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SSL check results of mail.recoop.pl

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Discover if the webservers of mail.recoop.pl can be reached through a secure connection.

Summary

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Report created Sat, 25 Apr 2026 21:20:20 +0000

The webservers of mail.recoop.pl can be reached through a secure connection.

Servers

Hostname / IP address Certificates Protocol
mail.recoop.pl
57.128.194.142
 mail.recoop.pl
HSTS
missing
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
mail.recoop.pl
2001:41d0:601:1100::60ce
 mail.recoop.pl
HSTS
missing
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s

Certificates

First seen at:

CN=mail.recoop.pl

Certificate chain
  • mail.recoop.pl
    • remaining
    • 256 bit
    • ecdsa-with-SHA384
      • E8
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail.recoop.pl
Alternative Names
  • autoconfig.recoop.pl
  • autodiscover.recoop.pl
  • mail.recoop.pl
  • mta-sts.recoop.pl
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E8
validity period
Not valid before
2026-04-15
Not valid after
2026-07-14
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
Fingerprints
SHA256
E9:20:5B:29:C6:99:37:91:D9:7C:70:F8:8A:51:60:BA:28:ED:97:EC:5F:9B:9F:FF:43:D9:B4:23:CC:87:5C:77
SHA1
49:1B:C8:23:AF:4B:8D:0D:03:63:EB:40:14:D5:64:60:BE:75:09:B8
X509v3 extensions
subjectKeyIdentifier
  • 15:0F:94:F4:F4:B6:62:51:36:3D:FB:94:D0:1E:CF:DE:E7:FC:18:56
authorityKeyIdentifier
  • keyid:8F:0D:13:A2:F6:2E:7E:D1:50:6C:33:18:38:5D:59:8E:23:72:91:CA
authorityInfoAccess
  • CA Issuers - URI:http://e8.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://e8.c.lencr.org/27.crl
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 : Apr 15 16:19:53.169 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:E3:C3:E1:A6:07:D9:94:3B:9F:CF:A3:
  • FE:61:3A:AB:1B:33:0B:6E:6A:DA:C1:A3:65:7D:AB:61:
  • 9A:FC:F6:40:28:02:20:26:05:A5:4F:CB:4D:A1:7D:92:
  • 68:4E:2C:C2:B7:0A:33:44:33:37:C4:CE:EE:48:BF:AB:
  • B6:4C:AA:FD:F1:D3:BC
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 46:AF:86:3D:3B:3E:E5:9F:A5:77:DE:A8:24:5D:36:B0:
  • D9:ED:22:A2:23:F4:61:77:41:22:94:52:EE:95:50:5F
  • Timestamp : Apr 15 16:19:53.330 2026 GMT
  • Extensions: 00:00:05:00:03:F2:DD:D8
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:4B:2E:14:F9:E1:19:1D:CE:FD:4C:37:BA:
  • 00:9F:A5:87:EA:6C:A5:FC:8B:B9:B8:1B:FD:04:C7:6F:
  • 5B:4A:71:FF:02:20:1D:71:F5:D8:87:7B:7A:44:A7:84:
  • 4B:6A:8B:70:CD:83:89:72:CF:5D:AF:3F:1B:1F:C9:43:
  • CF:22:F4:DB:04:2B