220 n100-008-018 ESMTP ready
250-n100-008-018
250-AUTH PLAIN LOGIN
250 STARTTLS
SSL Certificate
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
0a:a8:c1:40:ab:7e:21:01:b4:fb:08:56:06:96:02:b3
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=US, O=DigiCert, Inc., CN=GeoTrust Global TLS RSA4096 SHA256 2022 CA1
Validity
Not Before: Nov 3 00:00:00 2023 GMT
Not After : Nov 3 23:59:59 2024 GMT
Subject: CN=*.mail.bytedance.com
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:e8:b6:72:ee:8e:25:2a:5e:24:fb:b7:31:8f:44:
ea:5c:cc:07:b8:6d:98:4f:62:2b:ba:3a:c5:af:09:
03:d7:a2:ad:af:45:5c:80:b6:9e:a8:21:38:10:85:
67:65:52:63:c5:5c:a6:cf:1c:08:80:f8:8d:9a:38:
98:43:dd:2f:55:f5:8d:ef:35:bb:04:19:1f:83:0b:
27:44:b3:65:4f:20:51:13:05:b3:d3:97:f7:28:af:
c0:21:01:48:72:05:4c:f4:d6:34:c0:bb:5c:c8:7a:
3a:ce:1b:fc:23:9d:78:37:b5:e6:d8:95:04:79:55:
6a:e2:ba:d6:f0:c5:15:34:9c:49:f2:a5:03:b2:55:
e9:d6:fb:6e:3b:b4:d3:f2:17:b6:39:89:f4:03:45:
bd:a4:c0:2f:f0:38:19:5d:fc:9c:b6:c9:d4:76:8f:
fc:23:e4:19:b4:ed:9f:9f:9e:2c:2d:2f:f8:d0:7a:
a3:5f:c4:f9:06:fa:a2:fb:15:d4:92:20:d2:6d:5d:
08:3f:00:87:3e:4e:35:24:69:cd:57:60:63:83:95:
35:ad:cf:11:6c:10:cc:04:d7:64:1e:9d:30:7d:be:
74:e2:fb:a6:df:07:6e:3f:1a:08:d6:4c:be:73:56:
7e:eb:7b:51:9c:53:f0:ee:aa:81:f8:ba:14:cb:f1:
32:27
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Authority Key Identifier:
A5:B4:D6:EB:36:C4:E7:6B:A6:DF:C4:64:0B:01:2A:20:04:B8:66:23
X509v3 Subject Key Identifier:
08:36:6D:3C:75:AC:43:2B:98:37:83:22:F5:80:47:8F:1E:D4:69:96
X509v3 Subject Alternative Name:
DNS:*.mail.bytedance.com, DNS:mx-china.feishu.cn, DNS:mx-sg.feishu.cn, DNS:mx-jp.feishu.cn, DNS:m1.feishu.cn, DNS:m2.feishu.cn, DNS:mx.feishu.cn, DNS:mx1.feishu.cn, DNS:mx2.feishu.cn, DNS:mx3.feishu.cn, DNS:mx1-sg.feishu.cn, DNS:mx2-sg.feishu.cn, DNS:mx3-sg.feishu.cn, DNS:mx1-jp.feishu.cn, DNS:mx2-jp.feishu.cn, DNS:mx3-jp.feishu.cn, DNS:mx-us.larksuite.com, DNS:mx-va.larksuite.com, DNS:mx-sg.larksuite.com, DNS:mx-jp.larksuite.com, DNS:m1.larksuite.com, DNS:m2.larksuite.com, DNS:mx.larksuite.com, DNS:mx1.larksuite.com, DNS:mx2.larksuite.com, DNS:mx3.larksuite.com, DNS:mx1-sg.larksuite.com, DNS:mx2-sg.larksuite.com, DNS:mx3-sg.larksuite.com, DNS:mx1-jp.larksuite.com, DNS:mx2-jp.larksuite.com, DNS:mx3-jp.larksuite.com, DNS:mx1.bytedance.com, DNS:mx2.bytedance.com, DNS:mx3.bytedance.com, DNS:mx1.tiktok.com, DNS:mx2.tiktok.com, DNS:mx3.tiktok.com, DNS:*.mail.feishu.cn, DNS:*.mail.larksuite.com, DNS:*.mail.tiktok.com, DNS:mail.feishu.cn, DNS:mail.bytedance.com, DNS:mail.larksuite.com, DNS:mail.tiktok.com, DNS:imap.feishu.cn, DNS:imap-sg.feishu.cn, DNS:imap-jp.feishu.cn, DNS:smtp.feishu.cn, DNS:smtp-sg.feishu.cn, DNS:smtp-jp.feishu.cn, DNS:mxem-tlb2.feishu.cn, DNS:mxem.feishu.cn, DNS:mxem-sg.feishu.cn, DNS:mxem-jp.feishu.cn, DNS:imap.larksuite.com, DNS:imap-sg.larksuite.com, DNS:imap-jp.larksuite.com, DNS:smtp.larksuite.com, DNS:smtp-sg.larksuite.com, DNS:smtp-jp.larksuite.com, DNS:mxem.larksuite.com, DNS:mxem-sg.larksuite.com, DNS:mxem-jp.larksuite.com, DNS:smtp.larkoffice.com, DNS:imap.larkoffice.com, DNS:smtp.bytedance.com, DNS:imap.bytedance.com, DNS:smtp.tiktok.com, DNS:imap.tiktok.com, DNS:mx1.larkoffice.com, DNS:mx2.larkoffice.com, DNS:mx3.larkoffice.com, DNS:mail.larkoffice.com, DNS:mail-service.larkoffice.com, DNS:*.mail.larkoffice.com, DNS:smtp-cdn.feishu.cn, DNS:imap-cdn.feishu.cn, DNS:smtp-cdn.larksuite.com, DNS:imap-cdn.larksuite.com, DNS:smtp-cdn.larkoffice.com, DNS:imap-cdn.larkoffice.com, DNS:smtp-relay-em.feishu.cn, DNS:smtp-relay-em.larksuite.com
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
CPS: http://www.digicert.com/CPS
X509v3 Key Usage: critical
Digital Signature, Key Encipherment
X509v3 Extended Key Usage:
TLS Web Server Authentication, TLS Web Client Authentication
X509v3 CRL Distribution Points:
Full Name:
URI:http://crl3.digicert.com/GeoTrustGlobalTLSRSA4096SHA2562022CA1.crl
Full Name:
URI:http://crl4.digicert.com/GeoTrustGlobalTLSRSA4096SHA2562022CA1.crl
Authority Information Access:
OCSP - URI:http://ocsp.digicert.com
CA Issuers - URI:http://cacerts.digicert.com/GeoTrustGlobalTLSRSA4096SHA2562022CA1.crt
X509v3 Basic Constraints: critical
CA:FALSE
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : EE:CD:D0:64:D5:DB:1A:CE:C5:5C:B7:9D:B4:CD:13:A2:
32:87:46:7C:BC:EC:DE:C3:51:48:59:46:71:1F:B5:9B
Timestamp : Nov 3 13:08:10.179 2023 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:DD:C6:FA:68:BA:3D:9D:1C:EB:B1:DC:
9A:D1:62:81:91:86:96:62:F5:F2:A8:30:AD:C9:DA:69:
67:0C:B4:E3:F8:02:21:00:B4:4B:02:5E:1A:B3:C2:C7:
10:B7:7F:99:5F:95:B3:10:79:BA:AB:EC:FF:07:DC:B5:
7D:DF:ED:11:F4:3C:9A:81
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 48:B0:E3:6B:DA:A6:47:34:0F:E5:6A:02:FA:9D:30:EB:
1C:52:01:CB:56:DD:2C:81:D9:BB:BF:AB:39:D8:84:73
