DV SSL/TLS Certificate for *.valpo.edu

Certificate is witin its validity period

Issued by Sectigo Limited (Sectigo RSA Domain Validation Secure Server CA)

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

This certificate with serial number fe:25:39:d9:f3:4f:e3:a2:5e:a9:92:cf:9f:54:10:29 for *.valpo.edu was issued on by Sectigo Limited.

With 2 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 *.valpo.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)

Sectigo Limited

Organization: Sectigo Limited
State / Province: Greater Manchester
Locality: Salford
Country: GB

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): fe:25:39:d9:f3:4f:e3:a2:5e:a9:92:cf:9f:54:10:29
Serial Number (int): 337817199278294531579119747754141945897
Serial Number Length: 128 bits, 16 octets

Subject Key Identifier: 39:a9:62:bd:08:33:03:72:10:5b:d0:98:e0:72:01:b5:e3:4a:ff:b6
Authority Key Identifier: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1

Fingerprint (SHA-1): 37:37:f9:f9:71:75:79:8e:39:f1:87:8d:d5:ab:ea:ea:db:31:1f:99
Fingerprint (SHA-256): 18:2e:87:aa:88:e9:fa:89:6f:16:b4:54:34:71:f2:43:04:77:0d:a9:15:45:53:a9:ac:a7:df:5a:58:16:10:3f

Issuing Certificate URL: http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt

Revocation Information

OCSP Server: http://ocsp.sectigo.com

Check the revocation status for certificate *.valpo.edu
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

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

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5Sr2opvONNwDSMwgrE85
1HRiiaQTk9Kwjc52P3it4TUnZgUO1y9hzuTcXUigL8M5430WNVLYks9KNWNKx410
4sqNgpZOSkMGfa4hJGolqKju+puZ/w/J2aLspsJ+bZK1CbQH7bI8Avv3iHPTTiYd
5WWYAZokL25L73bOndzyOB8A0q3vPfeYNI2eVRhjgygv3A+zCwDP/iWij215el+E
j+zie6g8369fvHxtEK6k1ZO0eXtgpl8GlGa6WRIUwa5nVry3qPtXJcyt07RhNE62
PhRss5kZOZUQ0UqHZVJS6SP7cZdddMnjVphjI6oxnmoRKYeQIS5qKLcQbZKa4K+O
9wIDAQAB
-----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 337817199278294531579119747754141945897
 . . . . . . . . [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 'GB'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Greater Manchester'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Salford'
 . . . . . . . . . . . . [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 'Sectigo Limited'
 . . . . . . . . . . . . [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 'Sectigo RSA Domain Validation Secure Server CA'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-01-28 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2026-02-28 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 '*.valpo.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 28929757888608549687342747306154251379403767546005155467499786060716885492964626261960569307691173203025664394839341235123164082838777648433919135951327803396853500794435910773986020686707981392964733131789562983730076380173561823993547243924529602206152712727171694886051456490665131629703970978036061423949175924771168683682988998061760428473979493061750164086206013751893669115743982180321534882940309447304697183191850371466420954712286355839289237143030231790310598956691394123370646719604631319356751140412770533607261770814574955539959234201984060763540030783775788849739013643163558426594514731112568372301559
 . . . . . . . . . . . . . . . . . . . . [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 8d8c5ec454ad8ae177e99bf99b05e1b8018d61e1
 . . . . . . . . . . . . . . . . [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)
							39a962bd08330372105bd098e07201b5e34affb6
 . . . . . . . . . . . . . . . . [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 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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 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 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.7
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'https://sectigo.com/CPS'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (120 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.sectigo.com'
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.valpo.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'valpo.edu'
 . . . . . . . . . . . . . . . . [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)
							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
 . . . . [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)
		00165caf54e6003f7974aab947ba29de0b5044bb9997c84a85ddaee41d169ed5509e5333ef8af77c21fb75ac5bbf82fb3844e35e5fd9cac66ed2bfbd1ead1dc17982150e909ccf77cd6e2e427f3880dcb72df83d6d8547e655786770e5d215f1484aaaa143167fee2b68f48a5fa9ec2aaaa378ac2724fb5a10d47bf291755241c4741e2544bb009f008c3e5b69981883be07140a3d2de24a34deab692df927aa563da4ab136d69ee1b9e7baf61601221ab6da792c31f1cd42a1241f6032430adab6949810c52d46666a408e92a08420bef82008728aab87fd83cbd5d6ca4e9e53bde660063df76aae5e62c0592f430ed4966f20177ce2426929988cfaed94594a3