DNS response history for ns1.fdsys.gov

ns1.fdsys.gov 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 2026-08-25. For this date, NameServerHistory found 39 DNS check records, 38 successful responses, 1 failed responses, and 241 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 ns1.fdsys.gov.
Records on Selected Date

39

Historical checks stored for this nameserver on selected date

Average Latency

241 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 13:22

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.159.4.127

Most recently resolved hosting IP on selected date

Successful Responses

38

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

3%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns1.fdsys.gov

Showing DNS history for 2026-08-25 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
39 2026-08-25 13:22 639232608016476376
29 ms 162.159.4.127
38 2026-08-25 13:04 639232597643611557
2035 ms 162.159.4.127
37 2026-08-25 12:47 639232587225721862
22 ms 162.159.4.127
36 2026-08-25 12:29 639232576780683689
26 ms 162.159.4.127
35 2026-08-25 12:12 639232566381512620
22 ms 162.159.4.127
34 2026-08-25 11:55 639232556111768563
27 ms 162.159.4.127
33 2026-08-25 11:38 639232545839529039
9 ms 162.159.4.127
32 2026-08-25 11:20 639232535349285207
22 ms 162.159.4.127
31 2026-08-25 11:03 639232524938080723
85 ms 162.159.4.127
30 2026-08-25 10:09 639232492740373468
42 ms 162.159.4.127
29 2026-08-25 09:52 639232482235303141
17 ms 162.159.4.127
28 2026-08-25 09:35 639232471861770303
73 ms 162.159.4.127
27 2026-08-25 09:18 639232461630217327
12 ms 162.159.4.127
26 2026-08-25 09:00 639232451282965990
33 ms 162.159.4.127
25 2026-08-25 08:43 639232440814614938
55 ms 162.159.4.127
24 2026-08-25 08:25 639232430410720425
20 ms 162.159.4.127
23 2026-08-25 08:08 639232420003096185
-
22 2026-08-25 07:51 639232409467287444
14 ms 162.159.4.127
21 2026-08-25 07:33 639232399077195997
9 ms 162.159.4.127
20 2026-08-25 07:16 639232388731528337
5 ms 162.159.4.127
19 2026-08-25 06:59 639232378288598612
8 ms 162.159.4.127
18 2026-08-25 06:05 639232346196373643
2048 ms 162.159.4.127
17 2026-08-25 05:48 639232336112370741
14 ms 162.159.4.127
16 2026-08-25 05:32 639232326146508970
45 ms 162.159.4.127
15 2026-08-25 05:15 639232316189381720
22 ms 162.159.4.127
14 2026-08-25 04:58 639232306217998913
2059 ms 162.159.4.127
13 2026-08-25 04:42 639232296255744174
55 ms 162.159.4.127
12 2026-08-25 04:25 639232286095760789
22 ms 162.159.4.127
11 2026-08-25 04:08 639232276086186273
52 ms 162.159.4.127
10 2026-08-25 03:51 639232265900986425
7 ms 162.159.4.127
9 2026-08-25 03:34 639232255723518075
59 ms 162.159.4.127
8 2026-08-25 03:17 639232245484452890
2020 ms 162.159.4.127
7 2026-08-25 03:00 639232235157175331
76 ms 162.159.4.127
6 2026-08-25 02:07 639232203197189095
45 ms 162.159.4.127
5 2026-08-25 01:50 639232192844564298
5 ms 162.159.4.127
4 2026-08-25 01:32 639232182496008942
25 ms 162.159.4.127
3 2026-08-25 01:15 639232172197053132
4 ms 162.159.4.127
2 2026-08-25 00:22 639232140250307418
26 ms 162.159.4.127
1 2026-08-25 00:05 639232129927860324
22 ms 162.159.4.127