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

usbr.gov · 137.77.5.62:443

Verified

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

Subject
C=US ST=Colorado L=Loveland O=Bureau of Reclamation CN=*.usbr.gov
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-01-22T00:00:00+00:00
Expires
2027-01-26T23:59:59+00:00
Days remaining
112
Serial (hex)
030C55D9D9FAF6200540115AFA0F23CA
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.usbr.gov, DNS:usbr.gov

SHA-256 fingerprint

64:05:6F:18:17:DD:15:E1:72:3E:AE:F7:86:9A:C1:10:F3:A7:B5:62:B1:7B:3C:EE:C6:BE:43:2F:A7:9F:82:04
Certificate extensions & PEM
authorityKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
subjectKeyIdentifier
3F:4E:97:EC:4A:64:99:D0:69:3D:0B:68:44:BE:A7:30:DD:A0:51:19
subjectAltName
DNS:*.usbr.gov, DNS:usbr.gov
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl Full Name: URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt
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 : Jan 22 16:30:07.117 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:AA:91:8C:E7:39:A9:8E:2E:E6:39:A5: 7D:85:90:0E:C8:CF:B8:17:45:22:25:6C:F7:60:D1:68: 6B:57:2D:15:6C:02:20:15:77:C3:42:EE:F4:B7:25:15: 67:13:F3:D0:6F:45:13:E3:FC:70:EF:5C:89:C0:3A:5C: 39:C9:7B:15:F2:B9:CD 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 : Jan 22 16:30:07.169 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:C6:B3:07:54:DC:E6:BB:50:09:B2:77: BF:F6:E6:68:C4:9E:C8:B3:79:7D:11:CD:17:73:8D:6B: E6:38:B0:FC:DB:02:20:01:C0:DF:22:B0:5A:08:89:AA: 90:BE:E7:5F:86:4E:BF:A1:FF:8D:82:62:3D:44:95:27: 5E:42:A1:FE:C1:0E:BB Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Jan 22 16:30:07.186 2026 GMT Extensions: 00:00:05:00:01:B9:9D:26 Signature : ecdsa-with-SHA256 30:45:02:20:34:C5:C0:9B:6C:D7:3A:A1:E7:62:D3:A8: 44:12:42:4B:B5:FC:66:23:10:99:6C:43:A8:3D:D7:C5: 13:74:B7:C0:02:21:00:CC:FB:19:65:B9:38:4D:4D:98: 25:8A:E2:88:2C:2A:EF:CC:02:A7:C8:38:F0:5D:4B:1F: 2D:0D:9D:79:C1:97:9C
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-06T00:44:50+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2021-03-30T00:00:00+00:00
Expires
2031-03-29T23:59:59+00:00
Days remaining
1635
Serial (hex)
0CF5BD062B5602F47AB8502C23CCF066
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C8:02:5F:9F:C6:5F:DF:C9:5B:3C:A8:CC:78:67:B9:A5:87:B5:27:79:73:95:79:17:46:3F:C8:13:D0:B6:25:A9
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
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
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalRootG2.crt
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.2.1 Policy: 2.23.140.1.1 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2 Policy: 2.23.140.1.2.3
-----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
4119
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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