| Hostnames |
us-smtp-1.mimecast.com us-smtp-2.mimecast.com us-smtp-inbound-delivery-1.mimecast.com |
| Domains | mimecast.com |
| Country | United States |
| City | Boston |
| Organization | Mimecast North America Inc |
| ISP | Mimecast North America Inc |
| ASN | AS30031 |
220 us-smtp-1.mimecast.com ESMTP; Sun, 09 Feb 2025 16:22:46 -0500 250-us-smtp-1.mimecast.com Hello [224.44.109.174] 250-STARTTLS 250 HELP
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
07:d3:99:ee:c1:e2:62:a5:60:59:d9:6f:67:56:17:5a
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Validity
Not Before: Jan 30 00:00:00 2024 GMT
Not After : Feb 25 23:59:59 2025 GMT
Subject: C=GB, L=London, O=Mimecast Services Limited, CN=*.mimecast.com
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:ad:75:db:1a:0b:50:42:ae:df:bb:4f:38:0e:3d:
f2:e4:6b:11:b9:bf:c7:5b:64:19:52:41:a3:46:e4:
e2:f8:e5:05:5e:ee:fa:f1:58:b5:8f:3b:ea:8f:12:
17:32:4b:28:cd:5e:f5:d9:dc:b5:66:0b:a2:2a:7f:
fa:3d:b3:1b:f9:bd:e3:b1:3b:c7:62:d2:95:7d:dd:
75:5c:eb:b2:85:d8:4f:0c:e6:3f:85:ae:37:db:cd:
bc:80:e1:bf:d7:e8:36:f2:ac:04:36:88:09:d3:89:
33:28:df:60:09:ad:d9:ed:fa:1a:e9:7d:fa:e9:a6:
99:f2:89:9b:04:eb:e3:49:3b:17:f0:4b:71:91:47:
32:78:2a:2b:2e:6c:51:3f:18:06:35:93:f4:e2:18:
69:02:51:d0:81:ed:34:16:42:7b:db:5f:e1:12:e0:
c2:d1:24:e5:45:e6:21:59:3f:ba:56:aa:2a:54:32:
e2:25:d6:0d:29:d4:91:18:e6:ca:41:11:ac:d5:f8:
2b:2f:e5:58:08:44:3f:8b:13:c0:e4:2b:77:a6:9f:
4e:63:fd:3f:39:c1:4d:da:73:95:b9:b0:1d:aa:83:
3d:69:a3:e2:65:71:92:d3:f2:d8:aa:b2:5c:75:28:
53:77:b2:d0:48:b0:d7:63:c7:ee:32:39:cb:a4:c1:
3a:03
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:
7B:AD:52:F3:F0:0F:DF:C8:AB:89:89:6E:1B:8A:B2:CE:87:0A:A9:92
X509v3 Subject Alternative Name:
DNS:*.mimecast.com
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.2
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/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
Full Name:
URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
Authority Information Access:
OCSP - URI:http://ocsp.digicert.com
CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt
X509v3 Basic Constraints: critical
CA:FALSE
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 4E:75:A3:27:5C:9A:10:C3:38:5B:6C:D4:DF:3F:52:EB:
1D:F0:E0:8E:1B:8D:69:C0:B1:FA:64:B1:62:9A:39:DF
Timestamp : Jan 30 15:09:07.583 2024 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:EF:78:AC:5C:03:B3:F4:EC:56:AB:10:
11:7D:5B:18:16:26:20:47:EA:74:50:30:69:F0:8B:98:
