SSL-Tools

SSL check results of mailgun.org

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Discover if the mail servers for mailgun.org 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

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Report created Thu, 18 Apr 2024 18:37:10 +0000

The mailservers of mailgun.org can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mailgun.org addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mxa.mailgun.org
34.160.63.108
 10
supported
*.mailgun.org
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
4 s
mxb.mailgun.org
34.160.63.108
 10
supported
*.mailgun.org
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
4 s

Outgoing Mails

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

Certificates

First seen at:

CN=*.mailgun.org,O=MAILGUN TECHNOLOGIES\, INC,L=San Antonio,ST=Texas,C=US

Certificate chain
Subject
Country (C)
  • US
State (ST)
  • Texas
Locality (L)
  • San Antonio
Organization (O)
  • MAILGUN TECHNOLOGIES, INC
Common Name (CN)
  • *.mailgun.org
Alternative Names
  • *.mailgun.org
  • mailgun.org
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Common Name (CN)
  • DigiCert Global G2 TLS RSA SHA256 2020 CA1
validity period
Not valid before
2024-03-11
Not valid after
2025-04-11
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
A6:0C:75:FD:DF:AC:0B:B8:26:9C:0D:E1:E5:C5:80:E4:A0:97:15:52:68:22:06:76:CB:C0:A1:0F:04:CC:EC:42
SHA1
58:BB:5C:2D:7E:CA:09:CF:05:ED:D3:C0:44:3D:B5:DE:14:30:D6:E4
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
  • F5:A9:A2:99:00:E0:F8:71:BB:A1:FA:CD:EA:F0:88:94:13:3C:F0:62
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 : 4E:75:A3:27:5C:9A:10:C3:38:5B:6C:D4:DF:3F:52:EB:
  • 1D:F0:E0:8E:1B:8D:69:C0:B1:FA:64:B1:62:9A:39:DF
  • Timestamp : Mar 11 19:30:31.936 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:5B:13:39:0E:68:E1:E7:E4:15:47:EF:2A:
  • 6C:76:39:3A:4F:8F:0E:FF:64:4A:24:C9:CC:E2:E5:4C:
  • 2E:F2:66:53:02:20:55:58:C8:ED:BA:01:5E:9D:F1:7F:
  • C0:CF:FE:F7:87:4D:BE:9F:DC:F3:98:AA:E5:F5:2E:21:
  • 7B:25:AE:28:E2:2B
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 7D:59:1E:12:E1:78:2A:7B:1C:61:67:7C:5E:FD:F8:D0:
  • 87:5C:14:A0:4E:95:9E:B9:03:2F:D9:0E:8C:2E:79:B8
  • Timestamp : Mar 11 19:30:31.999 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:D9:BC:9A:7A:87:34:61:68:F7:75:26:
  • C2:B3:82:77:85:E5:F8:7A:5A:AC:0C:A2:60:27:F2:31:
  • EA:AA:4C:FD:F6:02:21:00:9C:0F:7B:9B:2E:ED:41:86:
  • 0F:6F:09:92:94:29:0B:C7:F1:96:64:35:C7:81:39:BE:
  • 47:2B:C1:5B:0A:34:78:70
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : E6:D2:31:63:40:77:8C:C1:10:41:06:D7:71:B9:CE:C1:
  • D2:40:F6:96:84:86:FB:BA:87:32:1D:FD:1E:37:8E:50
  • Timestamp : Mar 11 19:30:32.039 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:AF:75:E4:BC:2A:90:4D:27:35:1B:D3:
  • 6D:1A:79:14:F0:D5:30:16:D0:23:70:95:A5:F0:FB:4F:
  • 1C:A4:E5:91:C8:02:20:11:E9:DB:7B:D5:D2:FC:17:05:
  • 68:5B:F1:0A:1B:FB:3D:1C:90:E1:5A:E6:94:AC:53:E9:
  • B2:D9:D6:E7:07:64:A1