SSL-Tools

SSL check results of alfa.swiss

NEW You can also bulk check multiple servers.

Discover if the mail servers for alfa.swiss 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 Sun, 07 Jun 2026 00:30:47 +0000

The mailservers of alfa.swiss can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @alfa.swiss addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mx3.mtfcloud.ch
217.148.0.18
 10
supported
*.mtfcloud.ch
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
mx1.mtfcloud.ch
217.148.0.19
 10
supported
*.mtfcloud.ch
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
mx2.mtfcloud.ch
217.148.0.20
 10
supported
*.mtfcloud.ch
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s

Outgoing Mails

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

Certificates

First seen at:

CN=*.mtfcloud.ch,O=MTF Solutions AG,L=Ittigen,C=CH

Certificate chain
Subject
Country (C)
  • CH
Locality (L)
  • Ittigen
Organization (O)
  • MTF Solutions AG
Common Name (CN)
  • *.mtfcloud.ch
Alternative Names
  • *.mtfcloud.ch
  • mtfcloud.ch
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Common Name (CN)
  • DigiCert Global G2 TLS RSA SHA256 2020 CA1
validity period
Not valid before
2025-07-02
Not valid after
2026-07-09
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
D6:98:17:61:BE:42:A7:7A:59:6B:E1:01:52:3D:F6:C9:71:13:03:9F:5E:B1:26:23:CA:D9:E9:43:C2:8F:06:72
SHA1
57:F3:E0:CF:57:BC:75:02:92:32:E7:1B:06:DA:FB:C8:F2:9E:C9:1F
X509v3 extensions
authorityKeyIdentifier
  • keyid:74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
subjectKeyIdentifier
  • 7E:75:08:FC:9A:A5:F4:E2:D0:4A:E1:37:C1:B0:39:C1:77:84:09:B8
certificatePolicies
  • Policy: 2.23.140.1.2.2
  • CPS: http://www.digicert.com/CPS
crlDistributionPoints
  • Full Name:
  • URI:http://crl3.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
  • Full Name:
  • URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
authorityInfoAccess
  • OCSP - URI:http://ocsp.digicert.com
  • CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9:
  • 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77
  • Timestamp : Jul 2 14:38:16.005 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:65:4F:67:52:2E:64:52:12:EA:7E:A1:1B:
  • 4F:47:1F:72:0D:D8:AE:DA:4F:C0:FD:10:AE:CF:1A:2D:
  • AC:51:8C:D8:02:20:3C:EE:95:3D:01:1F:FE:5E:CF:E9:
  • 4B:7B:09:31:06:0A:45:E0:2F:BA:81:9C:A2:B2:F6:49:
  • 24:6C:60:F8:88:F3
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB:
  • C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD
  • Timestamp : Jul 2 14:38:16.064 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:B3:37:6D:94:A1:86:F9:7E:4D:41:66:
  • 57:90:C4:D8:23:F0:9C:D6:87:DF:3B:75:F8:A4:A8:6B:
  • F3:4A:C7:69:E5:02:21:00:E6:84:8D:E9:16:7D:CC:96:
  • 2D:4D:F8:ED:6B:CC:8A:19:74:EE:1A:D5:50:1B:19:BC:
  • 6D:15:89:FC:57:A2:A1:6D
  • 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 : Jul 2 14:38:16.081 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:8A:EF:5D:C8:74:D4:3D:C2:01:87:C8:
  • 98:BE:DE:65:30:D6:00:34:B6:29:80:03:2E:EC:39:B2:
  • F8:84:A6:72:73:02:20:72:28:4F:8A:E8:F6:29:45:7F:
  • 5B:23:4F:8B:94:08:11:A7:AC:00:C2:39:DB:4C:B2:37:
  • A3:98:B6:62:82:52:11