SSL check results of imap.skymail.de

NEW You can also bulk check multiple servers.

Discover if the mail servers for imap.skymail.de 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

Report created Thu, 23 Jun 2022 11:48:44 +0000

The mailservers of imap.skymail.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @imap.skymail.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
skymail.de
46.4.105.4
10
supported
*.skymail.de
DANE
errors
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s

Outgoing Mails

We have not received any emails from a @imap.skymail.de address so far. Test mail delivery

Certificates

First seen at:

CN=*.skymail.de

Certificate chain
Subject
Common Name (CN)
  • *.skymail.de
Alternative Names
  • *.skymail.de
  • skymail.de
Issuer
Country (C)
  • BE
Organization (O)
  • GlobalSign nv-sa
Common Name (CN)
  • AlphaSSL CA - SHA256 - G2
validity period
Not valid before
2021-12-08
Not valid after
2023-01-09
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
CA:0C:09:1D:EA:AB:EF:DC:45:04:3A:31:7C:2E:6E:1F:8E:43:A3:5F:67:77:4E:A4:5A:78:A6:95:F7:8C:6E:E0
SHA1
01:FF:73:5D:88:85:83:BD:62:78:5C:D3:2E:05:AE:06:EA:C6:0D:8B
X509v3 extensions
authorityInfoAccess
  • CA Issuers - URI:http://secure2.alphassl.com/cacert/gsalphasha2g2r1.crt
  • OCSP - URI:http://ocsp2.globalsign.com/gsalphasha2g2
certificatePolicies
  • Policy: 1.3.6.1.4.1.4146.1.10.10
  • CPS: https://www.globalsign.com/repository/
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://crl2.alphassl.com/gs/gsalphasha2g2.crl
authorityKeyIdentifier
  • keyid:F5:CD:D5:3C:08:50:F9:6A:4F:3A:B7:97:DA:56:83:E6:69:D2:68:F7
subjectKeyIdentifier
  • 6B:5C:3D:BF:D4:38:99:F2:1D:98:6C:B1:E6:19:49:F4:28:7E:EA:E2
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : E8:3E:D0:DA:3E:F5:06:35:32:E7:57:28:BC:89:6B:C9:
  • 03:D3:CB:D1:11:6B:EC:EB:69:E1:77:7D:6D:06:BD:6E
  • Timestamp : Dec 8 13:14:59.513 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:3E:B2:85:12:30:A8:1D:6E:12:A0:6B:AB:
  • F4:81:2E:AC:28:1A:39:8B:A4:36:D7:A7:59:41:5B:7B:
  • C1:67:64:69:02:20:5F:AF:15:F4:F1:D5:EA:A0:D8:1E:
  • BB:18:68:AD:F2:6F:98:88:DA:04:19:E5:5D:4E:BB:EA:
  • 62:F9:DF:DF:F0:F1
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 6F:53:76:AC:31:F0:31:19:D8:99:00:A4:51:15:FF:77:
  • 15:1C:11:D9:02:C1:00:29:06:8D:B2:08:9A:37:D9:13
  • Timestamp : Dec 8 13:14:59.066 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:E6:31:92:DE:F9:A1:F2:82:7B:C3:89:
  • 63:6C:02:6C:7A:15:44:C4:C3:53:FD:37:1C:BA:E5:6D:
  • C6:98:54:EC:F9:02:20:3B:64:81:04:7F:D1:AE:08:EA:
  • F5:8B:42:AD:9C:C3:13:7D:24:26:37:9E:CF:CB:DB:F3:
  • D2:2A:4F:E6:81:E6:C5
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 35:CF:19:1B:BF:B1:6C:57:BF:0F:AD:4C:6D:42:CB:BB:
  • B6:27:20:26:51:EA:3F:E1:2A:EF:A8:03:C3:3B:D6:4C
  • Timestamp : Dec 8 13:14:59.480 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:98:79:1B:4C:C3:19:A5:94:1D:6A:FB:
  • 0C:5D:10:5B:AF:34:55:0D:9A:A8:75:A9:11:3D:8A:65:
  • 6C:9B:94:71:4E:02:21:00:A2:BD:EB:BA:E4:2E:39:3B:
  • 96:9E:C9:3E:3A:68:47:E2:2E:92:50:30:DC:75:C1:FE:
  • 2D:B6:EE:C9:18:80:71:44

DANE

DNS-based Authentication of Named Entities (DANE) is a protocol to allow X.509 certificates to be bound to DNS using TLSA records and DNSSEC.

Name Options DNSSEC Matches
_25._tcp.skymail.de
  • DANE-EE: Domain Issued Certificate
  • Use subject public key
  • SHA-256 Hash
error
Debug