210.233.120.122

Basic Information

Network
KDDI KDDI CORPORATION (JP)
Routing
210.233.96.0/19 via AS7018 , AS3257 , AS2516
Protocols
465/SMTP, 25/SMTP
Tags
smtp

443/HTTPS


Details Go

25/SMTP


Details

Banner Grab and StartTLS Initiation

Banner
220 nkdb4.ad.nkc.co.jp ESMTP Service (IBM Domino Release 9.0.1FP10 HF591) ready at Sun, 10 Oct 2021 00:41:38 +0900
EHLO
250-nkdb4.ad.nkc.co.jp Hello eecs.umich.edu ([172.30.99.254]), pleased to meet you
250-TLS
250-HELP
250-STARTTLS
250-SIZE 14028800
250 PIPELINING
STARTTLS
220 Ready to start TLS

TLS Handshake

Version
TLSv1.2
Cipher Suite
TLS_RSA_WITH_AES_256_CBC_SHA (0x0035)

Certificate Chain

a3c066d3b108248390fabfede84db35e65d080a1da7a41d61241ebf328ab4341
C=JP, ST=TOKYO, O=Nihon Kohden corp., CN=nkdb4.ad.nkc.co.jp
C=JP, ST=TOKYO, O=Nihon Kohden Certificate Authority, OU=NIHON KOHDEN CERTIFICATE AUTHORITY, CN=Nihon Kohden CA
94e16b501579a86137cbce6d91a731f5ea1177394b6cbadf6d846430b95da229
C=JP, ST=TOKYO, O=Nihon Kohden Certificate Authority, OU=NIHON KOHDEN CERTIFICATE AUTHORITY, CN=Nihon Kohden CA
C=JP, ST=TOKYO, O=Nihon Kohden Certificate Authority, OU=NIHON KOHDEN CERTIFICATE AUTHORITY, CN=Nihon Kohden CA

465/SMTP


Details

Banner Grab

Banner
220 nkdb4.ad.nkc.co.jp ESMTP Service (IBM Domino Release 9.0.1FP10 HF591) ready at Tue, 12 Oct 2021 14:12:33 +0900

TLS Handshake

Version
TLSv1.2
Cipher Suite
TLS_RSA_WITH_AES_256_CBC_SHA (0x0035)

Certificate Chain

a3c066d3b108248390fabfede84db35e65d080a1da7a41d61241ebf328ab4341
C=JP, ST=TOKYO, O=Nihon Kohden corp., CN=nkdb4.ad.nkc.co.jp
C=JP, ST=TOKYO, O=Nihon Kohden Certificate Authority, OU=NIHON KOHDEN CERTIFICATE AUTHORITY, CN=Nihon Kohden CA

Geographic Location

City
Kokubunji
Province
Tokyo
Country
Japan (JP)
Lat/Long
35.7012, 139.4757
Timezone
Asia/Tokyo