220 mx.google.com ESMTP a1e0cc1a2514c-99ba8554ac5si237019241.156 - gsmtp
250-mx.google.com at your service, [224.212.241.132]
250-SIZE 157286400
250-8BITMIME
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250-SMTPUTF8
250 LIMITS MAILMAX=1000 RCPTMAX=100 RCPTDOMAINMAX=1
SSL Certificate
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
46:2a:ee:b3:47:b1:b8:33:12:47:d3:ae:ab:a1:e2:ba
Signature Algorithm: ecdsa-with-SHA256
Issuer: C=US, O=Google Trust Services, CN=WE2
Validity
Not Before: Oct 7 19:09:08 2026 GMT
Not After : Dec 30 19:09:07 2026 GMT
Subject: CN=mx.google.com
Subject Public Key Info:
Public Key Algorithm: id-ecPublicKey
Public-Key: (256 bit field, 128 bit security level)
pub:
04:c4:35:08:9e:b6:89:40:c6:9d:58:fe:63:01:3e:09:
66:7a:76:75:35:5c:ec:f6:05:e8:d8:03:d4:29:be:76:
60:d8:a8:06:b3:75:98:44:0d:b6:73:0b:3e:f9:e9:12:
41:0d:2a:9c:41:d9:85:86:5f:af:de:40:a2:79:1b:73:
77
ASN1 OID: prime256v1
NIST CURVE: P-256
X509v3 extensions:
X509v3 Key Usage: critical
Digital Signature
X509v3 Extended Key Usage:
TLS Web Server Authentication
X509v3 Basic Constraints: critical
CA:FALSE
X509v3 Subject Key Identifier:
1D:72:83:3D:8A:A8:AE:3B:02:ED:A6:2C:F4:AE:AA:11:FB:9D:21:7A
X509v3 Authority Key Identifier:
75:BE:C4:77:AE:89:F6:44:37:7D:CF:B1:68:1F:1D:1A:EB:DC:34:59
Authority Information Access:
CA Issuers - URI:http://i.pki.goog/we2.crt
X509v3 Subject Alternative Name:
DNS:mx.google.com, DNS:smtp.google.com, DNS:aspmx.l.google.com, DNS:alt1.aspmx.l.google.com, DNS:alt2.aspmx.l.google.com, DNS:alt3.aspmx.l.google.com, DNS:alt4.aspmx.l.google.com, DNS:gmail-smtp-in.l.google.com, DNS:alt1.gmail-smtp-in.l.google.com, DNS:alt2.gmail-smtp-in.l.google.com, DNS:alt3.gmail-smtp-in.l.google.com, DNS:alt4.gmail-smtp-in.l.google.com, DNS:gmr-smtp-in.l.google.com, DNS:alt1.gmr-smtp-in.l.google.com, DNS:alt2.gmr-smtp-in.l.google.com, DNS:alt3.gmr-smtp-in.l.google.com, DNS:alt4.gmr-smtp-in.l.google.com, DNS:mx1.smtp.goog, DNS:mx2.smtp.goog, DNS:mx3.smtp.goog, DNS:mx4.smtp.goog, DNS:aspmx2.googlemail.com, DNS:aspmx3.googlemail.com, DNS:aspmx4.googlemail.com, DNS:aspmx5.googlemail.com, DNS:gmr-mx.google.com
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://c.pki.goog/we2/yK5nPhtHKQs.crl
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB:
B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14
Timestamp : Oct 7 20:09:09.737 2026 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:E0:8A:BC:63:73:25:9C:87:A8:BE:2C:
20:55:4B:73:A8:A1:80:6E:1C:BD:98:98:18:27:6E:51:
6E:DF:DD:0F:6B:02:20:14:92:F1:98:4F:06:8F:F8:E0:
5C:31:F1:13:80:27:B6:9B:AC:0D:42:C9:66:E8:A9:03:
AB:82:70:B6:6C:B5:64
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65:
01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8
Timestamp : Oct 7 20:09:09.688 2026 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:C5:2E:2A:39:0A:02:C6:41:7A:7D:BE:
DA:61:E1:D1:91:8B:48:1A:05:F9:75:93:F9:E0:00:EE:
C7:C1:E8:66:D8:02:21:00:AC:22:B8:6E:E9:F1:93:5D:
17:F1:07:1A:F3:93:EB:79:55:5B:CB:1A:F1:AA:05:0C:
E7:0B:9C:FB:F7:ED:39:BA
Signature Algorithm: ecdsa-with-SHA256
Signature Value:
30:44:02:20:06:d7:3e:d5:ad:06:ff:d5:86:2b:e7:7e:98:39:a8:6a:31:6c:cf:78:
7e:ea:49:f0:58:df:f8:b4:04:cb:2f:6c:02:20:3a:7b:d7:24:d8:23:db:7d:97:80:
2b:41:bc:ad:ac:af:87:9c:f7:64:59:53:37:e7:8e:b4:12:4d:17:f2:c3:79