Timestamp : Nov 3 13:08:10.149 2023 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:7C:98:BF:59:A2:4A:E4:62:9E:2B:63:4B:
97:BE:48:A7:6A:DD:E3:90:A2:CC:CE:07:6B:5F:8A:8B:
3C:AE:9B:CE:02:20:5C:BE:59:0D:97:2E:19:C6:7A:80:
68:73:39:03:B2:8C:E5:28:A7:9D:6E:53:63:7C:F9:10:
B9:5F:24:9F:0E:02
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 3F:17:4B:4F:D7:22:47:58:94:1D:65:1C:84:BE:0D:12:
ED:90:37:7F:1F:85:6A:EB:C1:BF:28:85:EC:F8:64:6E
Timestamp : Nov 3 13:08:10.200 2023 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:5B:1C:07:40:50:07:F4:81:17:C4:10:01:
A9:1D:CA:4B:E7:71:34:B4:D4:47:59:7C:E5:19:1F:76:
8E:AC:ED:FF:02:21:00:E3:F2:AB:D7:49:E8:FC:F0:3A:
3F:79:C1:C3:B5:68:9D:D7:57:CC:11:80:5E:41:27:CA:
37:FC:5B:F2:74:48:BB
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
57:10:2e:d6:1f:05:19:a2:76:1b:96:9f:87:e9:59:c6:a7:11:
63:05:96:dc:3f:20:7f:79:f7:19:d9:ad:be:6b:aa:b8:0b:3c:
5c:d1:f3:c8:cc:d1:1e:b4:b7:aa:3f:70:a7:fb:80:c9:65:d9:
ef:b4:3b:bf:d9:1c:ad:8a:2a:8f:ca:31:01:cc:15:12:e2:a9:
82:15:98:9a:a5:e4:92:57:a1:2c:40:cf:30:da:25:6b:2c:d4:
d9:11:cd:74:8e:46:d1:70:35:29:ec:ae:fb:0c:cf:2f:f7:20:
b9:d9:28:3f:a0:c9:c2:cb:12:5e:2c:8e:fe:9b:63:63:ad:82:
fa:9b:02:6a:1a:34:82:f5:bd:7f:b1:6f:02:0a:ea:fa:a9:cd:
fa:a7:eb:0b:9e:22:77:62:17:81:d7:bd:40:81:30:23:c4:45:
68:78:a4:09:05:43:cb:ae:f4:46:d2:d3:f7:b1:ca:44:bf:ed:
90:4f:6b:87:5d:f6:1b:45:11:d3:2b:c0:f9:93:8d:68:66:ad:
6c:d2:1c:ef:22:8b:14:10:67:bc:0e:4a:01:64:eb:0a:0f:97:
97:97:2a:64:13:3b:1a:67:46:26:5b:1a:05:93:9e:1e:27:e4:
f0:ff:82:b2:88:04:9d:df:48:fa:51:a9:d4:08:7e:88:c1:77:
06:30:28:a6:89:61:d7:05:83:2e:79:cc:76:73:38:82:d7:bd:
87:63:4e:02:28:5d:20:bd:5f:a9:ee:a8:50:a0:27:7a:5f:d5:
dd:83:45:d7:bb:98:fd:62:9e:f9:d3:31:4a:bd:16:92:37:cf:
22:27:f5:2d:fb:bf:29:df:31:e3:1d:e5:1a:5a:e5:7f:9f:60:
45:df:f1:a8:08:c0:ef:dc:5e:0c:d4:49:11:98:e8:31:0b:43:
d6:d7:7d:2f:0d:fd:5b:64:3b:ea:e6:a4:90:31:19:a5:59:30:
10:7f:6f:8d:31:44:aa:93:9a:b4:d6:57:6e:93:cc:45:c9:cc:
0d:3c:70:19:1f:a4:16:86:0c:3e:08:9e:45:22:7d:f2:d9:fa:
25:a6:15:d4:62:2d:f7:aa:45:d1:10:4c:3d:a5:7a:21:51:73:
14:ad:8e:93:c3:77:d4:e1:5f:2e:c0:32:3c:94:83:75:65:b4:
85:f4:3f:9a:98:d6:d4:cf:c6:91:c5:79:7d:0c:06:3a:28:67:
8d:4f:d4:37:b0:20:62:72:5f:5b:59:d1:6e:d8:e3:79:52:c2:
e6:75:df:f4:49:35:f4:e9:11:ae:46:fc:a1:03:0a:89:07:93:
d6:0d:59:1f:1f:43:26:da:9d:26:16:48:83:9f:a7:65:78:c8:
05:71:38:ac:d3:14:2e:e7
