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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

technological.ro · 31.131.46.6:443

Verified

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

Subject
CN=technological.ro
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-09-01T06:35:14+00:00
Expires
2026-11-30T06:35:13+00:00
Days remaining
57
Serial (hex)
05A692CC433B99C7612D137ABBEDAD435817
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:mail.technological.ro, DNS:technological.ro, DNS:webmail.technological.ro, DNS:www.technological.ro

SHA-256 fingerprint

1C:37:4D:A1:CE:16:24:09:23:AE:F3:7E:FE:17:13:47:3D:29:20:64:18:2C:67:1F:BB:FC:DD:00:1E:FB:34:E2
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
03:8B:DD:7F:7E:B7:41:8E:DB:30:A9:57:76:DD:EA:FC:7D:D9:C6:32
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:mail.technological.ro, DNS:technological.ro, DNS:webmail.technological.ro, DNS:www.technological.ro
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/24.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1A:8B:9D:6B:0F:FE:BF:81:B4:79:39:C6:D2:31:0A:86: D6:D1:02:D4:F0:46:E2:18:2C:9D:E3:5F:5E:26:25:EF Timestamp : Sep 1 07:33:45.366 2026 GMT Extensions: 00:00:05:00:3B:05:34:ED Signature : ecdsa-with-SHA256 30:46:02:21:00:B6:C9:2B:DE:2C:BA:7D:6E:0E:4D:B9: 5C:DF:47:C4:FD:7A:33:EF:B6:42:AD:4D:5E:67:83:EE: D1:57:67:33:A6:02:21:00:AC:72:EF:B3:9F:00:69:38: 87:EC:A9:76:A5:37:F7:5B:97:EE:6F:26:CF:94:F3:85: 07:CF:35:C1:41:D9:07:75 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : Sep 1 07:33:47.044 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:73:25:39:22:7A:F9:94:30:24:BA:7D:3E: 8C:33:3B:8F:9B:D6:AF:3B:80:43:A3:46:5E:F7:B9:B2: DB:BD:1B:22:02:21:00:E0:5E:7A:00:98:CD:6E:1F:35: A4:27:FC:9B:C5:8D:D7:AC:FE:09:23:67:11:78:6F:DC: DD:6A:E6:31:8D:B5:A6
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-03T22:24:06+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
700
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
2161
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-----
MIIF9DCCA9ygAwIBAgIRAPJLbRf52a18scn+p4eCaZ8wDQYJKoZIhvcNAQELBQAw
TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh
cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMjYwNTEzMDAwMDAw
WhcNMzIwOTAyMjM1OTU5WjAuMQswCQYDVQQGEwJVUzENMAsGA1UEChMESVNSRzEQ
MA4GA1UEAxMHUm9vdCBZUjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIB
ANvGJnN78CTJdWL3+eGfsLN5TrNBJs+VH9hRXqRbwxu9sGNiB0BD1fcOxbSUQCJI
M1xE13Db+5Cw1w0s0EBYsvuIP/6joF0w8cuImbgR1OGgYbSQ4OpzI+DG8SGuTlcE
873OCS+kh3srlo6vl43M5OJg4Aeo1sfHp6kTJDoIiFBNJAY+OKfX/FUvYKuhjT+n
o49lmqmupSBI5PkBQiqrEGtWU5uxU/cQWHGu8jSjFBznZqvbNPLMXMLFxCb3WTfr
JBXXjqvWG+v4bjzxjjeAtOlU7qarRDvNOyAuQYLln904M+faKx8hnLCpJ15ZqaEg
cNlY+9MMWcC5yvL2A2j3l9+2buggZX+dOE91zYmIdawTvSZuVvlbRrAlLxIB6pwM
BjneXCjYQ8+3BCCjssbSNpZU3hTcBDdhfAlEDlYr6pEatnMdmDT5BqnKC92bd0Eh
M1fbLHioLccLCuievT8ZkPhZrq7Mii7gNXAcUEAR8+lzYal+9zTg7C5DALyVOeG/
CqfRAMn1KSHCR0NSA6P8tn/mGRlnCct5rtVCLnVySVpU6H1qGg3DgTOuskf8eahT
MiYbI5ezPJmO5ertalskQ1utp74+eDy92PI4ftHKTbq9IWhH4YZKh3WnJEIt+oQv
lYZbY8tpEroKrFB6PFGzrJIDRyts4HqvuH52RFj2zv/BAgMBAAGjgeswgegwDgYD
VR0PAQH/BAQDAgEGMBMGA1UdJQQMMAoGCCsGAQUFBwMBMA8GA1UdEwEB/wQFMAMB
Af8wHQYDVR0OBBYEFN7nW2DQIm1AKH0/DQH+pLVStFGUMB8GA1UdIwQYMBaAFHm0
WeZ7tuXkAXOACIjIGlj26ZtuMDIGCCsGAQUFBwEBBCYwJDAiBggrBgEFBQcwAoYW
aHR0cDovL3gxLmkubGVuY3Iub3JnLzATBgNVHSAEDDAKMAgGBmeBDAECATAnBgNV
HR8EIDAeMBygGqAYhhZodHRwOi8veDEuYy5sZW5jci5vcmcvMA0GCSqGSIb3DQEB
CwUAA4ICAQA8spSI95KKfn2W6GMmDpHBJSPaLbsS3W93cijJCRCYAc1fsJgL1FIL
7C0C9ecPOdcwB2fi0Dk2p94j9iTJCxmt5CFSKLRWwnXT2MMSXexVxqoVB79BdWPx
VXETkVme/qYSAuKVHh5Ps+5BixgmwS1JkjSAc+MfrUbNssVEEnH0aEiAh+rotXAV
JSP/Ye7LJPEwD9DWG72vVWbhAcuOf5OLjz57Ctk7MgQHynZ7+PlHJtajroCaIbtC
r6tcZZaAwUQm+jQyeWdV+2hv9deOYFmKeQyjjcSrN5Nadrw+L9DZJLbA1HqeNvLh
BgqpP0fvJq2N6EtD574N6eMI7uMsJTnji2UDz9el5XLSv9fqJMuDQtYVb2oTNoKp
oUqhxPVC0aq4eG5MESaIdn8b5ZGSSeAJLMHXljEdlNza+ncfkviXk1POLnnFdvx8
/gk6M374WbLWFXw8N141B/Rl/tINGfl1TxOIiqtiMYkL02RSGb1kq34BL9NPP27z
RGMuHGnzS3hFIrRTfKxrzUZ9RzQWzEG3K6fJ3r2nqSltkeytis9DIBoFY9VmVyjL
M71DMi+y1+TRSJVClEMwvA4yL++7q9XZx5r5wBRWB4kQTKH5qyoZnDw7iiuh1lID
yDFx8r7i9vIJU5HS3moZLkYWAOilMaV9N56A9Bgb6dNcHkvg3NoaYA==
-----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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