DNS response history for ns1.sofiamail.net

ns1.sofiamail.net 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 2026-08-19. For this date, NameServerHistory found 74 DNS check records, 73 successful responses, 1 failed responses, and 272 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.sofiamail.net.
Records on Selected Date

74

Historical checks stored for this nameserver on selected date

Average Latency

272 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

51.15.128.156

Most recently resolved hosting IP on selected date

Successful Responses

73

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.sofiamail.net

Showing DNS history for 2026-08-19 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
74 2026-08-19 23:46 639227795899225951
241 ms 51.15.128.156
73 2026-08-19 23:30 639227786351762008
28 ms 51.15.128.156
72 2026-08-19 23:14 639227776640591733
170 ms 51.15.128.156
71 2026-08-19 22:58 639227767128841282
224 ms 51.15.128.156
70 2026-08-19 22:42 639227757477304711
34 ms 51.15.128.156
69 2026-08-19 22:26 639227747572098014
7 ms 51.15.128.156
68 2026-08-19 22:09 639227737588613113
225 ms 51.15.128.156
67 2026-08-19 21:17 639227706134603955
7 ms 51.15.128.156
66 2026-08-19 21:01 639227696589027396
32 ms 51.15.128.156
65 2026-08-19 20:45 639227687097707639
154 ms 51.15.128.156
64 2026-08-19 20:29 639227677474464487
2026 ms 51.15.128.156
63 2026-08-19 20:13 639227667767441118
42 ms 51.15.128.156
62 2026-08-19 19:56 639227657984833832
1546 ms 51.15.128.156
61 2026-08-19 19:40 639227648079992640
2189 ms 51.15.128.156
60 2026-08-19 19:23 639227638125048441
164 ms 51.15.128.156
59 2026-08-19 19:07 639227628211392142
302 ms 51.15.128.156
58 2026-08-19 18:50 639227618261696275
42 ms 51.15.128.156
57 2026-08-19 18:34 639227608366233645
-
56 2026-08-19 18:17 639227598301787588
24 ms 51.15.128.156
55 2026-08-19 17:24 639227566241010716
18 ms 51.15.128.156
54 2026-08-19 17:07 639227556454538959
4 ms 51.15.128.156
53 2026-08-19 16:51 639227546640305542
333 ms 51.15.128.156
52 2026-08-19 16:35 639227536965466472
4 ms 51.15.128.156
51 2026-08-19 16:18 639227527048658280
9 ms 51.15.128.156
50 2026-08-19 16:02 639227517386634438
39 ms 51.15.128.156
49 2026-08-19 15:46 639227507459551637
271 ms 51.15.128.156
48 2026-08-19 15:29 639227497515595277
9 ms 51.15.128.156
47 2026-08-19 15:12 639227487441798036
33 ms 51.15.128.156
46 2026-08-19 14:55 639227477445551863
161 ms 51.15.128.156
45 2026-08-19 14:38 639227467297067891
316 ms 51.15.128.156
44 2026-08-19 14:21 639227457057795635
31 ms 51.15.128.156
43 2026-08-19 13:28 639227425244777397
315 ms 51.15.128.156
42 2026-08-19 13:12 639227415422116485
2061 ms 51.15.128.156
41 2026-08-19 12:55 639227405307256053
362 ms 51.15.128.156
40 2026-08-19 12:39 639227395396602630
27 ms 51.15.128.156
39 2026-08-19 12:22 639227385510363611
24 ms 51.15.128.156
38 2026-08-19 12:05 639227375508324850
31 ms 51.15.128.156
37 2026-08-19 11:49 639227365326611906
232 ms 51.15.128.156
36 2026-08-19 11:32 639227355360014208
3 ms 51.15.128.156
35 2026-08-19 11:15 639227345036782165
43 ms 51.15.128.156
34 2026-08-19 10:58 639227334992964533
187 ms 51.15.128.156
33 2026-08-19 10:41 639227324986605572
2185 ms 51.15.128.156
32 2026-08-19 10:24 639227314928414539
38 ms 51.15.128.156
31 2026-08-19 09:31 639227283029182134
177 ms 51.15.128.156
30 2026-08-19 09:15 639227273294779350
25 ms 51.15.128.156
29 2026-08-19 08:59 639227263525231313
280 ms 51.15.128.156
28 2026-08-19 08:42 639227253578313363
34 ms 51.15.128.156
27 2026-08-19 08:26 639227243649973322
2025 ms 51.15.128.156
26 2026-08-19 08:09 639227233581059317
167 ms 51.15.128.156
25 2026-08-19 07:52 639227223667352067
24 ms 51.15.128.156
24 2026-08-19 07:36 639227213714837066
30 ms 51.15.128.156
23 2026-08-19 07:19 639227203701208496
23 ms 51.15.128.156
22 2026-08-19 07:02 639227193643202179
88 ms 51.15.128.156
21 2026-08-19 06:46 639227183584431597
254 ms 51.15.128.156
20 2026-08-19 06:29 639227173347403088
323 ms 51.15.128.156
19 2026-08-19 05:36 639227141523007601
145 ms 51.15.128.156
18 2026-08-19 05:19 639227131785931574
32 ms 51.15.128.156
17 2026-08-19 05:03 639227122176475389
361 ms 51.15.128.156
16 2026-08-19 04:47 639227112668934596
39 ms 51.15.128.156
15 2026-08-19 04:31 639227102773292788
25 ms 51.15.128.156
14 2026-08-19 04:15 639227093141136930
35 ms 51.15.128.156
13 2026-08-19 03:59 639227083449420147
168 ms 51.15.128.156
12 2026-08-19 03:43 639227073771748493
19 ms 51.15.128.156
11 2026-08-19 03:26 639227063977347614
331 ms 51.15.128.156
10 2026-08-19 03:10 639227054253519024
189 ms 51.15.128.156
9 2026-08-19 02:53 639227044381963886
305 ms 51.15.128.156
8 2026-08-19 02:37 639227034441085514
65 ms 51.15.128.156
7 2026-08-19 01:45 639227003126489968
16 ms 51.15.128.156
6 2026-08-19 01:29 639226993456311614
40 ms 51.15.128.156
5 2026-08-19 01:13 639226983847312345
173 ms 51.15.128.156
4 2026-08-19 00:57 639226974357874853
11 ms 51.15.128.156
3 2026-08-19 00:41 639226964670484721
169 ms 51.15.128.156
2 2026-08-19 00:24 639226954857899696
27 ms 51.15.128.156
1 2026-08-19 00:08 639226945091603488
36 ms 51.15.128.156