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

TLSv1.2

undeveloped.com · 3.126.15.82:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `undeveloped.com'

Certificate verification failed

Subject
CN=klim.eco
Issuer
C=US O=Amazon CN=Amazon RSA 2048 M01
Valid from
2026-02-04T00:00:00+00:00
Expires
2027-03-05T23:59:59+00:00
Days remaining
141
Serial (hex)
0A530B8FE5810B43394DA419116643EA
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:klim.eco, DNS:*.development.klim.eco, DNS:*.klim.eco, DNS:*.development-admin.klim.eco, DNS:*.admin.klim.eco, DNS:*.staging-admin.klim.eco, DNS:*.farms.klim.eco, DNS:*.staging.klim.eco

SHA-256 fingerprint

39:C9:A6:2F:6F:45:7B:18:39:8F:17:EA:3B:E0:50:F9:B8:82:51:23:A9:8C:32:4F:1A:BF:2F:D9:23:E8:D1:8F
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
2E:DF:53:57:68:42:8E:94:48:06:55:A5:52:15:28:66:12:9D:54:2E
subjectAltName
DNS:klim.eco, DNS:*.development.klim.eco, DNS:*.klim.eco, DNS:*.development-admin.klim.eco, DNS:*.admin.klim.eco, DNS:*.staging-admin.klim.eco, DNS:*.farms.klim.eco, DNS:*.staging.klim.eco
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 4 00:22:51.052 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:AA:DE:38:53:31:E6:22:A1:B9:90:E1: DF:DA:D4:7F:63:57:2C:5A:3D:0A:65:05:A1:1F:61:4D: 0B:CE:E3:03:80:02:20:02:1F:E6:A5:11:7C:07:9F:31: 31:62:30:88:A1:88:9D:4F:3F:F9:DA:D6:7C:A7:CD:AE: BD:1E:9F:F2:FA:8B:E6 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 4 00:22:51.019 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:1F:77:BD:10:F3:7C:3F:D8:13:99:29:CD: FE:17:47:B9:EB:FA:B1:2C:31:36:73:D8:AD:E4:1E:17: ED:0E:CD:38:02:20:5F:0E:72:C2:4C:6E:EC:74:48:60: 69:07:18:C4:B4:0B:21:73:69:0C:88:B9:E4:D2:7B:4C: 6E:03:47:A1:2D:A5 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 4 00:22:51.200 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:2C:8D:E5:4F:26:7B:6F:55:14:18:3B:22: EA:8A:14:DA:E6:66:1C:79:85:43:2D:0D:2E:CE:6B:1C: CD:C1:97:1C:02:20:73:B3:EA:26:29:A8:4D:17:75:AA: 96:56:A5:BC:94:FE:7F:C0:C2:A8:5F:68:49:7D:0A:E1: 92:0E:DF:C4:76:EA
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-15T15:28:54+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
1408
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
4094
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

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