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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

TLSv1.2

domaindataguard.com · 103.253.215.16:443

Verified

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

Subject
CN=domaindataguard.com
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-09-06T05:56:43+00:00
Expires
2026-12-05T05:56:42+00:00
Days remaining
60
Serial (hex)
055DC7613FF73C414114AFD36E46947F766E
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:domaindataguard.com

SHA-256 fingerprint

32:33:F5:6A:6E:D8:90:77:4E:12:5A:F4:9D:68:D1:3A:21:0A:3D:33:C5:8A:EA:44:99:04:43:56:DF:97:80:9A
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
18:33:55:CA:42:7E:F6:66:F0:F6:1C:AD:A6:B4:67:8C:25:DB:63:AF
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:domaindataguard.com
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/111.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 6 06:55:13.234 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:B0:B9:A1:F6:70:4A:E4:5F:34:64:27: 4C:2B:72:8E:04:3F:D9:0E:89:F6:9C:D8:58:FD:70:A8: 5C:21:19:43:1C:02:21:00:A6:C2:E4:42:E7:12:3E:71: 15:58:E2:87:21:FF:2F:F7:2D:46:DA:D7:E4:DE:A6:9F: 7B:4E:D9:69:45:D9:8D:69 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A8:26:CB:E3:0A:C6:35:12:46:53:3F:E0:65:F1:4F:19: D9:6E:19:08:13:C4:1D:D9:6D:79:00:B3:12:3C:55:27 Timestamp : Sep 6 06:55:14.049 2026 GMT Extensions: 00:00:05:00:2D:01:30:D5 Signature : ecdsa-with-SHA256 30:45:02:21:00:F0:4A:7B:85:18:B2:8B:9C:9D:94:87: EC:17:49:76:F1:29:04:73:33:95:43:61:A6:03:A5:78: 76:F4:BB:DA:CB:02:20:3A:6B:21:21:E2:4B:34:B7:A7: 33:91:CD:FF:2B:8D:68:9A:35:6F:F4:43:E6:64:2A:13: B9:E2:A7:AA:E1:84:B3
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-10-05T18:23:53+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
698
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
2159
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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