220 mc23.lon.server.colt.net ESMTP Postfix
250-mc23.lon.server.colt.net
250-PIPELINING
250-SIZE 44040192
250-VRFY
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
SSL Certificate
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
04:cd:06:18:fb:4c:2b:0c:d7:08:4d:3c:f6:e4:e1:af
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Validity
Not Before: May 18 00:00:00 2023 GMT
Not After : May 17 23:59:59 2024 GMT
Subject: C=GB, L=London, O=Colt Technology Services Group Limited, CN=mx.colt.net
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:da:61:33:ed:04:34:d4:2b:69:85:a6:b3:1e:10:
dc:0f:74:d0:0a:27:cc:e5:62:6c:2b:95:d7:d1:91:
57:ad:44:dc:90:19:34:32:6d:63:43:4d:ea:7d:71:
77:31:bc:65:97:f8:02:df:04:10:42:18:e3:f2:70:
de:e4:4a:d3:9f:64:cc:12:f4:74:89:30:f6:9d:bd:
e7:c5:7c:4e:d5:45:d5:a8:02:63:09:d9:9e:4a:b6:
9e:e8:ef:83:78:b3:14:96:a5:a1:95:4f:64:f2:41:
14:15:24:95:67:80:85:b1:ce:f7:45:66:f5:f1:21:
54:8d:82:e1:28:2b:d7:3e:84:5e:04:f2:7a:2f:30:
6c:5d:b8:c2:f7:31:49:23:cf:d2:05:83:4c:bb:cd:
c6:d2:c4:99:16:7c:a8:5f:55:a0:b9:30:b5:9c:6a:
4d:6f:82:0b:18:e4:d1:52:a5:98:ce:cd:5c:b0:39:
ca:a7:09:7a:0c:ba:96:45:d0:58:85:54:9b:5f:95:
93:90:4f:be:ca:3f:7c:a7:09:44:75:93:49:71:ad:
07:36:39:3a:6c:2e:ba:cf:1b:a4:28:8e:1a:b9:44:
81:91:0e:d3:af:67:d4:f4:c9:c5:57:4d:c4:0f:ab:
77:97:46:59:0f:9e:e3:5e:c9:11:76:82:22:7c:fb:
9c:17
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Authority Key Identifier:
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
X509v3 Subject Key Identifier:
48:1C:3A:C6:77:8C:53:FC:10:CF:99:27:EC:19:97:B9:E7:F8:44:05
X509v3 Subject Alternative Name:
DNS:mx.colt.net, DNS:mc21.lon.server.colt.net, DNS:mc23.lon.server.colt.net, DNS:mc25.lon.server.colt.net, DNS:mc27.lon.server.colt.net, DNS:mc29.lon.server.colt.net, DNS:mc31.lon.server.colt.net, DNS:mc51.fra.server.colt.net, DNS:mc53.fra.server.colt.net, DNS:mc67.fra.server.colt.net, DNS:mc69.fra.server.colt.net
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/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
Full Name:
URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.2
CPS: http://www.digicert.com/CPS
Authority Information Access:
OCSP - URI:http://ocsp.digicert.com
CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt
X509v3 Basic Constraints:
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 : May 18 14:44:04.093 2023 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:49:21:43:AE:65:E4:0C:66:52:A8:38:EA:
47:A9:D9:1B:0F:54:4B:18:80:FC:DA:1B:BB:96:70:A7:
96:65:AD:7E:02:21:00:D9:42:14:28:B6:B6:C2:9A:48:
47:A2:33:F0:C6:AF:06:D8:65:39:25:99:8A:96:64:4B:
64:F7:8F:67:07:5F:43
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 : May 18 14:44:04.063 2023 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:9D:42:77:4A:74:25:21:B3:A8:0A:D9:
B7:5E:44:70:4F:6F:91:5B:70:7D:6B:8A:2A:A5:EA:08:
0F:E1:6B:C7:B6:02:21:00:DB:58:08:A8:49:1D:58:77:
49:04:47:86:D2:18:A8:AC:7D:59:CA:28:30:43:7E:AB:
69:B9:1B:79:E4:0D:69:69
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : DA:B6:BF:6B:3F:B5:B6:22:9F:9B:C2:BB:5C:6B:E8:70:
91:71:6C:BB:51:84:85:34:BD:A4:3D:30:48:D7:FB:AB
Timestamp : May 18 14:44:03.989 2023 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:19:A3:F2:E6:9B:01:FB:AA:29:97:64:85:
83:D2:4B:F4:B8:70:4C:0B:8E:48:24:C1:9B:73:CF:D4:
47:0A:C0:6F:02:21:00:97:2C:40:26:AB:19:F8:CE:47:
CF:1A:DF:64:E6:74:4A:17:83:59:C1:47:DA:B5:68:E6:
59:CB:4A:56:34:F3:27
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
c6:92:ae:1f:ab:c9:ff:ad:74:33:b7:49:57:98:b1:0e:4b:66:
b4:80:9d:71:6a:f5:04:0d:b0:da:19:cc:70:c4:c6:14:e3:6c:
4d:91:03:e2:49:33:2d:1e:eb:a8:5c:32:f1:0a:94:2a:af:02:
cb:14:14:f5:05:64:22:af:98:41:9e:ae:44:df:5b:42:bc:d8:
49:45:c0:c3:7e:66:95:f8:98:32:4b:40:4c:70:87:3d:38:5a:
1d:2c:be:46:84:9d:2e:72:04:6b:26:03:4f:2e:10:35:ac:f9:
81:f9:d6:a9:aa:b4:fe:99:3a:72:6f:46:a5:2e:f2:2e:25:2a:
ba:92:dd:0e:ec:2f:a9:e3:d7:19:29:2d:66:c3:32:01:a5:04:
c5:4a:c4:27:41:e8:95:a4:7d:10:3d:e3:84:58:b1:49:51:e1:
2a:42:8f:f3:c3:98:91:ad:78:28:66:96:89:16:f4:79:f4:db:
31:e2:27:66:dc:e8:32:25:cc:8e:c4:b0:3a:a4:a7:93:39:38:
86:4f:69:6e:5d:3d:ab:49:96:b9:5b:5b:64:40:5d:c1:f5:22:
a2:38:0f:5a:5e:2f:59:7d:fc:3b:19:5e:ba:20:b4:69:69:13:
b9:fe:ba:7b:3b:ca:81:5f:d7:7f:82:03:f6:3b:7d:d1:63:d1:
d0:c8:02:7b
