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

domaindiscover.com · 32.189.223.225:443

Verified

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

Subject
CN=domaindiscover.com
Issuer
C=US O=Amazon CN=Amazon RSA 2048 M01
Valid from
2026-02-16T00:00:00+00:00
Expires
2027-03-17T23:59:59+00:00
Days remaining
168
Serial (hex)
06FC54AF0F12B2B8279EA2B634418A31
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:domaindiscover.com, DNS:www.domaindiscover.com

SHA-256 fingerprint

5D:1D:DD:01:6F:E6:5A:3C:C4:A3:D1:44:78:62:0C:4E:83:87:AE:57:51:9F:82:03:D6:9A:5F:87:48:47:D5:CF
Certificate extensions & PEM
authorityKeyIdentifier
81:B8:0E:63:8A:89:12:18:E5:FA:3B:3B:50:95:9F:E6:E5:90:13:85
subjectKeyIdentifier
36:EB:7B:12:77:74:07:B6:3D:0C:42:5D:C9:DC:92:F1:3C:32:32:E0
subjectAltName
DNS:domaindiscover.com, DNS:www.domaindiscover.com
certificatePolicies
Policy: 2.23.140.1.2.1
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl.r2m01.amazontrust.com/r2m01.crl
authorityInfoAccess
OCSP - URI:http://ocsp.r2m01.amazontrust.com CA Issuers - URI:http://crt.r2m01.amazontrust.com/r2m01.cer
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Feb 16 00:25:57.182 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:D7:25:76:D9:45:83:AC:BE:50:B6:86: A5:87:A9:2B:0F:C8:03:D6:AE:69:5A:73:BD:30:05:9F: FA:95:B6:25:D9:02:21:00:D4:7D:C9:82:EC:EC:11:C0: 73:EC:32:0F:E4:0F:80:21:D3:99:3A:33:30:AF:6E:65: A6:ED:BE:13:FC:B4:78:20 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1C:9F:68:2C:E9:FA:F0:45:69:50:F8:1B:96:8A:87:DD: DB:32:10:D8:4C:E6:C8:B2:E3:82:52:4A:C4:CF:59:9F Timestamp : Feb 16 00:25:57.222 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:29:57:09:F3:89:07:79:C4:A1:BE:05:B4: 05:D7:6F:71:CC:E9:ED:CE:22:AF:52:C3:EB:D5:AE:0C: 1C:E3:BE:45:02:20:1F:EE:B2:6B:BA:6E:DB:70:7A:04: 0A:75:F3:BE:8F:52:84:53:31:43:70:17:0F:C2:78:0A: 8F:C6:1C:8F:7D:25 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Feb 16 00:25:57.439 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:15:5F:A5:C6:F6:1B:53:17:10:84:B1:C8: 66:03:26:FF:07:20:BF:94:DC:9E:62:F7:B3:A3:F5:59: 40:C6:0E:3B:02:21:00:D6:26:F9:CC:FC:4D:75:98:F7: EA:E4:D4:9E:B7:22:65:BF:A0:5C:26:CB:A9:00:89:C4: 54:5B:C1:20:23:96:58
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-30T19:13:24+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Amazon CN=Amazon RSA 2048 M01
Issuer
C=US O=Amazon CN=Amazon Root CA 1
Valid from
2022-08-23T22:21:28+00:00
Expires
2030-08-23T22:21:28+00:00
Days remaining
1423
Serial (hex)
077312380B9D6688A33B1ED9BF9CCDA68E0E0F
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

53:38:EB:EC:8F:B2:AC:60:99:61:26:D3:E7:6A:A3:4F:D0:F3:31:8A:C7:8E:BB:7A:C8:F6:F1:36:1F:48:4B:33
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
subjectKeyIdentifier
81:B8:0E:63:8A:89:12:18:E5:FA:3B:3B:50:95:9F:E6:E5:90:13:85
authorityKeyIdentifier
84:18:CC:85:34:EC:BC:0C:94:94:2E:08:59:9C:C7:B2:10:4E:0A:08
authorityInfoAccess
OCSP - URI:http://ocsp.rootca1.amazontrust.com CA Issuers - URI:http://crt.rootca1.amazontrust.com/rootca1.cer
crlDistributionPoints
Full Name: URI:http://crl.rootca1.amazontrust.com/rootca1.crl
certificatePolicies
Policy: 2.23.140.1.2.1
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=Amazon CN=Amazon Root CA 1
Issuer
C=US ST=Arizona L=Scottsdale O=Starfield Technologies, Inc. CN=Starfield Services Root Certificate Authority - G2
Valid from
2015-05-25T12:00:00+00:00
Expires
2037-12-31T01:00:00+00:00
Days remaining
4109
Serial (hex)
067F944A2A27CDF3FAC2AE2B01F908EEB9C4C6
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

87:DC:D4:DC:74:64:0A:32:2C:D2:05:55:25:06:D1:BE:64:F1:25:96:25:80:96:54:49:86:B4:85:0B:C7:27:06
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
84:18:CC:85:34:EC:BC:0C:94:94:2E:08:59:9C:C7:B2:10:4E:0A:08
authorityKeyIdentifier
9C:5F:00:DF:AA:01:D7:30:2B:38:88:A2:B8:6D:4A:9C:F2:11:91:83
authorityInfoAccess
OCSP - URI:http://ocsp.rootg2.amazontrust.com CA Issuers - URI:http://crt.rootg2.amazontrust.com/rootg2.cer
crlDistributionPoints
Full Name: URI:http://crl.rootg2.amazontrust.com/rootg2.crl
certificatePolicies
Policy: X509v3 Any Policy
-----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

Registration / WHOIS →DNS records →