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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

ckr.com · 100.49.51.250:443

Verified

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

Subject
CN=ckr.com
Issuer
C=US O=Amazon CN=Amazon RSA 2048 M01
Valid from
2026-08-09T00:00:00+00:00
Expires
2027-02-22T23:59:59+00:00
Days remaining
150
Serial (hex)
0378BB620FDE3BBC82C491196CB98CA8
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:ckr.com, DNS:www.ckr.com, DNS:admin.ckr.com

SHA-256 fingerprint

65:66:E9:71:60:CF:23:6D:D7:13:38:9F:E5:DF:12:6A:B6:2B:76:34:00:12:60:C8:E8:0A:58:5C:75:59:75:7B
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
F2:AB:DE:89:AC:E5:89:04:75:EF:8C:06:5B:9A:DC:87:D2:8A:45:48
subjectAltName
DNS:ckr.com, DNS:www.ckr.com, DNS:admin.ckr.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 : Aug 9 12:16:52.327 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:58:4A:AB:93:82:DA:78:31:81:30:35:91: EF:D6:83:F1:8F:C1:D6:75:D9:90:9A:82:0E:FF:FF:C6: 14:5D:A9:10:02:21:00:BE:75:6F:0A:0A:08:8E:80:EC: 67:53:56:26:33:69:D4:AE:F9:04:3D:72:20:68:BC:80: 1C:54:5F:00:45:33:88 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Aug 9 12:16:52.341 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:C2:F2:65:D6:A3:7D:6D:AC:70:ED:C8: E8:6D:24:11:08:BA:0A:53:17:1B:B2:60:B7:BA:D2:B4: D0:FE:A8:C4:B6:02:21:00:BD:52:5A:68:ED:A3:D3:68: 5D:FA:B3:E5:FE:C5:56:38:AF:87:F1:E0:E3:8B:47:5A: 9B:85:C8:A8:36:9A:12:38 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 : Aug 9 12:16:52.538 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:3B:79:F4:13:51:76:44:96:22:C1:6E:2D: E4:6A:F3:03:3A:B2:91:53:5A:8E:FF:E8:04:07:56:4D: 5D:14:6F:5D:02:20:4D:AF:A8:31:FD:40:F5:F4:B5:8B: 32:4E:27:9E:0E:DB:30:55:B3:05:66:3E:36:78:21:8A: 32:D3:A9:2E:34:4D
-----BEGIN CERTIFICATE-----
MIIFzDCCBLSgAwIBAgIQA3i7Yg/eO7yCxJEZbLmMqDANBgkqhkiG9w0BAQsFADA8
MQswCQYDVQQGEwJVUzEPMA0GA1UEChMGQW1hem9uMRwwGgYDVQQDExNBbWF6b24g
UlNBIDIwNDggTTAxMB4XDTI2MDgwOTAwMDAwMFoXDTI3MDIyMjIzNTk1OVowEjEQ
MA4GA1UEAxMHY2tyLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB
AKJFgNSjFjyyYEV4gwCWrTljFR6CKzQ+zS/abeHw3PfftaIhbkY2eKmsGnCu8z47
3Tk267f9sDRKl6k4o7HCm4GvQ4V7dRRAupBEVLTG7ImEv+HHFBOJMxl0iWpXfesV
ERqCBCRmIDsXWXWbItlkHggRy+YbxfMJI5eThHDNx4CZ8CY8OKEsxhk7t/c+Jr3G
az8WGC/k36gGa8OesRbK1sB4SCVN5TMszdU6d15fFB4BfUNviNLPdgg5GyKIPQpf
9BHMG2XkyLjXttNXJJ2vHgyT7qWeX+gbbCazIsg5G00iQ5Jd41eyhDEVfjrovoxy
L8RrORG+MYY0FwRsSFpqxi0CAwEAAaOCAvIwggLuMB8GA1UdIwQYMBaAFIG4DmOK
iRIY5fo7O1CVn+blkBOFMB0GA1UdDgQWBBTyq96JrOWJBHXvjAZbmtyH0opFSDAu
BgNVHREEJzAlggdja3IuY29tggt3d3cuY2tyLmNvbYINYWRtaW4uY2tyLmNvbTAT
BgNVHSAEDDAKMAgGBmeBDAECATAOBgNVHQ8BAf8EBAMCBaAwEwYDVR0lBAwwCgYI
KwYBBQUHAwEwOwYDVR0fBDQwMjAwoC6gLIYqaHR0cDovL2NybC5yMm0wMS5hbWF6
b250cnVzdC5jb20vcjJtMDEuY3JsMHUGCCsGAQUFBwEBBGkwZzAtBggrBgEFBQcw
AYYhaHR0cDovL29jc3AucjJtMDEuYW1hem9udHJ1c3QuY29tMDYGCCsGAQUFBzAC
hipodHRwOi8vY3J0LnIybTAxLmFtYXpvbnRydXN0LmNvbS9yMm0wMS5jZXIwDAYD
VR0TAQH/BAIwADCCAX4GCisGAQQB1nkCBAIEggFuBIIBagFoAHYATGPcmOWcHauI
9h6KPd6uj6tEozd7X5uUw/uhnPzBviYAAAGf5nRYZwAABAMARzBFAiBYSquTgtp4
MYEwNZHv1oPxj8HWddmQmoIO///GFF2pEAIhAL51bwoKCI6A7GdTViYzadSu+QQ9
ciBovIAcVF8ARTOIAHcA1tWNqdAXU/NqSqDHV0kCr+vH3CzTjNn3ZMgMiRkenwIA
AAGf5nRYdQAABAMASDBGAiEAwvJl1qN9baxw7cjobSQRCLoKUxcbsmC3utK00P6o
xLYCIQC9Ulpo7aPTaF36s+X+xVY4r4fx4OOLR1qbhcioNpoSOAB1AByfaCzp+vBF
aVD4G5aKh93bMhDYTObIsuOCUkrEz1mfAAABn+Z0WToAAAQDAEYwRAIgO3n0E1F2
RJYiwW4t5GrzAzqykVNajv/oBAdWTV0Ub10CIE2vqDH9QPX0tYsyTieeDtswVbMF
Zj42eCGKMtOpLjRNMA0GCSqGSIb3DQEBCwUAA4IBAQBPpAdfDjZgHnto51o4nA+r
l7mG1g7Dwfojk34mBBr/ivu3ER5VmE3ex9dcWxkSZg2Ejwbkf62vB+mbTJUZ0sEh
NrdngBlb09l0B2/uvX4Sa04F39chQmC8sTOe/Wc87zhtRG2bE/lQfCMU4IpEw3zn
luNrE2qFBX0yeUipH749fHA3nzevc7qVlb4aT9OOklDl+DKBGLvHfzBj2V3qv8cj
K5Rgbd5BKI129NGmk1qmhbRkVCDN+x/I0grygjzpulf+f6QttlSluj+BI5j6sPj+
t3o016Ee1vrZOab9p6dRFeHk2VW+wPUH0zWdD36/eiTOAhnId1b0Zc5FTE9p4Ztd
-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-09-25T19:22:45+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
1428
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
4114
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.

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