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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

nrtc.coop · 44.219.120.78:443

Verified

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

Subject
CN=*.nrtc.coop
Issuer
C=US O=Amazon CN=Amazon RSA 2048 M04
Valid from
2026-09-10T00:00:00+00:00
Expires
2027-03-26T23:59:59+00:00
Days remaining
170
Serial (hex)
0C588BDED4F575EF47491B66FF83C7EA
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.nrtc.coop, DNS:nrtc.coop

SHA-256 fingerprint

BF:9A:BA:05:3E:A0:51:7C:2C:62:A8:CD:ED:98:08:6F:FF:B3:35:F9:55:F9:19:47:FE:DB:FD:AD:33:1D:EA:19
Certificate extensions & PEM
authorityKeyIdentifier
1F:52:92:61:56:82:54:7F:81:66:D8:1D:3D:0A:AA:32:5C:87:DD:08
subjectKeyIdentifier
30:18:06:41:89:07:FF:17:4A:82:12:D9:26:F6:BD:F3:F7:2E:A9:E1
subjectAltName
DNS:*.nrtc.coop, DNS:nrtc.coop
certificatePolicies
Policy: 2.23.140.1.2.1
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl.r2m04.amazontrust.com/r2m04.crl
authorityInfoAccess
OCSP - URI:http://ocsp.r2m04.amazontrust.com CA Issuers - URI:http://crt.r2m04.amazontrust.com/r2m04.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 : Sep 10 07:29:18.680 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:7C:AE:64:08:15:2E:98:A0:92:6A:FD:2F: E3:A0:9C:1C:75:DE:61:61:08:91:CE:3A:A2:2C:E2:F7: A7:78:4E:E6:02:20:0D:6E:39:FB:AB:FD:DB:D4:74:25: 3C:B0:7C:3B:B7:F0:68:C3:BD:C4:D0:41:C9:1E:84:DF: E3:31:92:47:40:33 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 : Sep 10 07:29:18.651 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:32:85:FA:75:E8:EB:9D:82:3A:3D:13:8C: 76:C5:34:11:56:2F:BD:79:A6:69:0D:9D:C6:A5:A0:E8: 84:8B:81:4F:02:20:28:EB:42:1A:55:39:4F:19:0D:F8: 69:87:AE:86:AF:64:2B:33:38:E2:B9:06:19:E4:27:47: F1:E9:98:72:11:39 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Sep 10 07:29:18.703 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:7E:2D:41:05:00:21:66:5B:FA:E1:0F:B2: 54:99:36:92:31:BC:1E:A2:BB:A7:52:58:C2:77:73:19: 1F:62:7E:FE:02:20:79:24:E0:C2:9A:4B:FA:EA:B8:15: 36:36:BC:4A:62:48:9F:EC:94:F4:10:CD:64:B9:10:EE: 19:11:FA:50:96:B2
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-07T12:19:09+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Amazon CN=Amazon RSA 2048 M04
Issuer
C=US O=Amazon CN=Amazon Root CA 1
Valid from
2022-08-23T22:26:35+00:00
Expires
2030-08-23T22:26:35+00:00
Days remaining
1416
Serial (hex)
0773124F2A952E3ED18A58BDB85D1BC0CE5F27
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

13:8B:DF:6E:23:AC:97:1E:B4:E6:26:B2:79:DD:6A:26:F0:57:51:0F:1D:E3:94:29:3A:5E:EA:28:60:DE:01:9B
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
1F:52:92:61:56:82:54:7F:81:66:D8:1D:3D:0A:AA:32:5C:87:DD:08
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
4102
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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