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

alfaco.id · 202.145.0.21:443

Verified

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

Subject
CN=cpcalendars.alfaco.id
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-09-28T01:57:08+00:00
Expires
2026-12-27T01:57:07+00:00
Days remaining
75
Serial (hex)
05944F084338DD22C488ABC6ABA0BA88DB00
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:alfaco.id, DNS:autodiscover.alfaco.id, DNS:cpanel.alfaco.id, DNS:cpcalendars.alfaco.id, DNS:cpcontacts.alfaco.id, DNS:mail.alfaco.id, DNS:webdisk.alfaco.id, DNS:webmail.alfaco.id, DNS:www.alfaco.id

SHA-256 fingerprint

9A:26:42:E3:05:59:3E:FE:93:71:61:2B:36:16:2B:3D:9A:00:5E:C0:5B:BF:07:33:46:DC:C5:BE:A5:66:D3:23
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
A0:EA:66:B7:8A:D9:B7:24:4D:10:5B:47:8B:EA:13:28:A4:E3:21:93
authorityKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityInfoAccess
CA Issuers - URI:http://yr1.i.lencr.org/
subjectAltName
DNS:alfaco.id, DNS:autodiscover.alfaco.id, DNS:cpanel.alfaco.id, DNS:cpcalendars.alfaco.id, DNS:cpcontacts.alfaco.id, DNS:mail.alfaco.id, DNS:webdisk.alfaco.id, DNS:webmail.alfaco.id, DNS:www.alfaco.id
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/1.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Sep 28 02:55:39.082 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:6A:F4:51:15:0E:87:3C:AA:86:84:0B:5E: DB:90:E0:11:AC:6F:DD:0B:36:5C:7B:96:90:B6:7E:F5: 2A:8E:0B:05:02:21:00:EC:4B:B7:B6:F5:DC:3A:C8:12: C0:A5:2A:BB:45:D4:C8:07:8C:01:3B:24:50:80:76:FA: 6F:78:2F:D3:01:CF:95 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:AF:86:3D:3B:3E:E5:9F:A5:77:DE:A8:24:5D:36:B0: D9:ED:22:A2:23:F4:61:77:41:22:94:52:EE:95:50:5F Timestamp : Sep 28 02:55:39.135 2026 GMT Extensions: 00:00:05:00:36:EF:DA:F6 Signature : ecdsa-with-SHA256 30:45:02:20:5E:6A:DD:BE:DB:D2:8A:EF:D3:23:34:18: DD:A1:4B:B3:F3:65:3C:DB:CD:01:68:83:99:1C:C3:D9: 69:38:52:6A:02:21:00:FE:3B:58:51:FC:4E:48:51:6D: 89:3A:52:5E:43:1A:95:83:DB:A7:77:9D:0F:4B:1E:4F: 18:B6:CD:63:80:2E:BE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-12T09:57:52+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR1
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
691
Serial (hex)
A20253F15F2691C05DC1CE13B9BCCA4E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

13:94:96:34:D9:9C:D6:FD:6A:A8:0B:C0:34:FE:FA:CC:EB:19:69:FE:EF:98:65:86:71:3E:CD:BB:05:75:8D:3F
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
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
2152
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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