DNS
THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

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

SSL certificate

TLSv1.3

flynet.it · 45.10.12.10:443

Verified
The certificate expires within 30 days.

Certificate chain, hostname and dates verified using this server’s CA store.

Subject
CN=flynet.it
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-08-17T07:12:10+00:00
Expires
2026-11-15T07:12:09+00:00
Days remaining
27
Serial (hex)
06BEADF8DC0D268984593D4696A8AD38803B
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:autoconfig.flynet.it, DNS:autodiscover.flynet.it, DNS:flynet.it, DNS:mail.flynet.it, DNS:www.flynet.it

SHA-256 fingerprint

01:97:93:E9:75:A4:B1:5D:6D:6B:D2:74:75:92:88:6D:15:38:26:6A:C4:44:11:FF:A8:52:3A:59:4C:BC:5E:D5
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
A4:78:53:F8:48:1A:50:7E:76:50:BA:A0:29:0A:1D:8B:FB:62:54:E0
authorityKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityInfoAccess
CA Issuers - URI:http://yr2.i.lencr.org/
subjectAltName
DNS:autoconfig.flynet.it, DNS:autodiscover.flynet.it, DNS:flynet.it, DNS:mail.flynet.it, DNS:www.flynet.it
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/60.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB: 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A Timestamp : Aug 17 08:10:40.365 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:C7:18:6B:87:44:CF:4D:36:69:D7:FC: 97:F5:37:59:05:E5:48:E0:86:87:4B:9A:1D:D2:50:E5: 1C:2D:72:A5:E4:02:21:00:A8:8A:FD:A9:E3:07:18:22: 45:AD:28:2A:63:08:56:B9:8A:CF:FC:EF:FF:9F:80:04: 8F:F3:38:6D:73:33:E7:34 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 6C:FE:50:19:43:A8:5E:A9:16:BC:52:D1:33:E4:DC:C9: 1E:F1:41:1C:7D:25:84:20:D1:73:80:9E:18:18:EB:3A Timestamp : Aug 17 08:10:40.993 2026 GMT Extensions: 00:00:05:00:1F:18:99:4C Signature : ecdsa-with-SHA256 30:44:02:20:40:A3:CC:EF:10:FD:E5:FC:8F:58:C7:B7: 07:64:F1:9B:3F:C2:D3:64:AF:7F:C2:6E:3B:6C:32:2C: 7E:F8:7F:12:02:20:07:F9:3E:7D:81:7F:7B:5E:10:DF: D9:7B:DE:72:15:4C:F0:5B:D4:F6:A8:6D:EE:79:7A:C0: 49:1E:6A:22:D2:3C
-----BEGIN CERTIFICATE-----
MIIGOTCCBSGgAwIBAgISBr6t+NwNJomEWT1GlqitOIA7MA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNZUjIwHhcNMjYwODE3MDcxMjEwWhcNMjYxMTE1MDcxMjA5WjAUMRIwEAYDVQQD
EwlmbHluZXQuaXQwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQC7adkH
7e9b0w/I7YaLsRVupoJ2Cio2TkVe8o6w3bSiGVRN5xx9EDFQnD/UogoOof/UyFSz
EWGkUIwsjEvFZsRIFHlfz4a3mwZVrcDUdBagF5HJO0jBOaAs4kSpBXfPVFp73GXO
MUD0JGA0LcZQBUhqK4WpCSEcWeP+dbvru8edkLzzo78ADwnbiHFQBCb87gU4YNql
UZ5FZiE2UGSfW3tDhrVpzN9ANVdYnruGZg3xvIAsmV46KGcQo1cQLiB4esQb+jtp
19Jso3fwegzOpUGedGTtClnud1rQuBdfdcWBKj2QITLd2+PWMXD29lPfUPLVXYGM
+FRLNf2hmoTOxRxU8x44xMAFPddg1EzIsAlUSp9Jg1GeOftHMZBobRm3CNuKA+F8
tJPGwGRXTIYEvoCFDQxG8VCoc7V54yDQ4Z2L7CP01uccSRCF04RwGQgg93RMQSQJ
4DosyyOZ94amagoJdEaKOjZ6E74tKAmUqQrDzwSeWFCAJlc9aObhu82ioWVJKgKT