49:6F:A4:51:65:02:21:00:B0:75:64:6E:0D:02:4B:A2:
63:B3:6B:A6:02:0F:07:DD:E7:FA:2C:93:6D:B2:31:C4:
32:9A:F9:E9:FF:8D:0D:6D
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 7D:59:1E:12:E1:78:2A:7B:1C:61:67:7C:5E:FD:F8:D0:
87:5C:14:A0:4E:95:9E:B9:03:2F:D9:0E:8C:2E:79:B8
Timestamp : Jan 30 15:09:07.642 2024 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:15:84:BB:A7:7C:7D:40:84:17:37:DE:1F:
AC:AF:40:6B:F1:92:C6:DA:1C:16:F1:0D:5E:A3:DF:72:
3A:D9:F0:9A:02:21:00:DC:08:CC:4D:38:83:9E:E5:F4:
97:CD:E8:AA:41:0B:33:98:C0:57:5A:0A:6A:C2:79:55:
6E:00:62:2F:0E:89:A9
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : E6:D2:31:63:40:77:8C:C1:10:41:06:D7:71:B9:CE:C1:
D2:40:F6:96:84:86:FB:BA:87:32:1D:FD:1E:37:8E:50
Timestamp : Jan 30 15:09:07.677 2024 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:E1:68:47:C9:70:B0:FF:56:92:6C:17:
FD:0A:7D:07:C9:B1:15:FE:89:90:AD:95:FF:62:5A:A7:
89:58:25:70:49:02:20:17:49:40:21:E5:4B:FE:18:25:
3B:62:54:68:86:4D:FB:4E:18:FD:FA:EF:DA:9F:F8:AF:
9F:EC:17:F9:4C:B0:2A
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
35:0b:f0:a8:ea:d6:17:c1:8f:4c:55:6f:d8:ac:11:74:8f:cb:
97:36:4f:e3:07:43:e4:36:32:fc:c8:f5:45:68:09:1c:41:1d:
8f:23:1e:77:3e:f9:e0:d3:43:b6:ac:d9:b3:08:c2:8e:e3:51:
19:f6:1a:01:6d:2a:38:9e:3b:58:9f:ed:c5:3d:9d:04:d0:ed:
81:1f:c6:3a:9c:9f:37:46:dc:27:27:01:56:48:51:97:f3:b5:
c0:00:13:25:a4:a3:fe:f8:fe:0f:c4:35:e7:e4:1c:0f:5e:f5:
33:81:67:85:ff:c5:13:83:08:3f:90:cd:ce:08:74:48:bf:50:
da:ac:3b:92:e5:ca:52:5d:66:df:5b:71:91:32:74:31:6d:28:
0e:e6:d1:c3:a0:54:72:e6:7c:39:3f:fa:2f:9d:e3:fe:ec:58:
e6:7c:ae:8b:3e:b9:fe:e0:cb:41:b1:b5:7a:34:3d:bd:66:0d:
1d:ee:53:41:40:85:2a:bd:21:d8:7e:7b:d6:44:72:8c:73:af:
18:7e:7e:52:d5:24:26:de:09:f0:c1:7f:a4:67:d2:ce:87:ef:
5e:b7:32:c5:e2:55:ee:71:66:2b:0b:85:3d:7c:e9:0a:93:4b:
05:be:d7:7c:2e:f3:62:4e:94:66:01:91:4c:0f:b1:97:30:b4:
6c:97:18:e1
220 us-smtp-1.mimecast.com ESMTP; Sun, 16 Feb 2025 11:35:10 -0500 250-us-smtp-1.mimecast.com Hello [224.56.170.160] 250-STARTTLS 250 HELP
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
09:e4:71:9b:d7:59:1b:44:5b:d2:26:5f:fe:ae:e6:d0
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Validity
Not Before: Jan 24 00:00:00 2025 GMT
Not After : Feb 24 23:59:59 2026 GMT
Subject: C=GB, L=London, O=Mimecast Services Limited, CN=*.mimecast.com
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:a7:0f:23:6b:7d:dd:eb:2d:c0:dc:e8:18:8a:6b:
fd:a5:ac:d6:a1:fb:4c:6f:e0:ff:8b:63:d7:bb:a6:
