DNS response history for ns1.sanfranciscosmtp.com

ns1.sanfranciscosmtp.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 2026-08-25. For this date, NameServerHistory found 32 DNS check records, 32 successful responses, 0 failed responses, and 621 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.sanfranciscosmtp.com.
Records on Selected Date

32

Historical checks stored for this nameserver on selected date

Average Latency

621 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 11:32

All timestamps shown in UTC

Latest Resolved IP on Selected Date

66.175.233.231

Most recently resolved hosting IP on selected date

Successful Responses

32

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.sanfranciscosmtp.com

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
32 2026-08-25 11:32 639232535349285207
663 ms 66.175.233.231
31 2026-08-25 11:14 639232524938080723
659 ms 66.175.233.231
30 2026-08-25 10:21 639232492740373468
629 ms 66.175.233.231
29 2026-08-25 10:04 639232482235303141
629 ms 66.175.233.231
28 2026-08-25 09:46 639232471861770303
636 ms 66.175.233.231
27 2026-08-25 09:29 639232461630217327
626 ms 66.175.233.231
26 2026-08-25 09:12 639232451282965990
664 ms 66.175.233.231
25 2026-08-25 08:54 639232440814614938
614 ms 66.175.233.231
24 2026-08-25 08:37 639232430410720425
648 ms 66.175.233.231
23 2026-08-25 08:20 639232420003096185
461 ms 66.175.233.231
22 2026-08-25 08:02 639232409467287444
2203 ms 66.175.233.231
21 2026-08-25 07:45 639232399077195997
11 ms 66.175.233.231
20 2026-08-25 07:27 639232388731528337
610 ms 66.175.233.231
19 2026-08-25 07:10 639232378288598612
637 ms 66.175.233.231
18 2026-08-25 06:16 639232346196373643
633 ms 66.175.233.231
17 2026-08-25 05:59 639232336112370741
609 ms 66.175.233.231
16 2026-08-25 05:43 639232326146508970
176 ms 66.175.233.231
15 2026-08-25 05:26 639232316189381720
497 ms 66.175.233.231
14 2026-08-25 05:10 639232306217998913
631 ms 66.175.233.231
13 2026-08-25 04:53 639232296255744174
654 ms 66.175.233.231
12 2026-08-25 04:36 639232286095760789
636 ms 66.175.233.231
11 2026-08-25 04:19 639232276086186273
649 ms 66.175.233.231
10 2026-08-25 04:03 639232265900986425
2 ms 66.175.233.231
9 2026-08-25 03:46 639232255723518075
624 ms 66.175.233.231
8 2026-08-25 03:29 639232245484452890
629 ms 66.175.233.231
7 2026-08-25 03:11 639232235157175331
628 ms 66.175.233.231
6 2026-08-25 02:18 639232203197189095
649 ms 66.175.233.231
5 2026-08-25 02:01 639232192844564298
622 ms 66.175.233.231
4 2026-08-25 01:44 639232182496008942
653 ms 66.175.233.231
3 2026-08-25 01:26 639232172197053132
622 ms 66.175.233.231
2 2026-08-25 00:33 639232140250307418
648 ms 66.175.233.231
1 2026-08-25 00:16 639232129927860324
631 ms 66.175.233.231