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 2026-08-19. For this date, NameServerHistory found 75 DNS check records, 75 successful responses, 0 failed responses, and 174 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

75

Historical checks stored for this nameserver on selected date

Average Latency

174 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:56

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

75

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 ns4.roundserv.com

Showing DNS history for 2026-08-19 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
75 2026-08-19 23:56 639227805445376839
30 ms 138.201.121.122
74 2026-08-19 23:40 639227795899225951
33 ms 138.201.121.122
73 2026-08-19 23:24 639227786351762008
4 ms 138.201.121.122
72 2026-08-19 23:08 639227776640591733
33 ms 138.201.121.122
71 2026-08-19 22:52 639227767128841282
4 ms 138.201.121.122
70 2026-08-19 22:36 639227757477304711
16 ms 138.201.121.122
69 2026-08-19 22:19 639227747572098014
35 ms 138.201.121.122
68 2026-08-19 22:03 639227737588613113
69 ms 138.201.121.122
67 2026-08-19 21:10 639227706134603955
38 ms 138.201.121.122
66 2026-08-19 20:54 639227696589027396
140 ms 138.201.121.122
65 2026-08-19 20:38 639227687097707639
7 ms 138.201.121.122
64 2026-08-19 20:22 639227677474464487
30 ms 138.201.121.122
63 2026-08-19 20:06 639227667767441118
21 ms 138.201.121.122
62 2026-08-19 19:50 639227657984833832
108 ms 138.201.121.122
61 2026-08-19 19:33 639227648079992640
44 ms 138.201.121.122
60 2026-08-19 19:17 639227638125048441
25 ms 138.201.121.122
59 2026-08-19 19:00 639227628211392142
95 ms 138.201.121.122
58 2026-08-19 18:44 639227618261696275
78 ms 138.201.121.122
57 2026-08-19 18:27 639227608366233645
34 ms 138.201.121.122
56 2026-08-19 18:10 639227598301787588
95 ms 138.201.121.122
55 2026-08-19 17:17 639227566241010716
9 ms 138.201.121.122
54 2026-08-19 17:01 639227556454538959
56 ms 138.201.121.122
53 2026-08-19 16:44 639227546640305542
38 ms 138.201.121.122
52 2026-08-19 16:28 639227536965466472
7 ms 138.201.121.122
51 2026-08-19 16:12 639227527048658280
32 ms 138.201.121.122
50 2026-08-19 15:56 639227517386634438
2024 ms 138.201.121.122
49 2026-08-19 15:39 639227507459551637
11 ms 138.201.121.122
48 2026-08-19 15:22 639227497515595277
21 ms 138.201.121.122
47 2026-08-19 15:06 639227487441798036
43 ms 138.201.121.122
46 2026-08-19 14:49 639227477445551863
10 ms 138.201.121.122
45 2026-08-19 14:32 639227467297067891
151 ms 138.201.121.122
44 2026-08-19 14:15 639227457057795635
32 ms 138.201.121.122
43 2026-08-19 13:22 639227425244777397
18 ms 138.201.121.122
42 2026-08-19 13:06 639227415422116485
13 ms 138.201.121.122
41 2026-08-19 12:49 639227405307256053
104 ms 138.201.121.122
40 2026-08-19 12:32 639227395396602630
45 ms 138.201.121.122
39 2026-08-19 12:16 639227385510363611
30 ms 138.201.121.122
38 2026-08-19 11:59 639227375508324850
2043 ms 138.201.121.122
37 2026-08-19 11:42 639227365326611906
21 ms 138.201.121.122
36 2026-08-19 11:25 639227355360014208
2059 ms 138.201.121.122
35 2026-08-19 11:08 639227345036782165
7 ms 138.201.121.122
34 2026-08-19 10:51 639227334992964533
11 ms 138.201.121.122
33 2026-08-19 10:35 639227324986605572
59 ms 138.201.121.122
32 2026-08-19 10:18 639227314928414539
13 ms 138.201.121.122
31 2026-08-19 09:25 639227283029182134
2048 ms 138.201.121.122
30 2026-08-19 09:09 639227273294779350
96 ms 138.201.121.122
29 2026-08-19 08:52 639227263525231313
13 ms 138.201.121.122
28 2026-08-19 08:36 639227253578313363
5 ms 138.201.121.122
27 2026-08-19 08:19 639227243649973322
15 ms 138.201.121.122
26 2026-08-19 08:03 639227233581059317
2276 ms 138.201.121.122
25 2026-08-19 07:46 639227223667352067
50 ms 138.201.121.122
24 2026-08-19 07:29 639227213714837066
13 ms 138.201.121.122
23 2026-08-19 07:13 639227203701208496
40 ms 138.201.121.122
22 2026-08-19 06:56 639227193643202179
40 ms 138.201.121.122
21 2026-08-19 06:39 639227183584431597
31 ms 138.201.121.122
20 2026-08-19 06:22 639227173347403088
8 ms 138.201.121.122
19 2026-08-19 05:29 639227141523007601
38 ms 138.201.121.122
18 2026-08-19 05:13 639227131785931574
55 ms 138.201.121.122
17 2026-08-19 04:57 639227122176475389
16 ms 138.201.121.122
16 2026-08-19 04:41 639227112668934596
4 ms 138.201.121.122
15 2026-08-19 04:25 639227102773292788
9 ms 138.201.121.122
14 2026-08-19 04:08 639227093141136930
8 ms 138.201.121.122
13 2026-08-19 03:52 639227083449420147
10 ms 138.201.121.122
12 2026-08-19 03:36 639227073771748493
17 ms 138.201.121.122
11 2026-08-19 03:20 639227063977347614
7 ms 138.201.121.122
10 2026-08-19 03:04 639227054253519024
65 ms 138.201.121.122
9 2026-08-19 02:47 639227044381963886
14 ms 138.201.121.122
8 2026-08-19 02:31 639227034441085514
77 ms 138.201.121.122
7 2026-08-19 01:38 639227003126489968
15 ms 138.201.121.122
6 2026-08-19 01:22 639226993456311614
134 ms 138.201.121.122
5 2026-08-19 01:06 639226983847312345
24 ms 138.201.121.122
4 2026-08-19 00:50 639226974357874853
37 ms 138.201.121.122
3 2026-08-19 00:34 639226964670484721
8 ms 138.201.121.122
2 2026-08-19 00:18 639226954857899696
58 ms 138.201.121.122
1 2026-08-19 00:02 639226945091603488
6 ms 138.201.121.122