records, 59 successful responses, 1 failed responses, and 198 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

60

Historical checks stored for this nameserver on selected date

Average Latency

198 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-16 23:46

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

59

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

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 2026-08-16 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
60 2026-08-16 23:46 639225207490611656
2050 ms 51.81.139.32
59 2026-08-16 23:30 639225198045815385
53 ms 51.81.139.32
58 2026-08-16 22:38 639225166825544741
5 ms 51.81.139.32
57 2026-08-16 22:23 639225157549461269
2044 ms 51.81.139.32
56 2026-08-16 22:07 639225147914556308
27 ms 51.81.139.32
55 2026-08-16 21:51 639225138472322960
28 ms 51.81.139.32
54 2026-08-16 20:59 639225107211236826
29 ms 51.81.139.32
53 2026-08-16 20:43 639225097684457510
10 ms 51.81.139.32
52 2026-08-16 20:27 639225087942913396
18 ms 51.81.139.32
51 2026-08-16 20:11 639225078238684183
12 ms 51.81.139.32
50 2026-08-16 19:18 639225046944151094
38 ms 51.81.139.32
49 2026-08-16 19:02 639225037234857231
45 ms 51.81.139.32
48 2026-08-16 18:46 639225027423459920
36 ms 51.81.139.32
47 2026-08-16 18:30 639225017891613027
15 ms 51.81.139.32
46 2026-08-16 17:37 639224986298183527
12 ms 51.81.139.32
45 2026-08-16 17:21 639224976567107023
37 ms 51.81.139.32
44 2026-08-16 17:04 639224966709723386
7 ms 51.81.139.32
43 2026-08-16 16:48 639224957175756942
20 ms 51.81.139.32
42 2026-08-16 15:56 639224925782379869
12 ms 51.81.139.32
41 2026-08-16 15:41 639224916429532459
-
40 2026-08-16 15:25 639224906878325623
77 ms 51.81.139.32
39 2026-08-16 15:09 639224897258974385
41 ms 51.81.139.32
38 2026-08-16 14:17 639224866169532828
9 ms 51.81.139.32
37 2026-08-16 14:01 639224856561831915
38 ms 51.81.139.32
36 2026-08-16 13:45 639224846830897794
2103 ms 51.81.139.32
35 2026-08-16 13:28 639224836975863283
47 ms 51.81.139.32
34 2026-08-16 12:35 639224804985340946
8 ms 51.81.139.32
33 2026-08-16 12:19 639224795567782333
7 ms 51.81.139.32
32 2026-08-16 12:03 639224785914225250
10 ms 51.81.139.32
31 2026-08-16 11:47 639224776383854998
14 ms 51.81.139.32
30 2026-08-16 10:54 639224744252113993
40 ms 51.81.139.32
29 2026-08-16 10:37 639224734238905542
2020 ms 51.81.139.32
28 2026-08-16 10:20 639224724335031221
17 ms 51.81.139.32
27 2026-08-16 10:04 639224714475244430
23 ms 51.81.139.32
26 2026-08-16 09:08 639224681063874153
12 ms 51.81.139.32
25 2026-08-16 08:52 639224671038956665
71 ms 51.81.139.32
24 2026-08-16 08:35 639224661079806122
20 ms 51.81.139.32
23 2026-08-16 08:19 639224651169993038
9 ms 51.81.139.32
22 2026-08-16 07:25 639224618882283050
47 ms 51.81.139.32
21 2026-08-16 07:09 639224609519965372
14 ms 51.81.139.32
20 2026-08-16 06:53 639224599969658888
17 ms 51.81.139.32
19 2026-08-16 06:37 639224590360343307
9 ms 51.81.139.32
18 2026-08-16 05:45 639224558901831832
38 ms 51.81.139.32
17 2026-08-16 05:29 639224549678210576
28 ms 51.81.139.32
16 2026-08-16 05:14 639224540433420642
37 ms 51.81.139.32
15 2026-08-16 04:58 639224531046032443
2013 ms 51.81.139.32
14 2026-08-16 04:06 639224499638024410
6 ms 51.81.139.32
13 2026-08-16 03:51 639224490358783451
5 ms 51.81.139.32
12 2026-08-16 03:35 639224481111410545
28 ms 51.81.139.32
11 2026-08-16 03:20 639224471809153772
18 ms 51.81.139.32
10 2026-08-16 02:27 639224440124457324
21 ms 51.81.139.32
9 2026-08-16 02:12 639224430921105721
61 ms 51.81.139.32
8 2026-08-16 01:56 639224421455433103
118 ms 51.81.139.32
7 2026-08-16 01:40 639224412089740331
40 ms 51.81.139.32
6 2026-08-16 01:25 639224403168392868
48 ms 51.81.139.32
5 2026-08-16 01:10 639224393856251387
25 ms 51.81.139.32
4 2026-08-16 00:55 639224384677141438
13 ms 51.81.139.32
3 2026-08-16 00:39 639224375597986398
8 ms 51.81.139.32
2 2026-08-16 00:24 639224366430296466
21 ms 51.81.139.32
1 2026-08-16 00:09 639224357218176789
11 ms 51.81.139.32