DNS response history for ybbsmtp.mail.yahoo.co.jp

ybbsmtp.mail.yahoo.co.jp 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 2026-08-27. For this date, NameServerHistory found 16 DNS check records, 16 successful responses, 0 failed responses, and 579 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 ybbsmtp.mail.yahoo.co.jp.
Records on Selected Date

16

Historical checks stored for this nameserver on selected date

Average Latency

579 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 04:56

All timestamps shown in UTC

Latest Resolved IP on Selected Date

183.79.223.247

Most recently resolved hosting IP on selected date

Successful Responses

16

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 ybbsmtp.mail.yahoo.co.jp

Showing DNS history for 2026-08-27 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
16 2026-08-27 04:56 639234024739225358
585 ms 183.79.223.247
15 2026-08-27 04:38 639234014311170162
549 ms 114.111.83.248
14 2026-08-27 04:21 639234003806017640
538 ms 114.111.83.248
13 2026-08-27 04:04 639233993356203030
553 ms 118.151.251.248
12 2026-08-27 03:10 639233961301716608
530 ms 118.151.251.248
11 2026-08-27 02:53 639233950834200647
523 ms 118.151.251.248
10 2026-08-27 02:35 639233940431849026
553 ms 182.22.21.245
9 2026-08-27 02:18 639233930110596398
560 ms 182.22.21.245
8 2026-08-27 02:01 639233919705434540
544 ms 118.151.251.248
7 2026-08-27 01:44 639233909452807845
562 ms 114.111.83.248
6 2026-08-27 01:26 639233899096420820
554 ms 183.79.223.247
5 2026-08-27 01:09 639233888707824939
534 ms 183.79.223.247
4 2026-08-27 00:52 639233878461203802
1073 ms 114.111.83.248
3 2026-08-27 00:35 639233868060868209
534 ms 182.22.21.245
2 2026-08-27 00:17 639233857450922991
546 ms 182.22.21.245
1 2026-08-27 00:00 639233846871926285
521 ms 183.79.223.247