61:ad:77:57:03:79:0e:a0:75:99:8c:d7:85:c3:2c:
b7:84:f7:48:99:ab:ec:f4:ea:19:8c:9d:2c:56:5a:
85:3f:97:81:5e:68:e0:7e:f0:51:2f:36:9d:0e:6c:
55:fa:95:a4:a5:7f:d4:3f:d1:9c:92:39:24:a2:45:
28:42:b6:9a:66:e8:c9:d3:b0:68:d2:39:93:5c:29:
41:13:e1:b3:94:cb:1c:fa:d1:b4:66:40:b5:b5:c6:
de:a7:2d:04:44:3e:1f:12:18:3d:fe:7f:95:07:e1:
9d:81:67:94:56:05:c7:6d:5e:82:ba:5e:b4:bd:5e:
5c:63:26:2c:dd:7d:b7:fa:85:8e:0e:66:31:5c:f7:
9e:e9:c0:0d:f1:e4:51:3c:ed:24:27:fb:57:00:6f:
02:64:18:0a:9d:21:02:c3:9f:71:d3:63:c2:21:88:
15:e3:5d:85:c2:fe:30:77:4b:92:24:c9:f1:f0:23:
6f:0a:43:9d:ab:50:df:76:db:e2:83:2f:05:fb:e1:
2e:35:c7:f8:6f:b7:a2:49:02:9b:1b:06:19:02:61:
03:bb:d4:b3:06:2f:ef:5a:3b:1d:02:5a:6c:74:41:
86:d9
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:
E3:79:60:E9:3D:27:0F:4C:66:52:C7:2A:66:18:DE:75:63:CC:5A:13
X509v3 Subject Alternative Name:
DNS:*.mimecast.com
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.2
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/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
Full Name:
URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
Authority Information Access:
OCSP - URI:http://ocsp.digicert.com
CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt
X509v3 Basic Constraints: critical
CA:FALSE
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 0E:57:94:BC:F3:AE:A9:3E:33:1B:2C:99:07:B3:F7:90:
DF:9B:C2:3D:71:32:25:DD:21:A9:25:AC:61:C5:4E:21
Timestamp : Jan 24 12:37:40.312 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:42:81:91:62:78:54:99:77:21:EF:29:CC:
34:12:97:E4:F5:26:DC:6E:00:83:B3:4A:C4:63:5A:55:
C0:89:39:F8:02:21:00:CE:2B:ED:88:92:7F:CF:B0:AD:
62:D5:34:F0:BA:9C:4B:A1:6A:29:46:16:DA:02:B3:07:
2B:21:2E:0E:0A:FA:A0
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 64:11:C4:6C:A4:12:EC:A7:89:1C:A2:02:2E:00:BC:AB:
4F:28:07:D4:1E:35:27:AB:EA:FE:D5:03:C9:7D:CD:F0
Timestamp : Jan 24 12:37:40.372 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:1E:3E:A3:C7:66:F1:B8:15:08:C4:91:53:
5A:87:C8:28:10:96:99:83:E3:B2:52:3F:1F:36:15:15:
36:27:75:03:02:20:7F:65:C9:C7:50:1C:98:2B:3B:2D:
8D:E2:F7:D3:57:D2:29:CE:E3:49:62:D8:6A:B8:24:54:
1D:83:07:CC:FC:1C
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 49:9C:9B:69:DE:1D:7C:EC:FC:36:DE:CD:87:64:A6:B8:
5B:AF:0A:87:80:19:D1:55:52:FB:E9:EB:29:DD:F8:C3
Timestamp : Jan 24 12:37:40.389 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:01:3D:A8:68:35:62:43:77:CC:52:9D:C6:
EF:C8:BF:6C:BF:F3:D0:35:7C:71:EF:D3:DC:7B:CA:55:
