221.186.170.250

Basic Information

Network
OCN NTT Communications Corporation (JP)
Routing
221.184.0.0/13 via AS7018 , AS2914 , AS4713
Protocols
587/SMTP, 465/SMTP, 25/SMTP, 53/DNS
Tags
smtp dns

25/SMTP


Details

Banner Grab and StartTLS Initiation

Banner
220 unknown ESMTP
EHLO
250-osk1.osk.shoshin.co.jp Hello worker-11.sfj.censys-scanner.com [192.35.168.176], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-8BITMIME
250-SIZE 41943040
250-DSN
250-ETRN
250-AUTH LOGIN PLAIN
250-STARTTLS
250-DELIVERBY
250 HELP
STARTTLS
220 2.0.0 Ready to start TLS

TLS Handshake

Version
TLSv1.0
Cipher Suite
TLS_RSA_WITH_RC4_128_SHA (0x0005)

Certificate Chain

bb51ccb3351651f71646df528c7c8137dd1b18caeff7f02e2299d8c419a5714f
C=JA, ST=Tokyo, L=Chuoku, O=Shoshin Corp., CN=smtp.osk.shoshin.co.jp
C=JP, ST=Tokyo, O=Shoshin Corp., CN=osk1.osk.shoshin.co.jp
77601ca71d5c91db40dd536598f8ab51991f0fc7cc0797547bf1bbcc480f480a
C=JP, ST=Tokyo, O=Shoshin Corp., CN=osk1.osk.shoshin.co.jp
C=JP, ST=Tokyo, O=Shoshin Corp., CN=osk1.osk.shoshin.co.jp

465/SMTP


Details

Banner Grab

Banner
220 unknown ESMTP

TLS Handshake

Version
TLSv1.0
Cipher Suite
TLS_RSA_WITH_RC4_128_SHA (0x0005)

Certificate Chain

bb51ccb3351651f71646df528c7c8137dd1b18caeff7f02e2299d8c419a5714f
C=JA, ST=Tokyo, L=Chuoku, O=Shoshin Corp., CN=smtp.osk.shoshin.co.jp
C=JP, ST=Tokyo, O=Shoshin Corp., CN=osk1.osk.shoshin.co.jp

587/SMTP


Details

Banner Grab and StartTLS Initiation

Banner
220 unknown ESMTP
EHLO
250-osk1.osk.shoshin.co.jp Hello worker-05.sfj.censys-scanner.com [192.35.168.80], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-8BITMIME
250-SIZE 41943040
250-DSN
250-AUTH LOGIN PLAIN
250-STARTTLS
250-DELIVERBY
250 HELP
STARTTLS
220 2.0.0 Ready to start TLS

TLS Handshake

Version
TLSv1.0
Cipher Suite
TLS_RSA_WITH_RC4_128_SHA (0x0005)

Certificate Chain

bb51ccb3351651f71646df528c7c8137dd1b18caeff7f02e2299d8c419a5714f
C=JA, ST=Tokyo, L=Chuoku, O=Shoshin Corp., CN=smtp.osk.shoshin.co.jp
C=JP, ST=Tokyo, O=Shoshin Corp., CN=osk1.osk.shoshin.co.jp
77601ca71d5c91db40dd536598f8ab51991f0fc7cc0797547bf1bbcc480f480a
C=JP, ST=Tokyo, O=Shoshin Corp., CN=osk1.osk.shoshin.co.jp
C=JP, ST=Tokyo, O=Shoshin Corp., CN=osk1.osk.shoshin.co.jp

53/DNS


Details

Open Resolver Query

Open Resolver
True
Correct Answer
False

Authorities

(NS)
M.ROOT-SERVERS.NET
(NS)
A.ROOT-SERVERS.NET
(NS)
B.ROOT-SERVERS.NET
(NS)
C.ROOT-SERVERS.NET
(NS)
D.ROOT-SERVERS.NET
(NS)
E.ROOT-SERVERS.NET
(NS)
F.ROOT-SERVERS.NET
(NS)
G.ROOT-SERVERS.NET
(NS)
H.ROOT-SERVERS.NET
(NS)
I.ROOT-SERVERS.NET
(NS)
J.ROOT-SERVERS.NET
(NS)
K.ROOT-SERVERS.NET
(NS)
L.ROOT-SERVERS.NET

Geographic Location

City
Koriyama
Province
Fukushima-ken
Country
Japan (JP)
Lat/Long
37.3973, 140.3659
Timezone
Asia/Tokyo