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

dfwairport.com · 192.112.2.175:443

Verified

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

Subject
C=US ST=Texas L=Dallas O=Dallas-Fort Worth International Airport Board CN=sites.dfwairport.com
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-01-05T00:00:00+00:00
Expires
2027-01-04T23:59:59+00:00
Days remaining
61
Serial (hex)
034FBE1E72B270B14B69C3382D78CC46
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:sites.dfwairport.com, DNS:sites-prd-dfw-vip.dfwairport.com, DNS:apps.dfwairport.com, DNS:apps-prd-dfw-vip.dfwairport.com, DNS:www.dfwairport.com, DNS:dfwairport.com

SHA-256 fingerprint

CC:35:74:78:CF:33:74:35:EC:A8:44:AD:01:4A:82:86:2E:E2:0F:DF:0D:C1:53:68:D4:94:8A:9B:97:14:90:CB
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
FD:56:32:C3:3D:DD:BB:5B:52:1D:6E:DB:7B:19:3A:FE:7E:1C:E3:51
subjectAltName
DNS:sites.dfwairport.com, DNS:sites-prd-dfw-vip.dfwairport.com, DNS:apps.dfwairport.com, DNS:apps-prd-dfw-vip.dfwairport.com, DNS:www.dfwairport.com, DNS:dfwairport.com
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 5 13:21:59.334 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:A4:06:21:A5:3D:8B:B9:DC:C1:60:A9: 90:F7:ED:E1:95:43:33:E9:5C:A3:A8:3C:0B:93:25:AF: 40:F0:52:0F:70:02:20:48:A0:7B:35:0A:60:32:52:58: 62:74:76:4A:43:92:7F:6E:7C:29:35:F9:73:46:4B:D8: 7B:3F:6D:E8:40:EB:B5 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 5 13:21:59.362 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:FE:00:CD:FC:FB:11:2D:91:AB:86:14: AE:DE:F4:D0:98:D1:45:34:0B:F2:CC:E6:0D:89:80:C7: D4:20:30:A5:F7:02:20:4C:33:AB:F9:95:08:72:74:A2: 06:78:AC:6D:59:D0:73:0F:54:77:E1:66:C6:34:A4:47: 8D:39:5D:7C:80:58:4A 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 : Jan 5 13:21:59.579 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:7B:0C:B5:A4:06:3F:27:0B:F5:0B:9B:92: B4:86:AE:FC:68:08:65:31:C9:E4:A9:6D:FA:E9:79:E9: 98:24:38:2C:02:20:1E:E1:CA:ED:15:A7:9D:B1:50:A1: E8:E7:48:65:79:F0:E9:D3:08:70:5C:F4:FD:A0:F9:D2: 26:16:12:61:C4:E4
-----BEGIN CERTIFICATE-----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DAECAjApMCcGCCsGAQUFBwIBFhtodHRwOi8vd3d3LmRpZ2ljZXJ0LmNvbS9DUFMw
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ZGlnaWNlcnQuY29tL0RpZ2lDZXJ0R2xvYmFsRzJUTFNSU0FTSEEyNTYyMDIwQ0Ex
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LmRpZ2ljZXJ0LmNvbTBRBggrBgEFBQcwAoZFaHR0cDovL2NhY2VydHMuZGlnaWNl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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-11-04T09:19:39+00:00

Server-presented chain · 1 additional certificate

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
1606
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-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

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