csa.edu.ph

Issued by R3

About this certificate

This digital certificate with serial number 04:37:a1:ed:d7:12:00:1b:9f:3a:9d:ed:35:20:65:77:6c:cb was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=csa.edu.ph

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:37:a1:ed:d7:12:00:1b:9f:3a:9d:ed:35:20:65:77:6c:cb
Serial Number (int): 367379914551513651389967266646339031100619
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: bb:ff:75:af:3d:3b:ec:48:34:ba:b3:a4:f6:4f:fc:57:99:f2:55:38
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 22:ab:fe:c6:9c:99:cf:ee:49:dd:11:53:cc:55:82:48:29:f8:36:14
Fingerprint (sha256): 9c:df:0c:d0:0d:a7:b6:9d:8e:e6:db:0a:e7:1b:f9:1b:b7:e2:de:56:d3:4c:1f:3b:a6:a4:4e:1e:98:6c:bb:47

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate csa.edu.ph

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for csa.edu.ph

Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

csa.edu.ph
www.csa.edu.ph

Other certificates including the domain name csa.edu.ph

(limited to 100 certificates)

Certificate

The complete raw certificate details for csa.edu.ph in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 367379914551513651389967266646339031100619
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [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 (countryName)
 . . . . . . . . . . . . . . . . . . . . [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 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-02-07 15:32:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-05-08 15:32:47 +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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'csa.edu.ph'
 . . . . . . . . [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 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 723705503718968255391169930788519118508819434062009560006861566844692919361476846075502782801863558260319487381078617945002250954524493153678346608327414373036839047453101967765747316478506725771972061656144553321471064841029335780420275570312240573641853472263666871175100141398394667568460923290747823939859090934826010900882583642043982600395723208825970247510553415476517175328163903161771400031899350775445546014038081754434473999815209120138451423676115165734550480229862178334331099776005413349285527458566201354129978729086353045415655153790281552385934942966878411328344678312654573161050122900437421592797190299300357782947572009576260509531933709980005702156538324344945610814161277568684223866444587322045374531358801073351069972967768848534853960879102942511745858712066965771470446991049413943876489831682336197715192420016469800226770347554156665249268185342187531533005372712090372265702007602606164709052561553365744237756837233024411993345958320834212561777756329265290236882901573293082972526180255724287218206530230516483314870858067821844813386216308859283268301869780855412505838923571309883939060693318637896599385543894821911558412861599366415898287968630372687913898466006717360136269692157168323291536072567
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [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 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [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 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							bbff75af3d3bec4834bab3a4f64ffc5799f25538
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 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 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'csa.edu.ph'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.csa.edu.ph'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 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 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001862cb907d80000040300483046022100d55cb3b9991eb7616056b5696ac13ff459ab56919426b17497ecbe739dee3b7c02210082d29bc48ab06f4aeae5a0735b0b6c2f3588587b1a43cbd93e12e302812acec60075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001862cb907fa00000403004630440220464919414ced746df8486090c08c1a53bf96db518c406150f3edb30173d2699f02205729ebb2b62d8dee9b3318aa47762d11e0e25b2462b4a99ca307c403cb50fa90
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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