SSL-Tools

SSL check results of bummir.ru

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Discover if the mail servers for bummir.ru 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 Thu, 22 Oct 2020 13:44:29 +0000

We can not guarantee a secure connection to the mailservers of bummir.ru!

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

/mailservers/bummir.ru

Servers

Incoming Mails

These servers are responsible for incoming mails to @bummir.ru addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.bummir.ru
87.255.251.138
 10
supported
mail.bummir.ru
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.0
  • SSLv3
4 s
mail.dsn.ru
85.142.148.87
Results incomplete
20
unsupported
not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
1 s

Outgoing Mails

We have received emails from these servers with @bummir.ru sender addresses. Test mail delivery

Host TLS Version & Cipher
mail.bummir.ru (87.255.251.138)
TLSv1 DHE-RSA-CAMELLIA256-SHA

Certificates

First seen at:

CN=mail.bummir.ru

Certificate chain
Subject
Common Name (CN)
  • mail.bummir.ru
Alternative Names
  • mail.bummir.ru
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-10-19
Not valid after
2021-01-17
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
60:38:F2:0A:3E:7C:53:90:05:0E:A7:B0:EB:F6:5D:D8:9B:7F:6F:BB:1D:72:D5:CD:D0:31:01:F0:E9:89:E8:DA
SHA1
D6:86:BD:7B:B6:4B:FD:44:A8:DD:38:17:95:E7:57:4D:C9:7F:7B:1B
X509v3 extensions
subjectKeyIdentifier
  • C8:3F:DB:CF:69:F1:9E:8B:C3:CE:16:B6:3D:D4:F0:CE:F8:3E:2D:F7
authorityKeyIdentifier
  • keyid:A8:4A:6A:63:04:7D:DD:BA:E6:D1:39:B7:A6:45:65:EF:F3:A8:EC:A1
authorityInfoAccess
  • OCSP - URI:http://ocsp.int-x3.letsencrypt.org
  • CA Issuers - URI:http://cert.int-x3.letsencrypt.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 : 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 : Oct 19 17:30:09.187 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:26:4D:B7:44:6A:B3:09:49:05:4A:56:FA:
  • A1:65:F9:6B:FF:71:F7:91:8E:90:E9:17:FA:12:45:44:
  • F9:08:43:48:02:21:00:E8:03:10:D5:BC:60:0C:4B:E7:
  • AA:EA:A5:0F:0C:6B:A2:E3:33:E9:31:F2:8A:F6:0A:2D:
  • 16:BB:6B:0C:E2:7A:70
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 7D:3E:F2:F8:8F:FF:88:55:68:24:C2:C0:CA:9E:52:89:
  • 79:2B:C5:0E:78:09:7F:2E:6A:97:68:99:7E:22:F0:D7
  • Timestamp : Oct 19 17:30:09.186 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:74:94:0C:1C:41:0D:F3:FB:1F:13:A6:50:
  • CB:54:0A:06:DE:D6:11:D9:CA:66:81:34:2B:21:1B:00:
  • 67:80:E9:D6:02:20:47:EC:15:9A:2D:8E:4F:28:70:14:
  • 86:A2:25:47:F6:3F:02:1A:EB:EE:71:B0:DD:EB:C4:A8:
  • 7C:A2:3C:D6:F7:57