SSL-Tools

SSL check results of 404.city

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Discover if the mail servers for 404.city 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, 19 Apr 2024 19:42:33 +0000

The mailservers of 404.city can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @404.city addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
m.404.city
93.95.230.154
 1
supported
404.city
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
3 s

Outgoing Mails

We have not received any emails from a @404.city address so far. Test mail delivery

Certificates

First seen at:

CN=404.city

Certificate chain
Subject
Common Name (CN)
  • 404.city
Alternative Names
  • 404.city
  • *.404.city
Issuer
Country (C)
  • AT
Organization (O)
  • ZeroSSL
Common Name (CN)
  • ZeroSSL ECC Domain Secure Site CA
validity period
Not valid before
2024-04-02
Not valid after
2024-07-01
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
3F:10:54:FE:74:C4:85:F9:D9:9D:ED:4B:AC:36:C2:5F:15:3E:58:1F:B6:DA:CA:44:37:73:72:15:C7:38:90:E2
SHA1
D4:0F:7A:91:51:64:7E:CC:AA:70:86:40:4B:30:E2:0D:B3:6A:56:C7
X509v3 extensions
authorityKeyIdentifier
  • keyid:0F:6B:E6:4B:CE:39:47:AE:F6:7E:90:1E:79:F0:30:91:92:C8:5F:A3
subjectKeyIdentifier
  • C2:CF:9D:9C:CD:01:86:E8:1A:6A:2A:15:AD:C3:65:B3:5D:0C:9F:E2
certificatePolicies
  • Policy: 1.3.6.1.4.1.6449.1.2.2.78
  • CPS: https://sectigo.com/CPS
  • Policy: 2.23.140.1.2.1
authorityInfoAccess
  • CA Issuers - URI:http://zerossl.crt.sectigo.com/ZeroSSLECCDomainSecureSiteCA.crt
  • OCSP - URI:http://zerossl.ocsp.sectigo.com
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 76:FF:88:3F:0A:B6:FB:95:51:C2:61:CC:F5:87:BA:34:
  • B4:A4:CD:BB:29:DC:68:42:0A:9F:E6:67:4C:5A:3A:74
  • Timestamp : Apr 2 14:29:27.628 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:FD:12:41:F1:54:04:41:99:51:5E:D0:
  • 7A:99:61:DD:EC:77:90:25:B6:C6:90:50:3C:72:B8:91:
  • C6:81:EA:B7:9A:02:20:3F:59:5C:8C:65:14:05:B9:36:
  • 0E:13:F4:51:33:E1:A9:83:D4:B2:26:2F:3B:8B:25:7F:
  • 09:EB:60:38:91:8A:46
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 3F:17:4B:4F:D7:22:47:58:94:1D:65:1C:84:BE:0D:12:
  • ED:90:37:7F:1F:85:6A:EB:C1:BF:28:85:EC:F8:64:6E
  • Timestamp : Apr 2 14:29:27.569 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:F3:B1:BB:1E:50:9D:29:CE:AD:3B:E2:
  • 19:4E:FF:2F:F0:8B:E0:B7:61:5B:FA:10:0A:37:75:40:
  • BA:5A:9E:A4:D6:02:21:00:DD:52:FD:FB:3F:D5:D1:B3:
  • 85:D9:57:78:77:6E:49:6C:BE:4F:73:8A:06:96:FE:B5:
  • 64:95:CF:EC:7A:08:DF:C5