DNS response history for ns4.roundserv.com

ns4.roundserv.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 315 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 ns4.roundserv.com.
Records on Selected Date

60

Historical checks stored for this nameserver on selected date

Average Latency

315 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

138.201.121.122

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 ns4.roundserv.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
4 ms 138.201.121.122
59 2026-08-16 23:30 639225198045815385
24 ms 138.201.121.122
58 2026-08-16 22:38 639225166825544741
11 ms 138.201.121.122
57 2026-08-16 22:22 639225157549461269
99 ms 138.201.121.122
56 2026-08-16 22:06 639225147914556308
145 ms 138.201.121.122
55 2026-08-16 21:50 639225138472322960
9 ms 138.201.121.122
54 2026-08-16 20:58 639225107211236826
2036 ms 138.201.121.122
53 2026-08-16 20:42 639225097684457510
26 ms 138.201.121.122
52 2026-08-16 20:26 639225087942913396
24 ms 138.201.121.122
51 2026-08-16 20:10 639225078238684183
4042 ms 138.201.121.122
50 2026-08-16 19:18 639225046944151094
103 ms 138.201.121.122
49 2026-08-16 19:02 639225037234857231
-
48 2026-08-16 18:45 639225027423459920
45 ms 138.201.121.122
47 2026-08-16 18:29 639225017891613027
38 ms 138.201.121.122
46 2026-08-16 17:37 639224986298183527
11 ms 138.201.121.122
45 2026-08-16 17:21 639224976567107023
82 ms 138.201.121.122
44 2026-08-16 17:04 639224966709723386
42 ms 138.201.121.122
43 2026-08-16 16:48 639224957175756942
2028 ms 138.201.121.122
42 2026-08-16 15:56 639224925782379869
43 ms 138.201.121.122
41 2026-08-16 15:40 639224916429532459
38 ms 138.201.121.122
40 2026-08-16 15:24 639224906878325623
44 ms 138.201.121.122
39 2026-08-16 15:08 639224897258974385
30 ms 138.201.121.122
38 2026-08-16 14:17 639224866169532828
35 ms 138.201.121.122
37 2026-08-16 14:01 639224856561831915
21 ms 138.201.121.122
36 2026-08-16 13:44 639224846830897794
106 ms 138.201.121.122
35 2026-08-16 13:28 639224836975863283
2207 ms 138.201.121.122
34 2026-08-16 12:35 639224804985340946
24 ms 138.201.121.122
33 2026-08-16 12:19 639224795567782333
11 ms 138.201.121.122
32 2026-08-16 12:03 639224785914225250
17 ms 138.201.121.122
31 2026-08-16 11:47 639224776383854998
11 ms 138.201.121.122
30 2026-08-16 10:53 639224744252113993
6 ms 138.201.121.122
29 2026-08-16 10:37 639224734238905542
21 ms 138.201.121.122
28 2026-08-16 10:20 639224724335031221
48 ms 138.201.121.122
27 2026-08-16 10:04 639224714475244430
10 ms 138.201.121.122
26 2026-08-16 09:08 639224681063874153
24 ms 138.201.121.122
25 2026-08-16 08:51 639224671038956665
2045 ms 138.201.121.122
24 2026-08-16 08:35 639224661079806122
47 ms 138.201.121.122
23 2026-08-16 08:18 639224651169993038
54 ms 138.201.121.122
22 2026-08-16 07:25 639224618882283050
46 ms 138.201.121.122
21 2026-08-16 07:09 639224609519965372
15 ms 138.201.121.122
20 2026-08-16 06:53 639224599969658888
16 ms 138.201.121.122
19 2026-08-16 06:37 639224590360343307
18 ms 138.201.121.122
18 2026-08-16 05:45 639224558901831832
51 ms 138.201.121.122
17 2026-08-16 05:29 639224549678210576
5 ms 138.201.121.122
16 2026-08-16 05:14 639224540433420642
48 ms 138.201.121.122
15 2026-08-16 04:58 639224531046032443
9 ms 138.201.121.122
14 2026-08-16 04:06 639224499638024410
61 ms 138.201.121.122
13 2026-08-16 03:50 639224490358783451
49 ms 138.201.121.122
12 2026-08-16 03:35 639224481111410545
13 ms 138.201.121.122
11 2026-08-16 03:19 639224471809153772
49 ms 138.201.121.122
10 2026-08-16 02:26 639224440124457324
14 ms 138.201.121.122
9 2026-08-16 02:11 639224430921105721
154 ms 138.201.121.122
8 2026-08-16 01:55 639224421455433103
36 ms 138.201.121.122
7 2026-08-16 01:40 639224412089740331
14 ms 138.201.121.122
6 2026-08-16 01:25 639224403168392868
5 ms 138.201.121.122
5 2026-08-16 01:09 639224393856251387
2019 ms 138.201.121.122
4 2026-08-16 00:54 639224384677141438
101 ms 138.201.121.122
3 2026-08-16 00:39 639224375597986398
2125 ms 138.201.121.122
2 2026-08-16 00:24 639224366430296466
57 ms 138.201.121.122
1 2026-08-16 00:08 639224357218176789
44 ms 138.201.121.122