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 2026-08-28. For this date, NameServerHistory found 56 DNS check records, 56 successful responses, 0 failed responses, and 29 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

56

Historical checks stored for this nameserver on selected date

Average Latency

29 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-28 23:44

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

56

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 2026-08-28 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
56 2026-08-28 23:44 639235574865467349
19 ms 166.73.19.150
55 2026-08-28 23:27 639235564640220198
22 ms 166.73.19.150
54 2026-08-28 23:10 639235554328938529
24 ms 166.73.19.150
53 2026-08-28 22:53 639235543879452837
41 ms 166.73.19.150
52 2026-08-28 21:59 639235511923394567
6 ms 166.73.19.150
51 2026-08-28 21:42 639235501571282412
4 ms 166.73.19.150
50 2026-08-28 21:25 639235491147763512
17 ms 166.73.19.150
49 2026-08-28 21:07 639235480607057252
63 ms 166.73.19.150
48 2026-08-28 20:14 639235448504869535
33 ms 166.73.19.150
47 2026-08-28 19:57 639235438205961423
22 ms 166.73.19.150
46 2026-08-28 19:39 639235427771603643
7 ms 166.73.19.150
45 2026-08-28 19:22 639235417327437217
60 ms 166.73.19.150
44 2026-08-28 18:29 639235385468729647
46 ms 166.73.19.150
43 2026-08-28 18:12 639235375227508188
29 ms 166.73.19.150
42 2026-08-28 17:54 639235364947407812
33 ms 166.73.19.150
41 2026-08-28 17:37 639235354434017190
31 ms 166.73.19.150
40 2026-08-28 16:44 639235322621629103
67 ms 166.73.19.150
39 2026-08-28 16:27 639235312230592801
133 ms 166.73.19.150
38 2026-08-28 16:09 639235301738139314
26 ms 166.73.19.150
37 2026-08-28 15:52 639235291168160936
13 ms 166.73.19.150
36 2026-08-28 14:58 639235258803654519
30 ms 166.73.19.150
35 2026-08-28 14:41 639235248596087996
22 ms 166.73.19.150
34 2026-08-28 14:23 639235238225955920
15 ms 166.73.19.150
33 2026-08-28 14:06 639235227727862105
19 ms 166.73.19.150
32 2026-08-28 13:12 639235195230848570
17 ms 166.73.19.150
31 2026-08-28 12:54 639235184840503274
22 ms 166.73.19.150
30 2026-08-28 12:37 639235174453894956
22 ms 166.73.19.150
29 2026-08-28 12:19 639235163898672622
44 ms 166.73.19.150
28 2026-08-28 11:26 639235132147470568
20 ms 166.73.19.150
27 2026-08-28 11:09 639235121907744088
11 ms 166.73.19.150
26 2026-08-28 10:52 639235111428014262
85 ms 166.73.19.150
25 2026-08-28 10:34 639235100921813626
14 ms 166.73.19.150
24 2026-08-28 09:41 639235068670703481
21 ms 166.73.19.150
23 2026-08-28 09:23 639235058337459445
16 ms 166.73.19.150
22 2026-08-28 09:06 639235047825109146
20 ms 166.73.19.150
21 2026-08-28 08:49 639235037383229033
19 ms 166.73.19.150
20 2026-08-28 07:56 639235005619242711
10 ms 166.73.19.150
19 2026-08-28 07:38 639234995310346584
9 ms 166.73.19.150
18 2026-08-28 07:21 639234984946548933
9 ms 166.73.19.150
17 2026-08-28 07:04 639234974608077290
29 ms 166.73.19.150
16 2026-08-28 06:10 639234942529845595
25 ms 166.73.19.150
15 2026-08-28 05:53 639234932259126627
20 ms 166.73.19.150
14 2026-08-28 05:36 639234921916735988
18 ms 166.73.19.150
13 2026-08-28 05:19 639234911470038027
46 ms 166.73.19.150
12 2026-08-28 04:26 639234879588411654
32 ms 166.73.19.150
11 2026-08-28 04:08 639234869341589104
20 ms 166.73.19.150
10 2026-08-28 03:51 639234859012216675
36 ms 166.73.19.150
9 2026-08-28 03:34 639234848695364934
15 ms 166.73.19.150
8 2026-08-28 02:41 639234816952458162
83 ms 166.73.19.150
7 2026-08-28 02:24 639234806773081598
20 ms 166.73.19.150
6 2026-08-28 02:07 639234796382955255
19 ms 166.73.19.150
5 2026-08-28 01:50 639234786015782563
44 ms 166.73.19.150
4 2026-08-28 00:56 639234753811917646
22 ms 166.73.19.150
3 2026-08-28 00:39 639234743739767811
46 ms 166.73.19.150
2 2026-08-28 00:22 639234733372362811
17 ms 166.73.19.150
1 2026-08-28 00:05 639234723048550337
21 ms 166.73.19.150