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

antispam.pt · 185.118.112.9:443

Verified

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

Subject
CN=cpanel.antispam.pt
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-09-14T22:46:02+00:00
Expires
2026-12-13T22:46:01+00:00
Days remaining
70
Serial (hex)
06198231A9D94F81700E70FF1B98267DD6BA
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:antispam.pt, DNS:cpanel.antispam.pt, DNS:cpcalendars.antispam.pt, DNS:cpcontacts.antispam.pt, DNS:mail.antispam.pt, DNS:webdisk.antispam.pt, DNS:webmail.antispam.pt, DNS:www.antispam.pt

SHA-256 fingerprint

56:62:A3:BC:4A:A4:9E:CE:2B:BB:4E:C3:C4:4F:BE:45:8A:2A:87:23:9D:B4:77:6F:32:B5:21:4E:EF:F7:37:F5
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
18:37:4A:A1:B2:C8:D4:9D:EB:F4:92:E5:6D:77:EE:64:A1:30:09:F8
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:antispam.pt, DNS:cpanel.antispam.pt, DNS:cpcalendars.antispam.pt, DNS:cpcontacts.antispam.pt, DNS:mail.antispam.pt, DNS:webdisk.antispam.pt, DNS:webmail.antispam.pt, DNS:www.antispam.pt
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/59.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : Sep 14 23:44:32.832 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:80:3E:E2:D2:2C:DC:C3:6E:EC:1A:52: 7B:E4:91:08:7C:1F:28:B1:53:38:F9:BB:C4:23:60:77: 5F:FC:FC:8C:EA:02:21:00:C6:FF:D3:8B:D7:D1:3F:6C: 41:70:D3:C5:79:FE:E4:80:0E:47:22:8A:92:50:EE:17: D2:BF:52:2F:45:03:78:72 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 26:E3:64:6E:58:69:21:23:BC:34:3F:47:24:35:9B:37: 92:CD:24:5A:88:D8:15:D3:93:33:FD:99:18:AB:47:23 Timestamp : Sep 14 23:44:30.626 2026 GMT Extensions: 00:00:05:00:41:F4:45:4A Signature : ecdsa-with-SHA256 30:44:02:20:5D:B3:12:D1:EC:F7:01:4C:D9:ED:39:7F: 01:A7:66:D6:22:8A:04:63:F5:A7:6D:CF:38:18:43:47: 10:56:9D:E8:02:20:55:11:CF:BD:70:11:8C:F4:C5:7D: C9:82:10:AF:D6:2A:F2:55:B1:AC:3D:0E:5B:9A:93:64: 1D:F1:61:D4:E0:B2
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-04T14:14:24+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
699
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
2160
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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