THE CERTIFICATE BEHIND THE CONNECTION

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Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.3

mail2.uniplan.it · 217.20.0.4:443

Unverified

Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed

Certificate verification failed

Subject: CN=mx-a.uniplan.it
Issuer: CN=mx-a.uniplan.it
Valid from: 2026-07-27T09:39:56+00:00
Expires: 2027-07-27T09:39:56+00:00
Days remaining: 272
Serial (hex): 2F783DF56AEC54E732702240698620EADBB39D92
Signature: RSA-SHA256
Public key: RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

B7:BC:8C:C6:DA:A3:E2:AF:07:2F:D5:B4:F7:3D:86:F6:64:90:69:EA:D0:E2:74:BE:51:60:72:B1:AF:D0:5F:05

Certificate extensions & PEM

subjectKeyIdentifier: 44:68:C3:84:B8:90:55:C6:66:81:4B:29:68:C4:48:20:F4:A2:F9:99
authorityKeyIdentifier: 44:68:C3:84:B8:90:55:C6:66:81:4B:29:68:C4:48:20:F4:A2:F9:99
basicConstraints: CA:TRUE

-----BEGIN CERTIFICATE-----
MIIFFTCCAv2gAwIBAgIUL3g99WrsVOcycCJAaYYg6tuznZIwDQYJKoZIhvcNAQEL
BQAwGjEYMBYGA1UEAwwPbXgtYS51bmlwbGFuLml0MB4XDTI2MDcyNzA5Mzk1NloX
DTI3MDcyNzA5Mzk1NlowGjEYMBYGA1UEAwwPbXgtYS51bmlwbGFuLml0MIICIjAN
BgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEArd94Vxrb+9WZMH2KlluDDG+q4b13
uh/iwMkRgECxm888Db609Cht0/UM4iooz5B+Wrx27a+IyH9BjP7T2yEnUNb1S/mP
36y71dtFnD4PXZrO0Ajk2rLi9be0UJknTBXq1d7yCt8VCD+caDedbKtsU5nXM+Ym
Mtq6gAC7sHA0yRBWgpzTspASe+cBQKgzb+wQ66hJUG9m3Uub3tLRu8H2peivKUkm
eWYkXbhIfTNcIGnOjggEJ9wB0cNM9wFVGv9f/ZnMbxEowmqsE6XEQjQKV6jOJehV
buTTgvueyMntw+DBij5nJjaFYAPekdL16u93t5K64mkHFd/tKl0Xc665QxO/gR3v
683w371AedaZ7Dibwt4S4mh1WAjDlpAL6jt3j9+dlwasxFfKwoC0gdc764DdwjgX
iR17S0o99DT+jzNu9y88xwV650RyjuS3bxOhub319JDLBuAIsi67XH2O+PAJs92L
P31OhF/1W+tloxk8IAb4FoOHnwc1dYJb4QEBYZvK+TfdFDJ5HAYymEhPZv/ZOXS1
6q0uktHQkuKdaYFjyxPl0wG5xH3F3aogG0zVNy8GHaRU1VvClXsaY8HyqZcLQBwS
YQQREd/ydKJo0isbk7fkspPneFmGcTVqm5PTV2Nz4THw1VjbZGf16/6lbXLJawIY
KfeDK/Ok+K7LaWkCAwEAAaNTMFEwHQYDVR0OBBYEFERow4S4kFXGZoFLKWjESCD0
ovmZMB8GA1UdIwQYMBaAFERow4S4kFXGZoFLKWjESCD0ovmZMA8GA1UdEwEB/wQF
MAMBAf8wDQYJKoZIhvcNAQELBQADggIBAF2eSf9UPOHQJMaapQAH0vqqqJWgjqgv
y02shKsWMcj+PAda61LSxy7vRSShmlip3SaTQySHf/0FgNPKbHRWiQRUjPhQtzVf
EZk6P6jYERqat3aZgYX/feGEEwEXSRTppa2uNtZl9u7FyEHdf9K7DDpuNafWCB1H
tkuQaEeymkZ4HGMZWZCiA6KKxMYshaUqfN3NeG6U8eAbKHE9+xeUMumXaUzBmwk3
8c5g89XmFuBnEwRVPLYpZn/AZkWjcUNMxPcyEAcjEVNXkMhWt5bYSbOF0JOL3mGH
MkkxOBCeoZKgV+bW0b/Zsvec0iRPeIE+zccY+1E1NCiM1cfptBxqxWAHL0eWyJbY
MdojDeXB0dQJNdl3sZ7wYM49avwS7Y5mtCWEfORL5wDmB3Ii05uCS+1kWyu4Dvep
lX0rS4xNNg59ba2IftwgF7u8GI1lNzjKr3PnmS7SZ75NB3JF9XI/dAjLVgredOIz
CcK0MwbwWJp0lOkBZ4ckrdQuSPEUSUzZ0zv8qgj93az/izAedeHn8PLuyHXIg4tn
JNRGn11yUZsnGf+S1Lt08sbjBJKJ2l36pLRuToOCgG8LIeDlZJheNcUpMFo9OiA4
84f53CJlBwMNfvG7Xyg/bY8hJYCrnvjskLvJLw6gtp9QheuWFVcdmEDcTc78UsVM
9UffJdMf3ad3
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-27T15:01:02+00:00

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

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