SSL-Tools

SSL check results of flawcra.cc

NEW You can also bulk check multiple servers.

Discover if the mail servers for flawcra.cc 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 Fri, 22 Jul 2022 21:03:42 +0000

We can not guarantee a secure connection to the mailservers of flawcra.cc!

Please contact the operator of flawcra.cc and ask him or her to solve this problem. This result stays accessible under the following address:

/mailservers/flawcra.cc

Servers

Incoming Mails

These servers are responsible for incoming mails to @flawcra.cc addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.flawcra.cc
fdba:17c8:6c94::4
Results incomplete
10 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s
mail.flawcra.cc
fdba:17c8:6c94::1
Results incomplete
10 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s
mail.flawcra.cc
fdba:17c8:6c94::3
Results incomplete
10 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s
mail.flawcra.cc
fdba:17c8:6c94::5
Results incomplete
10 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s
mail.flawcra.cc
fdba:17c8:6c94::2
Results incomplete
10 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s
mail.flawcra.cc
178.18.243.41
 10
supported
smtp.flawcra.cc
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • SSLv3
2 s
mail.flawcra.cc
185.207.250.39
 10
supported
smtp.flawcra.cc
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • SSLv3
2 s

Outgoing Mails

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

Certificates

First seen at:

CN=smtp.flawcra.cc

Certificate chain
  • smtp.flawcra.cc
    • remaining
    • 4096 bit
    • sha256WithRSAEncryption
    • Hostname Mismatch
    • Unknown Authority
      R3
Subject
Common Name (CN)
  • smtp.flawcra.cc
Alternative Names
  • smtp.flawcra.cc
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2022-06-17
Not valid after
2022-09-15
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
F1:F6:43:3E:F6:3E:A1:DF:8F:48:A4:09:69:FD:D9:27:1C:39:46:D2:32:78:5F:F9:4D:7C:48:C4:B2:F6:CB:27
SHA1
65:85:A2:FB:C4:75:91:DB:77:98:80:F1:27:60:2F:5B:30:36:38:8F
X509v3 extensions
subjectKeyIdentifier
  • 9B:07:C8:46:DD:2D:9A:75:A6:10:19:32:5D:F4:D0:3F:8C:49:12:22
authorityKeyIdentifier
  • keyid:14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
authorityInfoAccess
  • OCSP - URI:http://r3.o.lencr.org
  • CA Issuers - URI:http://r3.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • Policy: 1.3.6.1.4.1.44947.1.1.1
  • CPS: http://cps.letsencrypt.org
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : DF:A5:5E:AB:68:82:4F:1F:6C:AD:EE:B8:5F:4E:3E:5A:
  • EA:CD:A2:12:A4:6A:5E:8E:3B:12:C0:20:44:5C:2A:73
  • Timestamp : Jun 17 19:09:16.342 2022 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:69:8F:86:24:7C:6D:E3:F6:50:55:F5:FC:
  • 6C:B9:67:D8:60:39:DC:34:30:DC:3A:04:75:8C:C0:8B:
  • 83:BF:88:AF:02:20:5C:62:E1:FC:0E:1B:B6:B2:11:DF:
  • E0:EC:80:A0:32:1A:A3:D1:A5:42:E7:8D:19:CB:1F:29:
  • E2:87:09:FC:8A:2B
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 46:A5:55:EB:75:FA:91:20:30:B5:A2:89:69:F4:F3:7D:
  • 11:2C:41:74:BE:FD:49:B8:85:AB:F2:FC:70:FE:6D:47
  • Timestamp : Jun 17 19:09:16.403 2022 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:23:53:3C:70:F0:1C:B9:2E:69:CA:BB:FD:
  • 76:D2:B6:1C:A2:D3:69:C8:10:D6:0C:DA:84:20:F9:A1:
  • 10:6E:62:1B:02:21:00:E2:E6:17:5A:AB:A4:6D:A3:0D:
  • 7D:C9:8E:99:C7:98:F1:FF:80:8B:B0:42:68:68:ED:E5:
  • EE:E1:61:FE:9E:13:EF