19:44:5B:AA:02:21:00:E7:E1:BC:F6:63:40:B5:6F:5B:
10:5F:D0:A0:E7:D6:9C:EF:68:7E:30:30:18:68:84:FE:
99:AD:58:E2:7E:DC:A3
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
87:64:b2:93:a7:7a:d6:61:44:fd:70:30:6f:44:04:1a:2f:e7:
6a:95:96:47:71:3b:dd:7e:c3:d4:81:9e:66:7d:55:b0:a6:53:
bc:b8:bd:a6:4d:cd:9e:ee:59:92:4e:84:21:cc:17:f9:f2:3d:
0e:d5:ae:a8:2f:80:42:8f:7b:c5:cc:96:be:6a:65:46:6f:22:
fb:82:3f:91:21:74:68:f7:bd:d6:a6:d0:99:d0:04:f6:31:7e:
1e:bc:99:0e:59:98:05:f4:8b:ee:39:24:ae:f6:37:e7:b7:7f:
7b:ee:79:bd:40:aa:cb:a8:3f:60:bc:e3:0c:c0:4b:74:70:85:
eb:e6:d8:9f:b7:a1:76:5c:5e:83:23:6f:07:76:0a:39:af:26:
a8:16:80:c0:45:d7:a0:75:03:42:df:95:33:d1:db:01:6a:d8:
9e:8c:8f:20:17:5d:44:a3:28:25:85:77:ca:cd:05:a5:24:d4:
8d:5e:ba:a4:00:53:1f:51:bb:61:1c:31:57:bb:89:f0:b9:6c:
03:27:c2:56:ef:57:5e:08:23:5b:37:3b:69:d3:eb:a3:0d:dc:
52:0e:d0:f0:74:6f:7a:30:d5:48:5a:3e:d3:be:0e:1a:cd:7d:
99:9a:14:79:4d:17:5a:7b:e4:bc:e9:9d:57:bc:35:96:68:27:
50:fe:ac:c2
+OK POP Service Ready +OK capability list follows
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
09:e4:71:9b:d7:59:1b:44:5b:d2:26:5f:fe:ae:e6:d0
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Validity
Not Before: Jan 24 00:00:00 2025 GMT
Not After : Feb 24 23:59:59 2026 GMT
Subject: C=GB, L=London, O=Mimecast Services Limited, CN=*.mimecast.com
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:a7:0f:23:6b:7d:dd:eb:2d:c0:dc:e8:18:8a:6b:
fd:a5:ac:d6:a1:fb:4c:6f:e0:ff:8b:63:d7:bb:a6:
61:ad:77:57:03:79:0e:a0:75:99:8c:d7:85:c3:2c:
b7:84:f7:48:99:ab:ec:f4:ea:19:8c:9d:2c:56:5a:
85:3f:97:81:5e:68:e0:7e:f0:51:2f:36:9d:0e:6c:
55:fa:95:a4:a5:7f:d4:3f:d1:9c:92:39:24:a2:45:
28:42:b6:9a:66:e8:c9:d3:b0:68:d2:39:93:5c:29:
41:13:e1:b3:94:cb:1c:fa:d1:b4:66:40:b5:b5:c6:
de:a7:2d:04:44:3e:1f:12:18:3d:fe:7f:95:07:e1:
9d:81:67:94:56:05:c7:6d:5e:82:ba:5e:b4:bd:5e:
5c:63:26:2c:dd:7d:b7:fa:85:8e:0e:66:31:5c:f7:
9e:e9:c0:0d:f1:e4:51:3c:ed:24:27:fb:57:00:6f:
02:64:18:0a:9d:21:02:c3:9f:71:d3:63:c2:21:88:
15:e3:5d:85:c2:fe:30:77:4b:92:24:c9:f1:f0:23:
6f:0a:43:9d:ab:50:df:76:db:e2:83:2f:05:fb:e1:
2e:35:c7:f8:6f:b7:a2:49:02:9b:1b:06:19:02:61:
03:bb:d4:b3:06:2f:ef:5a:3b:1d:02:5a:6c:74:41:
86:d9
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:
E3:79:60:E9:3D:27:0F:4C:66:52:C7:2A:66:18:DE:75:63:CC:5A:13
X509v3 Subject Alternative Name:
DNS:*.mimecast.com
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.2
