DNS response history for ns1.first-root.com

ns1.first-root.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 2026-08-21. For this date, NameServerHistory found 73 DNS check records, 73 successful responses, 0 failed responses, and 247 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.first-root.com.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

247 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:51

All timestamps shown in UTC

Latest Resolved IP on Selected Date

91.228.52.254

Most recently resolved hosting IP on selected date

Successful Responses

73

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 ns1.first-root.com

Showing DNS history for 2026-08-21 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
73 2026-08-21 23:51 639229527598660841
87 ms 91.228.52.254
72 2026-08-21 23:35 639229517954323214
54 ms 91.228.52.254
71 2026-08-21 23:18 639229508269999021
27 ms 91.228.52.254
70 2026-08-21 23:02 639229498559060171
31 ms 91.228.52.254
69 2026-08-21 22:46 639229488519347586
32 ms 91.228.52.254
68 2026-08-21 21:52 639229456606578934
27 ms 91.228.52.254
67 2026-08-21 21:36 639229446985772499
4 ms 91.228.52.254
66 2026-08-21 21:20 639229437367313098
111 ms 91.228.52.254
65 2026-08-21 21:04 639229427923950391
2022 ms 91.228.52.254
64 2026-08-21 20:48 639229418168588854
53 ms 91.228.52.254
63 2026-08-21 20:32 639229408345678334
28 ms 91.228.52.254
62 2026-08-21 20:15 639229398616354648
68 ms 91.228.52.254
61 2026-08-21 19:59 639229388634592323
84 ms 91.228.52.254
60 2026-08-21 19:43 639229378792837692
161 ms 91.228.52.254
59 2026-08-21 19:27 639229369154682311
44 ms 91.228.52.254
58 2026-08-21 19:10 639229359248017926
36 ms 91.228.52.254
57 2026-08-21 18:53 639229349124294642
112 ms 91.228.52.254
56 2026-08-21 18:01 639229317791715692
535 ms 91.228.52.254
55 2026-08-21 17:45 639229308115194575
25 ms 91.228.52.254
54 2026-08-21 17:29 639229298320320558
72 ms 91.228.52.254
53 2026-08-21 17:12 639229288674863221
49 ms 91.228.52.254
52 2026-08-21 16:56 639229278983677079
53 ms 91.228.52.254
51 2026-08-21 16:40 639229269405517175
36 ms 91.228.52.254
50 2026-08-21 16:24 639229259594798244
2045 ms 91.228.52.254
49 2026-08-21 16:08 639229249736681188
20 ms 91.228.52.254
48 2026-08-21 15:51 639229239699417787
29 ms 91.228.52.254
47 2026-08-21 15:34 639229229621964033
46 ms 91.228.52.254
46 2026-08-21 15:17 639229219567270965
25 ms 91.228.52.254
45 2026-08-21 15:00 639229209406666856
24 ms 91.228.52.254
44 2026-08-21 14:08 639229177815876178
12 ms 91.228.52.254
43 2026-08-21 13:52 639229168243572685
31 ms 91.228.52.254
42 2026-08-21 13:36 639229158599856475
43 ms 91.228.52.254
41 2026-08-21 13:20 639229148998940902
8 ms 91.228.52.254
40 2026-08-21 13:03 639229139276923594
11 ms 91.228.52.254
39 2026-08-21 12:47 639229129709912394
8 ms 91.228.52.254
38 2026-08-21 12:31 639229119801488500
4 ms 91.228.52.254
37 2026-08-21 12:15 639229110135262458
93 ms 91.228.52.254
36 2026-08-21 11:59 639229100336051392
29 ms 91.228.52.254
35 2026-08-21 11:42 639229090641415626
37 ms 91.228.52.254
34 2026-08-21 11:26 639229080702683947
548 ms 91.228.52.254
33 2026-08-21 11:09 639229070601456699
5 ms 91.228.52.254
32 2026-08-21 10:16 639229038947447232
3 ms 91.228.52.254
31 2026-08-21 10:00 639229029268708773
3 ms 91.228.52.254
30 2026-08-21 09:44 639229019647910603
36 ms 91.228.52.254
29 2026-08-21 09:28 639229009983843738
2034 ms 91.228.52.254
28 2026-08-21 09:12 639229000203331882
62 ms 91.228.52.254
27 2026-08-21 08:55 639228990302335999
8 ms 91.228.52.254
26 2026-08-21 08:39 639228980567740722
2018 ms 91.228.52.254
25 2026-08-21 08:23 639228970762445174
54 ms 91.228.52.254
24 2026-08-21 08:06 639228961065054445
144 ms 91.228.52.254
23 2026-08-21 07:50 639228951224649885
37 ms 91.228.52.254
22 2026-08-21 07:33 639228941303864592
36 ms 91.228.52.254
21 2026-08-21 07:17 639228931191328583
2036 ms 91.228.52.254
20 2026-08-21 06:24 639228899518173317
30 ms 91.228.52.254
19 2026-08-21 06:08 639228889785027669
2035 ms 91.228.52.254
18 2026-08-21 05:51 639228880106330161
41 ms 91.228.52.254
17 2026-08-21 05:35 639228870316184091
31 ms 91.228.52.254
16 2026-08-21 05:19 639228860695366512
15 ms 91.228.52.254
15 2026-08-21 05:03 639228851027209500
2107 ms 91.228.52.254
14 2026-08-21 04:47 639228841479265462
47 ms 91.228.52.254
13 2026-08-21 04:31 639228831752962260
53 ms 91.228.52.254
12 2026-08-21 04:15 639228821953295483
27 ms 91.228.52.254
11 2026-08-21 03:58 639228812227429953
48 ms 91.228.52.254
10 2026-08-21 03:42 639228802476107538
61 ms 91.228.52.254
9 2026-08-21 03:26 639228792525492032
96 ms 91.228.52.254
8 2026-08-21 02:33 639228761131421385
42 ms 91.228.52.254
7 2026-08-21 02:17 639228751571206692
29 ms 91.228.52.254
6 2026-08-21 02:01 639228741705571019
73 ms 91.228.52.254
5 2026-08-21 01:44 639228731642208228
3 ms 91.228.52.254
4 2026-08-21 00:52 639228700387002072
5 ms 91.228.52.254
3 2026-08-21 00:36 639228690742014433
7 ms 91.228.52.254
2 2026-08-21 00:19 639228680877937122
46 ms 91.228.52.254
1 2026-08-21 00:03 639228670775860800
4 ms 91.228.52.254