za0LiT9gODqgrWbiE6FjSDGocvM91Rfsu3QU7WlSySbJbG7ZOQismM0V77IhB8c7
rlKwfHiMuHm8wSFLAa72xu7wgEQwzwVzQFpqeBykpqz9FE+0bEe75VI7I8CYTQTO
+Rfz231IOcMz1bB7qIUVgGxDjS/vVU9BgaKz8QIDAQABo4ICZDCCAmAwDgYDVR0P
AQH/BAQDAgWgMBMGA1UdJQQMMAoGCCsGAQUFBwMBMAwGA1UdEwEB/wQCMAAwHQYD
VR0OBBYEFKR4U/hIGlB+dlC6oCkKHYv7YlTgMB8GA1UdIwQYMBaAFEAVLSZ57TIg
nt+ach3WMh+BDIEMMDMGCCsGAQUFBwEBBCcwJTAjBggrBgEFBQcwAoYXaHR0cDov
L3lyMi5pLmxlbmNyLm9yZy8wYQYDVR0RBFowWIIUYXV0b2NvbmZpZy5mbHluZXQu
aXSCFmF1dG9kaXNjb3Zlci5mbHluZXQuaXSCCWZseW5ldC5pdIIObWFpbC5mbHlu
ZXQuaXSCDXd3dy5mbHluZXQuaXQwEwYDVR0gBAwwCjAIBgZngQwBAgEwLgYDVR0f
BCcwJTAjoCGgH4YdaHR0cDovL3lyMi5jLmxlbmNyLm9yZy82MC5jcmwwggEMBgor
BgEEAdZ5AgQCBIH9BIH6APgAdwCvZ4g7V7BO3Y+m2X72LqjrgQrHcWDwJF5V1gwv
54WHOgAAAaAOxdFtAAAEAwBIMEYCIQDHGGuHRM9NNmnX/Jf1N1kF5UjghodLmh3S
UOUcLXKl5AIhAKiK/anjBxgiRa0oKmMIVrmKz/zv/5+ABI/zOG1zM+c0AH0AbP5Q
GUOoXqkWvFLRM+TcyR7xQRx9JYQg0XOAnhgY6zoAAAGgDsXT4QAIAAAFAB8YmUwE
AwBGMEQCIECjzO8Q/eX8j1jHtwdk8Zs/wtNkr3/CbjtsMix++H8SAiAH+T59gX97
XhDf2XvechVM8FvU9qht7nl6wEkeaiLSPDANBgkqhkiG9w0BAQsFAAOCAQEApbLA
B95U1Tb+DI3Q5619c0aURD6hYmeA6PJIMvp7SlUIO8lW1a61SCu1vSmFtARSgQiY
NqVRqRpRIYYAGmfPcXj0SBTGURpd4geCXF2rEbneaAY8pa0DNBxTwHxh3H1UwKQ7
i7s4ZrcnH/xOnhMp9GvlEsR8xbas3/I/piRByZrAUyeM0M21JdlXvmVIAUk1zCV2
QGFJzBqAEUMc3JBMrYw2rdAyRc5QVn0xqLg1NtmnpupJfXX1TH2Pw1Z7mmvB1HWa
ILdHQ5HZ5UyU+0i4Q0woUGquQCHx4JTbygpLLi/IgWiiJh0O9jTFuCYXQgtFXnUs
Mbjgoo/Hd4ibxjDtYA==
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-18T22:34:09+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR2
Issuer
C=US O=ISRG CN=Root YR
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
685
Serial (hex)
4EBD24947E24D394802D84A52FD5B319
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

23:8B:85:A0:09:9C:65:B9:70:47:7D:57:24:F1:A1:D4:75:CE:50:58:CF:FE:4E:FA:87:33:89:9B:DB:86:3C:47
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityInfoAccess
CA Issuers - URI:http://yr.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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==
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=ISRG CN=Root YR
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2026-05-13T00:00:00+00:00
Expires
2032-09-02T23:59:59+00:00
Days remaining
2146
Serial (hex)
F24B6D17F9D9AD7CB1C9FEA78782699F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

07:26:39:D0:B1:40:D5:BF:FA:E1:6A:D9:C3:F6:CC:60:86:04:06:21:F5:1E:E6:1A:6D:46:A8:91:5C:07:CF:76
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityKeyIdentifier
79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
authorityInfoAccess
CA Issuers - URI:http://x1.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x1.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

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

View certificate JSON

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