SSL check results of slt.com.lk

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Discover if the mail servers for slt.com.lk 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

Report created Wed, 22 Mar 2023 03:36:00 +0000

We can not guarantee a secure connection to the mailservers of slt.com.lk!

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

/mailservers/slt.com.lk

Servers

Incoming Mails

These servers are responsible for incoming mails to @slt.com.lk addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
edge2.slt.com.lk
203.115.12.118
10
supported
edge2.slt.com.lk
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
17 s
edge1.slt.com.lk
203.115.12.117
10
supported
edge1.slt.com.lk
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
16 s
edge3.slt.com.lk
203.115.12.119
10
supported
edge3.slt.com.lk
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
17 s
edge4.slt.com.lk
220.247.231.6
Results incomplete
15 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s

Outgoing Mails

We have not received any emails from a @slt.com.lk address so far. Test mail delivery

Certificates

First seen at:

L=Vancouver,ST=British Columbia,C=CA,emailAddress=postmaster@edge2.slt.com.lk,O=Sophos PLC,CN=edge2.slt.com.lk

Certificate chain
  • edge2.slt.com.lk (Certificate is self-signed.)
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Hostname Mismatch
    • Unknown Authority

Subject
Common Name (CN)
  • edge2.slt.com.lk
Common Name is not included in Alternative Names
Organization (O)
  • Sophos PLC
Email
  • postmaster@edge2.slt.com.lk
Country (C)
  • CA
State (ST)
  • British Columbia
Locality (L)
  • Vancouver
Alternative Names
  • email:postmaster@edge2.slt.com.lk
Issuer

Certificate is self-signed.

validity period
Not valid before
2020-09-11
Not valid after
2030-09-09
Fingerprints
SHA256
96:30:9E:1C:16:0A:9E:B2:02:4C:8D:5C:7D:60:D6:E8:F4:FB:A8:B7:B2:29:68:D6:97:A7:3D:47:B3:C3:5B:D3
SHA1
D9:C5:00:EF:E2:85:6B:2D:64:35:BA:B8:EC:4B:1A:8B:22:74:5B:F4
X509v3 extensions
subjectKeyIdentifier
  • D1:C6:3B:6B:6F:06:C1:55:F1:9A:9D:AC:15:C0:74:14:7A:1E:EF:96
authorityKeyIdentifier
  • keyid:D1:C6:3B:6B:6F:06:C1:55:F1:9A:9D:AC:15:C0:74:14:7A:1E:EF:96
  • DirName:/CN=edge2.slt.com.lk/O=Sophos PLC/emailAddress=postmaster@edge2.slt.com.lk/C=CA/ST=British Columbia/L=Vancouver
  • serial:8B:36:64:41:2F:BE:E4:8C
issuerAltName
  • email:postmaster@edge2.slt.com.lk
First seen at:

L=Vancouver,ST=British Columbia,C=CA,emailAddress=postmaster@edge1.slt.com.lk,O=Sophos PLC,CN=edge1.slt.com.lk

Certificate chain
  • edge1.slt.com.lk (Certificate is self-signed.)
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Hostname Mismatch
    • Unknown Authority

Subject
Common Name (CN)
  • edge1.slt.com.lk
Common Name is not included in Alternative Names
Organization (O)
  • Sophos PLC
Email
  • postmaster@edge1.slt.com.lk
Country (C)
  • CA
State (ST)
  • British Columbia
Locality (L)
  • Vancouver
Alternative Names
  • email:postmaster@edge1.slt.com.lk
Issuer

Certificate is self-signed.

validity period
Not valid before
2022-07-15
Not valid after
2032-07-12
Fingerprints
SHA256
DE:1F:9F:95:F3:19:29:5C:C1:F6:45:1C:71:21:22:31:7C:4A:9B:CC:45:82:01:63:94:78:A8:3D:F6:7C:C2:02
SHA1
99:87:57:B1:CB:AA:95:E5:7D:96:28:AD:CD:32:A3:B6:B9:CF:5E:73
X509v3 extensions
subjectKeyIdentifier
  • EE:82:EF:8E:EB:C4:DB:DE:E9:2B:4E:22:F1:8B:AB:10:49:3B:A6:39
authorityKeyIdentifier
  • keyid:EE:82:EF:8E:EB:C4:DB:DE:E9:2B:4E:22:F1:8B:AB:10:49:3B:A6:39
  • DirName:/CN=edge1.slt.com.lk/O=Sophos PLC/emailAddress=postmaster@edge1.slt.com.lk/C=CA/ST=British Columbia/L=Vancouver
  • serial:89:30:22:AA:88:7F:1D:3F
issuerAltName
  • email:postmaster@edge1.slt.com.lk
First seen at:

L=Vancouver,ST=British Columbia,C=CA,emailAddress=postmaster@edge3.slt.com.lk,O=Sophos PLC,CN=edge3.slt.com.lk

Certificate chain
  • edge3.slt.com.lk (Certificate is self-signed.)
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Hostname Mismatch
    • Unknown Authority

Subject
Common Name (CN)
  • edge3.slt.com.lk
Common Name is not included in Alternative Names
Organization (O)
  • Sophos PLC
Email
  • postmaster@edge3.slt.com.lk
Country (C)
  • CA
State (ST)
  • British Columbia
Locality (L)
  • Vancouver
Alternative Names
  • email:postmaster@edge3.slt.com.lk
Issuer

Certificate is self-signed.

validity period
Not valid before
2022-07-05
Not valid after
2032-07-02
Fingerprints
SHA256
13:20:9B:34:44:5C:BB:11:28:DA:6F:97:05:81:56:8E:C3:3A:C7:E3:90:42:DB:3C:BA:28:2A:2F:02:6B:2F:29
SHA1
00:94:17:44:A9:AC:E9:7A:9C:29:68:F4:F2:8A:79:EE:DE:BC:CC:C5
X509v3 extensions
subjectKeyIdentifier
  • 78:3B:42:9E:5B:3E:45:CC:28:F2:A3:4D:55:AF:B3:F6:67:C4:42:52
authorityKeyIdentifier
  • keyid:78:3B:42:9E:5B:3E:45:CC:28:F2:A3:4D:55:AF:B3:F6:67:C4:42:52
  • DirName:/CN=edge3.slt.com.lk/O=Sophos PLC/emailAddress=postmaster@edge3.slt.com.lk/C=CA/ST=British Columbia/L=Vancouver
  • serial:A2:0F:F5:E8:B9:18:1C:B3
issuerAltName
  • email:postmaster@edge3.slt.com.lk