DNS response history for ns4.fiserv.com

ns4.fiserv.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 2026-08-31. For this date, NameServerHistory found 71 DNS check records, 71 successful responses, 0 failed responses, and 85 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.fiserv.com.
Records on Selected Date

71

Historical checks stored for this nameserver on selected date

Average Latency

85 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-31 23:58

All timestamps shown in UTC

Latest Resolved IP on Selected Date

166.73.19.150

Most recently resolved hosting IP on selected date

Successful Responses

71

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.fiserv.com

Showing DNS history for 2026-08-31 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
71 2026-08-31 23:58 639238175054391781
21 ms 166.73.19.150
70 2026-08-31 23:40 639238164117437727
14 ms 166.73.19.150
69 2026-08-31 23:22 639238153343647435
28 ms 166.73.19.150
68 2026-08-31 23:04 639238142520473714
12 ms 166.73.19.150
67 2026-08-31 22:46 639238131745466751
40 ms 166.73.19.150
66 2026-08-31 22:28 639238120990576799
12 ms 166.73.19.150
65 2026-08-31 21:34 639238088948639656
120 ms 166.73.19.150
64 2026-08-31 21:17 639238078451435617
19 ms 166.73.19.150
63 2026-08-31 20:59 639238067818407820
11 ms 166.73.19.150
62 2026-08-31 20:42 639238057337242425
45 ms 166.73.19.150
61 2026-08-31 20:24 639238046718231047
14 ms 166.73.19.150
60 2026-08-31 20:07 639238036493480692
24 ms 166.73.19.150
59 2026-08-31 19:50 639238026138697113
9 ms 166.73.19.150
58 2026-08-31 19:33 639238015790028644
20 ms 166.73.19.150
57 2026-08-31 19:15 639238005382709909
43 ms 166.73.19.150
56 2026-08-31 18:58 639237995139195097
38 ms 166.73.19.150
55 2026-08-31 18:41 639237984659733710
63 ms 166.73.19.150
54 2026-08-31 18:23 639237974142394595
14 ms 166.73.19.150
53 2026-08-31 17:29 639237941910348424
32 ms 166.73.19.150
52 2026-08-31 17:12 639237931681671742
19 ms 166.73.19.150
51 2026-08-31 16:55 639237921365566692
7 ms 166.73.19.150
50 2026-08-31 16:38 639237910991948788
22 ms 166.73.19.150
49 2026-08-31 16:21 639237900605596198
10 ms 166.73.19.150
48 2026-08-31 16:03 639237890356235470
20 ms 166.73.19.150
47 2026-08-31 15:46 639237879936204342
10 ms 166.73.19.150
46 2026-08-31 15:29 639237869543741197
18 ms 166.73.19.150
45 2026-08-31 15:11 639237859138790045
31 ms 166.73.19.150
44 2026-08-31 14:54 639237848640463709
64 ms 166.73.19.150
43 2026-08-31 14:36 639237838098800325
51 ms 166.73.19.150
42 2026-08-31 14:19 639237827433935375
73 ms 166.73.19.150
41 2026-08-31 13:24 639237794785519897
32 ms 166.73.19.150
40 2026-08-31 13:07 639237784474116679
103 ms 166.73.19.150
39 2026-08-31 12:49 639237773965397189
20 ms 166.73.19.150
38 2026-08-31 12:32 639237763588542721
22 ms 166.73.19.150
37 2026-08-31 12:15 639237753225101103
12 ms 166.73.19.150
36 2026-08-31 11:58 639237742927117371
12 ms 166.73.19.150
35 2026-08-31 11:40 639237732538256235
28 ms 166.73.19.150
34 2026-08-31 11:23 639237722025682013
58 ms 166.73.19.150
33 2026-08-31 11:06 639237711568720101
42 ms 166.73.19.150
32 2026-08-31 10:48 639237701119461876
31 ms 166.73.19.150
31 2026-08-31 10:31 639237690759595513
113 ms 166.73.19.150
30 2026-08-31 10:13 639237680122296836
31 ms 166.73.19.150
29 2026-08-31 09:20 639237647999458954
18 ms 166.73.19.150
28 2026-08-31 09:02 639237637680951774
11 ms 166.73.19.150
27 2026-08-31 08:45 639237627437728712
13 ms 166.73.19.150
26 2026-08-31 08:28 639237617127808241
20 ms 166.73.19.150
25 2026-08-31 08:11 639237606990101394
28 ms 166.73.19.150
24 2026-08-31 07:54 639237596595480036
14 ms 166.73.19.150
23 2026-08-31 07:37 639237586261012001
29 ms 166.73.19.150
22 2026-08-31 07:20 639237576047657695
13 ms 166.73.19.150
21 2026-08-31 07:03 639237565832936443
18 ms 166.73.19.150
20 2026-08-31 06:45 639237555466329546
53 ms 166.73.19.150
19 2026-08-31 06:28 639237545032411072
2 ms 166.73.19.150
18 2026-08-31 06:10 639237534469438634
78 ms 166.73.19.150
17 2026-08-31 05:17 639237502279296801
25 ms 166.73.19.150
16 2026-08-31 05:00 639237492362730124
9 ms 166.73.19.150
15 2026-08-31 04:43 639237482311584319
5 ms 166.73.19.150
14 2026-08-31 04:26 639237472150685594
4 ms 166.73.19.150
13 2026-08-31 04:10 639237462055295430
15 ms 166.73.19.150
12 2026-08-31 03:53 639237452089913890
4 ms 166.73.19.150
11 2026-08-31 03:36 639237441972654103
38 ms 166.73.19.150
10 2026-08-31 03:20 639237432052396478
17 ms 166.73.19.150
9 2026-08-31 03:03 639237422012990851
5 ms 166.73.19.150
8 2026-08-31 02:46 639237411889602012
22 ms 166.73.19.150
7 2026-08-31 02:29 639237401637354221
40 ms 166.73.19.150
6 2026-08-31 02:12 639237391412690360
2025 ms 166.73.19.150
5 2026-08-31 01:20 639237359972957132
2013 ms 166.73.19.150
4 2026-08-31 01:03 639237350032183979
67 ms 166.73.19.150
3 2026-08-31 00:46 639237340111452066
22 ms 166.73.19.150
2 2026-08-31 00:29 639237329967272514
3 ms 166.73.19.150
1 2026-08-31 00:13 639237319916508151
19 ms 166.73.19.150