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/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
Full Name:
URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
Authority Information Access:
OCSP - URI:http://ocsp.digicert.com
CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt
X509v3 Basic Constraints: critical
CA:FALSE
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 0E:57:94:BC:F3:AE:A9:3E:33:1B:2C:99:07:B3:F7:90:
DF:9B:C2:3D:71:32:25:DD:21:A9:25:AC:61:C5:4E:21
Timestamp : Jan 24 12:37:40.312 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:42:81:91:62:78:54:99:77:21:EF:29:CC:
34:12:97:E4:F5:26:DC:6E:00:83:B3:4A:C4:63:5A:55:
C0:89:39:F8:02:21:00:CE:2B:ED:88:92:7F:CF:B0:AD:
62:D5:34:F0:BA:9C:4B:A1:6A:29:46:16:DA:02:B3:07:
2B:21:2E:0E:0A:FA:A0
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 64:11:C4:6C:A4:12:EC:A7:89:1C:A2:02:2E:00:BC:AB:
4F:28:07:D4:1E:35:27:AB:EA:FE:D5:03:C9:7D:CD:F0
Timestamp : Jan 24 12:37:40.372 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:1E:3E:A3:C7:66:F1:B8:15:08:C4:91:53:
5A:87:C8:28:10:96:99:83:E3:B2:52:3F:1F:36:15:15:
36:27:75:03:02:20:7F:65:C9:C7:50:1C:98:2B:3B:2D:
8D:E2:F7:D3:57:D2:29:CE:E3:49:62:D8:6A:B8:24:54:
1D:83:07:CC:FC:1C
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 49:9C:9B:69:DE:1D:7C:EC:FC:36:DE:CD:87:64:A6:B8:
5B:AF:0A:87:80:19:D1:55:52:FB:E9:EB:29:DD:F8:C3
Timestamp : Jan 24 12:37:40.389 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:01:3D:A8:68:35:62:43:77:CC:52:9D:C6:
EF:C8:BF:6C:BF:F3:D0:35:7C:71:EF:D3:DC:7B:CA:55:
19:44:5B:AA:02:21:00:E7:E1:BC:F6:63:40:B5:6F:5B:
10:5F:D0:A0:E7:D6:9C:EF:68:7E:30:30:18:68:84:FE:
99:AD:58:E2:7E:DC:A3
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
87:64:b2:93:a7:7a:d6:61:44:fd:70:30:6f:44:04:1a:2f:e7:
6a:95:96:47:71:3b:dd:7e:c3:d4:81:9e:66:7d:55:b0:a6:53:
bc:b8:bd:a6:4d:cd:9e:ee:59:92:4e:84:21:cc:17:f9:f2:3d:
0e:d5:ae:a8:2f:80:42:8f:7b:c5:cc:96:be:6a:65:46:6f:22:
fb:82:3f:91:21:74:68:f7:bd:d6:a6:d0:99:d0:04:f6:31:7e:
1e:bc:99:0e:59:98:05:f4:8b:ee:39:24:ae:f6:37:e7:b7:7f:
7b:ee:79:bd:40:aa:cb:a8:3f:60:bc:e3:0c:c0:4b:74:70:85:
eb:e6:d8:9f:b7:a1:76:5c:5e:83:23:6f:07:76:0a:39:af:26:
a8:16:80:c0:45:d7:a0:75:03:42:df:95:33:d1:db:01:6a:d8:
9e:8c:8f:20:17:5d:44:a3:28:25:85:77:ca:cd:05:a5:24:d4:
8d:5e:ba:a4:00:53:1f:51:bb:61:1c:31:57:bb:89:f0:b9:6c:
03:27:c2:56:ef:57:5e:08:23:5b:37:3b:69:d3:eb:a3:0d:dc:
52:0e:d0:f0:74:6f:7a:30:d5:48:5a:3e:d3:be:0e:1a:cd:7d:
99:9a:14:79:4d:17:5a:7b:e4:bc:e9:9d:57:bc:35:96:68:27:
50:fe:ac:c2