DV SSL/TLS Certificate for *.osu.edu

Certificate is witin its validity period

Issued by Amazon (Amazon RSA 2048 M03)

About the *.osu.edu DV SSL/TLS Certificate

This certificate with serial number 09:c6:ca:e6:9b:a6:67:1e:48:5a:4c:a3:71:8a:35:4d for *.osu.edu was issued on by Amazon.

With 4 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for *.osu.edu provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Amazon

Organization: Amazon
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 09:c6:ca:e6:9b:a6:67:1e:48:5a:4c:a3:71:8a:35:4d
Serial Number (int): 12995242057442799815534721339165914445
Serial Number Length: 124 bits, 16 octets

Subject Key Identifier: bb:10:b3:a1:42:34:a6:50:88:f8:87:c0:00:6d:23:4b:56:19:c9:38
Authority Key Identifier: 55:d9:18:5f:d2:1c:cc:01:e1:58:b4:be:ab:d9:55:42:01:d7:2e:02

Fingerprint (SHA-1): df:de:e9:12:2c:d1:67:00:93:ea:0b:43:2b:77:23:58:f4:71:ae:20
Fingerprint (SHA-256): 76:6b:7e:de:94:9b:29:b8:90:cf:1c:77:5c:19:ba:a9:e0:b4:42:83:05:ec:64:e1:18:c7:ef:36:c5:67:1b:39

Issuing Certificate URL: http://crt.r2m03.amazontrust.com/r2m03.cer

Revocation Information

OCSP Server: http://ocsp.r2m03.amazontrust.com
CRL Distribution Point: http://crl.r2m03.amazontrust.com/r2m03.crl

Check the revocation status for certificate *.osu.edu
4
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for *.osu.edu

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for *.osu.edu in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7INWKfUTqk/eYbb4KA59
GudV+lDE62gR84YpjSGEU2DighL9t9+JzD9TerfcFZKQYUJig/VPKBp/uoYqdq+G
MBhQjnuYgWzBbcmnv6r/R7d6BA9n6t1RxcrYTeQSjAHGQe7a7SRnrUnbKQBSII+d
YOJwy3EtK5Nbb1kRS2YNO2Jj8+Q5eU04E2AzbpScyKI+vfBI5wuKAJvkiDc2VoQc
Qb1Lz07E8vnq75gVqQYR2h55MJKc944kpoZpM+qKBBzFOrkQ12PXxrmIV2xZ2MVo
GP6ploaqlWF+PTWwJzDi9GhiUNbzz2hw3Rkctasj++wEJg4YXWhmL6BMib0fTKzj
CQIDAQAB
-----END PUBLIC KEY-----

ASN.1 Decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 12995242057442799815534721339165914445
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [c:0|t:5|false] NULL []
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Amazon'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Amazon RSA 2048 M03'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-29 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-28 23:59:59 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String '*.osu.edu'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL []
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 29857004452267850303129285682499545809062464049042896923929205492484345777946102102783168948055397128427180937539860958142221200978468779753167741106086894860939828761820220873190947011822461552495874837989213073463919832107089727288816862908438751447711698303209192221061441530336573337860416946274632304158220068279921539679998654946077953768607100317124676118951282794868884114486322043572228781043167008496106757819479306673275141597954157336267682115174618943406320871344675340729063705989488394348482748494708126421384570685340830067454155685190818370804195310276045133897683770269051108616059169060687293768457
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 55d9185fd21ccc01e158b4beabd9554201d72e02
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							bb10b3a14234a65088f887c0006d234b5619c938
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (58 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.osu.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'osu.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www1.web.osu.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www2.web.osu.edu'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.r2m03.amazontrust.com/r2m03.crl'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (105 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.r2m03.amazontrust.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crt.r2m03.amazontrust.com/r2m03.cer'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (365 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (361 bytes)
							016700750012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a000001919b7d2084000004030046304402205d49e239af0aad1c41426ab2e7f4a652991802c6a96e3bbf3040ca077b7a59350220494481b38159527c87e4239b3e0aa5bf23b50d31a2444838ac2150c4f4f7ecf20076007d591e12e1782a7b1c61677c5efdf8d0875c14a04e959eb9032fd90e8c2e79b8000001919b7d203b0000040300473045022100c09d100f1e98286074e8f7911c9aa96c7608169888dd3083bcf593d7e818b1290220595d02c74d7aafe038bd920499b07a30377b9573089913ec528cf24d91d97b00007600e6d2316340778cc1104106d771b9cec1d240f6968486fbba87321dfd1e378e50000001919b7d20530000040300473045022024b8e9ef7e43a02c617af56d185a8d4b89e4b115ae7d3a77074542ff8c9a0894022100d6c1d965376d120a948ba80ba570809427b0b870b523c9aea92dbdf3fd11f04b
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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