SSL-Tools

SSL check results of kutzer.at

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Discover if the mail servers for kutzer.at can be reached through a secure connection.

To establish a secure connection a mail server has to offer STARTTLS (SSL), a trustworthy SSL certificate, support for the Diffie-Hellman-Algorithm to guarantee Perfect Forward Secrecy and must not be vulnerable against the Heartbleed attack. Futhermore we recommend using end-to-end encryption with GnuPG.

Summary

JSON Refresh

Report created Tue, 30 May 2023 09:44:34 +0000

The mailservers of kutzer.at can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @kutzer.at addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
smx01.a1.net
80.75.42.227
 100
supported
securemail.a1.net
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
7 s

Outgoing Mails

We have not received any emails from a @kutzer.at address so far. Test mail delivery

Certificates

First seen at:

CN=securemail.a1.net,O=A1 Telekom Austria AG,L=Wien,ST=Wien,C=AT

Certificate chain
Subject
Country (C)
  • AT
State (ST)
  • Wien
Locality (L)
  • Wien
Organization (O)
  • A1 Telekom Austria AG
Common Name (CN)
  • securemail.a1.net
Alternative Names
  • securemail.a1.net
  • smtp.a1.net
  • email.aon.at
  • pop.a1.net
  • pop3.a1.net
  • imap.a1.net
  • imap4.a1.net
  • mmp.a1.net
  • mailbox.aon.at
  • smail.a1.net
  • mx20.aon.at
  • smx01.a1.net
  • mx10.aon.at
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Organizational Unit (OU)
  • www.digicert.com
Common Name (CN)
  • GeoTrust TLS RSA CA G1
validity period
Not valid before
2023-02-20
Not valid after
2024-03-22
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
C1:5B:D7:D1:39:99:3F:86:2F:86:7A:4E:D3:4B:75:01:95:77:7A:28:7D:75:CB:AF:76:17:F8:53:F9:D9:B7:D6
SHA1
06:2B:6B:6C:C8:1C:3F:3A:70:25:5D:A5:5B:DA:2A:D0:7A:81:1D:48
X509v3 extensions
authorityKeyIdentifier
  • keyid:94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
subjectKeyIdentifier
  • FD:DA:DF:44:CD:77:EC:EB:80:A8:5A:E0:54:A1:D8:A8:C9:14:20:8D
crlDistributionPoints
  • Full Name:
  • URI:http://cdp.geotrust.com/GeoTrustTLSRSACAG1.crl
certificatePolicies
  • Policy: 2.23.140.1.2.2
  • CPS: http://www.digicert.com/CPS
authorityInfoAccess
  • OCSP - URI:http://status.geotrust.com
  • CA Issuers - URI:http://cacerts.geotrust.com/GeoTrustTLSRSACAG1.crt
ct_precert_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 : Feb 20 12:37:24.467 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:64:4A:2B:5A:AF:2C:3E:68:2C:3A:90:1F:
  • 93:06:ED:C6:E0:13:58:FB:8A:C7:D2:E7:DC:AB:A9:F8:
  • 7D:AA:D0:D5:02:20:1D:44:A8:B5:DE:67:4F:C1:89:10:
  • 8B:10:B0:0A:4B:C5:F2:56:46:8F:36:B3:CE:80:77:96:
  • B5:25:B9:C6:E1:C8
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 73:D9:9E:89:1B:4C:96:78:A0:20:7D:47:9D:E6:B2:C6:
  • 1C:D0:51:5E:71:19:2A:8C:6B:80:10:7A:C1:77:72:B5
  • Timestamp : Feb 20 12:37:24.590 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:A9:42:8B:15:31:3A:57:52:7F:22:40:
  • 62:FC:72:5A:C7:B7:66:B7:E1:80:F7:2A:54:66:DE:1C:
  • 94:9D:D6:D9:00:02:21:00:EF:BC:3A:DF:BB:58:BB:6A:
  • 13:54:AB:BE:69:86:50:89:A5:9C:82:2B:7C:20:22:0E:
  • 50:63:93:04:79:D6:2D:A8
  • 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 : Feb 20 12:37:24.530 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:A6:01:79:40:15:28:17:A8:88:EE:4D:
  • 06:4E:35:AA:3B:BE:02:C2:DC:BA:5B:8B:2C:C4:32:49:
  • B2:96:A2:10:8B:02:21:00:C0:C3:75:E5:88:82:23:27:
  • 0A:11:69:21:6A:A2:25:07:BC:90:C7:C1:0E:31:B0:18:
  • CD:96:42:A4:8B:AF:31:65