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 2026-08-15. For this date, NameServerHistory found 77 DNS check records, 76 successful responses, 1 failed responses, and 224 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

77

Historical checks stored for this nameserver on selected date

Average Latency

224 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-15 23:57

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

76

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

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 2026-08-15 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
77 2026-08-15 23:57 639224347685767174
5 ms 91.228.52.254
76 2026-08-15 23:42 639224338276675277
41 ms 91.228.52.254
75 2026-08-15 22:49 639224306594546649
27 ms 91.228.52.254
74 2026-08-15 22:34 639224297145423303
46 ms 91.228.52.254
73 2026-08-15 22:18 639224287678238833
16 ms 91.228.52.254
72 2026-08-15 22:02 639224278490872828
21 ms 91.228.52.254
71 2026-08-15 21:47 639224269149307826
53 ms 91.228.52.254
70 2026-08-15 21:31 639224259868597616
41 ms 91.228.52.254
69 2026-08-15 21:16 639224250518642175
31 ms 91.228.52.254
68 2026-08-15 21:00 639224241064772383
52 ms 91.228.52.254
67 2026-08-15 20:45 639224231691099605
17 ms 91.228.52.254
66 2026-08-15 20:29 639224222468168159
5 ms 91.228.52.254
65 2026-08-15 20:14 639224213173899635
42 ms 91.228.52.254
64 2026-08-15 19:58 639224203914451783
28 ms 91.228.52.254
63 2026-08-15 19:05 639224172202542163
36 ms 91.228.52.254
62 2026-08-15 18:51 639224163338654093
16 ms 91.228.52.254
61 2026-08-15 18:36 639224154287995374
66 ms 91.228.52.254
60 2026-08-15 18:20 639224145118612503
64 ms 91.228.52.254
59 2026-08-15 18:05 639224135995990731
104 ms 91.228.52.254
58 2026-08-15 17:50 639224127185332624
60 ms 91.228.52.254
57 2026-08-15 17:35 639224118229289175
10 ms 91.228.52.254
56 2026-08-15 17:21 639224109273796359
24 ms 91.228.52.254
55 2026-08-15 17:06 639224100490805608
37 ms 91.228.52.254
54 2026-08-15 16:51 639224091353714490
111 ms 91.228.52.254
53 2026-08-15 16:35 639224082033126828
134 ms 91.228.52.254
52 2026-08-15 16:20 639224072736962403
2125 ms 91.228.52.254
51 2026-08-15 15:27 639224041475563754
17 ms 91.228.52.254
50 2026-08-15 15:12 639224032345604453
7 ms 91.228.52.254
49 2026-08-15 14:57 639224023169497283
53 ms 91.228.52.254
48 2026-08-15 14:42 639224013981146405
2008 ms 91.228.52.254
47 2026-08-15 14:26 639224004883412586
42 ms 91.228.52.254
46 2026-08-15 14:11 639223995612880615
11 ms 91.228.52.254
45 2026-08-15 13:55 639223986271830789
26 ms 91.228.52.254
44 2026-08-15 13:40 639223977005780949
63 ms 91.228.52.254
43 2026-08-15 13:24 639223967653137793
13 ms 91.228.52.254
42 2026-08-15 13:09 639223958286010799
2010 ms 91.228.52.254
41 2026-08-15 12:53 639223948936108345
8 ms 91.228.52.254
40 2026-08-15 12:38 639223939673066880
8 ms 91.228.52.254
39 2026-08-15 11:46 639223908317760530
30 ms 91.228.52.254
38 2026-08-15 11:30 639223898992594258
8 ms 91.228.52.254
37 2026-08-15 11:15 639223889761312823
63 ms 91.228.52.254
36 2026-08-15 10:59 639223880359273507
29 ms 91.228.52.254
35 2026-08-15 10:44 639223870920466808
27 ms 91.228.52.254
34 2026-08-15 10:28 639223861579762179
18 ms 91.228.52.254
33 2026-08-15 10:12 639223852238616009
96 ms 91.228.52.254
32 2026-08-15 09:57 639223843019815620
33 ms 91.228.52.254
31 2026-08-15 09:41 639223833669915012
45 ms 91.228.52.254
30 2026-08-15 09:26 639223824494613222
34 ms 91.228.52.254
29 2026-08-15 09:10 639223815116325293
2100 ms 91.228.52.254
28 2026-08-15 08:55 639223805493870221
14 ms 91.228.52.254
27 2026-08-15 08:01 639223774218660438
11 ms 91.228.52.254
26 2026-08-15 07:45 639223764663090372
-
25 2026-08-15 07:29 639223755338811400
72 ms 91.228.52.254
24 2026-08-15 07:14 639223746019193268
7 ms 91.228.52.254
23 2026-08-15 06:58 639223736658778104
38 ms 91.228.52.254
22 2026-08-15 06:42 639223727330194499
8 ms 91.228.52.254
21 2026-08-15 06:27 639223717848514742
34 ms 91.228.52.254
20 2026-08-15 06:11 639223708284754056
51 ms 91.228.52.254
19 2026-08-15 05:55 639223699061259933
45 ms 91.228.52.254
18 2026-08-15 05:40 639223689592545140
2036 ms 91.228.52.254
17 2026-08-15 05:24 639223680143410810
2023 ms 91.228.52.254
16 2026-08-15 05:08 639223670514517104
93 ms 91.228.52.254
15 2026-08-15 04:15 639223638855054294
26 ms 91.228.52.254
14 2026-08-15 04:00 639223629623335972
12 ms 91.228.52.254
13 2026-08-15 03:44 639223620390189495
2055 ms 91.228.52.254
12 2026-08-15 03:29 639223610916950440
132 ms 91.228.52.254
11 2026-08-15 03:13 639223601597759168
78 ms 91.228.52.254
10 2026-08-15 02:58 639223592342172093
74 ms 91.228.52.254
9 2026-08-15 02:43 639223583324121497
47 ms 91.228.52.254
8 2026-08-15 02:27 639223574086714218
15 ms 91.228.52.254
7 2026-08-15 02:12 639223564698424889
30 ms 91.228.52.254
6 2026-08-15 01:56 639223555408664206
40 ms 91.228.52.254
5 2026-08-15 01:40 639223546000912416
58 ms 91.228.52.254
4 2026-08-15 01:25 639223536550774847
30 ms 91.228.52.254
3 2026-08-15 00:33 639223505017205611
30 ms 91.228.52.254
2 2026-08-15 00:17 639223495784410207
3 ms 91.228.52.254
1 2026-08-15 00:02 639223486524583054
29 ms 91.228.52.254