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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

dyndns.it · 34.255.218.242:443

Verified

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

Subject
CN=*.dyndns.it
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Valid from
2025-12-22T00:00:00+00:00
Expires
2026-12-21T23:59:59+00:00
Days remaining
70
Serial (hex)
0270E0FB8F7AE426B49BAF8AE769FF28
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.dyndns.it, DNS:dyndns.it

SHA-256 fingerprint

B7:AE:04:2F:39:CB:DB:B9:9B:99:93:7D:4D:93:CB:8A:95:D9:81:A7:D9:28:E2:CE:64:D2:69:F4:B6:5C:7C:24
Certificate extensions & PEM
authorityKeyIdentifier
0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
subjectKeyIdentifier
1B:4F:7D:1C:25:96:8F:42:8E:F3:23:61:2C:A3:41:FF:44:AE:1C:51
subjectAltName
DNS:*.dyndns.it, DNS:dyndns.it
certificatePolicies
Policy: 2.23.140.1.2.1 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://cdp.rapidssl.com/RapidSSLTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.rapidssl.com CA Issuers - URI:http://cacerts.rapidssl.com/RapidSSLTLSRSACAG1.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Dec 22 07:52:31.889 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:59:21:32:6B:A1:02:9F:0C:D7:00:A6:AC: A0:96:09:5D:8A:11:3B:39:71:67:77:D4:C5:5A:8F:73: 89:BD:95:F8:02:20:3B:0F:1F:4D:13:E2:7F:5D:FD:42: 61:4A:85:B8:19:55:DA:FD:63:6F:21:FC:CF:FA:10:5D: 79:9C:7C:51:56:6E Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C8:A3:C4:7F:C7:B3:AD:B9:35:6B:01:3F:6A:7A:12:6D: E3:3A:4E:43:A5:C6:46:F9:97:AD:39:75:99:1D:CF:9A Timestamp : Dec 22 07:52:31.885 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:04:FB:17:EC:D2:F0:49:B4:9F:7A:66:64: 3F:B3:C9:03:E3:B9:FD:E0:52:CF:85:2D:68:7E:0C:09: 47:E3:22:D1:02:21:00:D5:6F:B2:C0:89:46:70:C0:BF: 98:0D:DF:A5:D0:B2:94:76:2A:DE:4A:91:1B:A6:91:A2: A5:87:76:5D:81:97:2D Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : Dec 22 07:52:31.919 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:70:61:AE:7C:B6:3A:DA:78:66:77:A1:8E: 50:04:AB:E1:FA:48:93:EF:0F:7E:2E:BD:DB:C5:6A:54: B2:C5:91:A7:02:21:00:BA:A9:B2:DE:2E:EC:52:53:9C: D5:4D:DB:E2:64:3B:B0:61:37:30:ED:9D:AB:56:C9:68: 47:4C:A6:4B:61:81:CB
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-10-12T16:48:48+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:24:33+00:00
Expires
2027-11-02T12:24:33+00:00
Days remaining
385
Serial (hex)
0B259422CED9812A15A04E99528A0EFA
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

44:22:E9:63:EE:53:CD:58:CC:9F:85:CD:40:BF:5F:FE:C0:09:5F:DF:1A:15:45:35:66:1C:1C:06:BC:AD:C6:9B
Certificate extensions & PEM
subjectKeyIdentifier
0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
authorityKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.1.1 CPS: https://www.digicert.com/CPS Policy: 2.16.840.1.114412.1.2 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2013-08-01T12:00:00+00:00
Expires
2038-01-15T12:00:00+00:00
Days remaining
4112
Serial (hex)
033AF1E6A711A9A0BB2864B11D09FAE5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
-----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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