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

udayton.edu · 131.238.73.134:443

Verified

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

Subject
C=US ST=Ohio O=University of Dayton CN=udayton.edu
Issuer
C=US O=Internet2 CN=InCommon RSA Server CA 2
Valid from
2026-01-05T00:00:00+00:00
Expires
2027-01-05T23:59:59+00:00
Days remaining
62
Serial (hex)
5CC1B716B7AEDEB6CEA79F76862AD588
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:udayton.edu, DNS:*.udayton.edu, DNS:www.udayton.edu

SHA-256 fingerprint

FD:2E:00:47:26:72:A0:B5:52:A9:09:C9:56:9B:13:91:A0:39:12:D3:10:22:E3:57:4A:2E:3A:4B:97:DC:A5:23
Certificate extensions & PEM
authorityKeyIdentifier
EF:4C:00:92:A6:FB:76:2E:5E:95:E2:C9:5F:87:1B:19:D5:4D:E2:D9
subjectKeyIdentifier
20:BC:CF:A2:A6:71:92:83:55:4B:5A:BD:AE:4C:A9:2A:11:00:3D:7D
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.103 CPS: https://sectigo.com/CPS Policy: 2.23.140.1.2.2
crlDistributionPoints
Full Name: URI:http://crl.sectigo.com/InCommonRSAServerCA2.crl
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/InCommonRSAServerCA2.crt OCSP - URI:http://ocsp.sectigo.com
ct_precert_scts
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 09:01:35.706 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:88:62:2F:D2:F7:37:A8:A5:45:F6:2B: 64:DF:C4:3C:D2:13:56:EC:15:CB:DA:50:7F:D1:F1:28: 8B:04:6A:47:33:02:20:73:85:EC:28:B5:F5:FE:6A:70: EE:89:FF:72:79:45:0B:12:25:BA:D0:A5:DF:C5:CB:C9: C3:4D:DC:DA:E8:2F:27 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 5 09:01:36.186 2026 GMT Extensions: 00:00:05:00:01:12:22:12 Signature : ecdsa-with-SHA256 30:46:02:21:00:D9:60:DA:9D:FE:B8:5C:90:59:CD:FD: F4:3F:7A:51:C7:D7:53:1E:C6:75:62:0A:7D:59:71:38: 51:2D:5B:A1:48:02:21:00:B0:24:19:9D:F2:E4:B2:B9: 4A:56:28:0D:D8:F3:C6:83:BF:34:3D:86:3F:4D:28:0C: CC:CC:DD:40:A8:2D:BD:BE Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 59:6E:6C:33:86:94:B2:59:72:A2:56:C8:A0:E8:DD:90: 4A:76:E8:08:3D:DA:87:3B:01:08:38:28:14:3C:EE:59 Timestamp : Jan 5 09:01:35.649 2026 GMT Extensions: 00:00:05:00:00:07:DF:13 Signature : ecdsa-with-SHA256 30:46:02:21:00:A0:93:F4:EE:3A:35:6B:F2:C5:B4:36: 0C:C7:10:86:9F:75:D5:E6:D1:8E:02:FE:64:3E:67:2A: 5E:D3:CA:3B:85:02:21:00:AE:A9:39:CC:54:6A:10:CD: C1:C2:EC:44:F4:C2:80:06:E3:2B:76:88:4C:8C:B7:AF: AD:B6:DB:E6:8B:62:FC:B7
subjectAltName
DNS:udayton.edu, DNS:*.udayton.edu, DNS:www.udayton.edu
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-11-04T04:24:44+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Internet2 CN=InCommon RSA Server CA 2
Issuer
C=US ST=New Jersey L=Jersey City O=The USERTRUST Network CN=USERTrust RSA Certification Authority
Valid from
2022-11-16T00:00:00+00:00
Expires
2032-11-15T23:59:59+00:00
Days remaining
2203
Serial (hex)
835B7615206D2D6E097E0B6E409FEFC0
Signature
RSA-SHA384
Public key
RSA 3072

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

87:E0:1C:C4:DD:0C:9D:92:A3:DB:D4:90:92:FF:13:F9:CD:38:74:45:CD:C5:7E:5B:98:4E:1B:77:21:B5:B0:29
Certificate extensions & PEM
authorityKeyIdentifier
53:79:BF:5A:AA:2B:4A:CF:54:80:E1:D8:9B:C0:9D:F2:B2:03:66:CB
subjectKeyIdentifier
EF:4C:00:92:A6:FB:76:2E:5E:95:E2:C9:5F:87:1B:19:D5:4D:E2:D9
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.103 Policy: 2.23.140.1.2.2
crlDistributionPoints
Full Name: URI:http://crl.usertrust.com/USERTrustRSACertificationAuthority.crl
authorityInfoAccess
CA Issuers - URI:http://crt.usertrust.com/USERTrustRSAAAACA.crt OCSP - URI:http://ocsp.usertrust.com
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US ST=New Jersey L=Jersey City O=The USERTRUST Network CN=USERTrust RSA Certification Authority
Issuer
C=GB ST=Greater Manchester L=Salford O=Comodo CA Limited CN=AAA Certificate Services
Valid from
2019-03-12T00:00:00+00:00
Expires
2028-12-31T23:59:59+00:00
Days remaining
788
Serial (hex)
3972443AF922B751D7D36C10DD313595
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

68:B9:C7:61:21:9A:5B:1F:01:31:78:44:74:66:5D:B6:1B:BD:B1:09:E0:0F:05:CA:9F:74:24:4E:E5:F5:F5:2B
Certificate extensions & PEM
authorityKeyIdentifier
A0:11:0A:23:3E:96:F1:07:EC:E2:AF:29:EF:82:A5:7F:D0:30:A4:B4
subjectKeyIdentifier
53:79:BF:5A:AA:2B:4A:CF:54:80:E1:D8:9B:C0:9D:F2:B2:03:66:CB
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
certificatePolicies
Policy: X509v3 Any Policy
crlDistributionPoints
Full Name: URI:http://crl.comodoca.com/AAACertificateServices.crl
authorityInfoAccess
OCSP - URI:http://ocsp.comodoca.com
-----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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