csa.edu.ph

Issued by R3

About this certificate

This digital certificate with serial number 03:a7:cc:2b:73:b3:3d:d6:35:3b:50:4a:22:37:c4:83:ac:42 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): 03:a7:cc:2b:73:b3:3d:d6:35:3b:50:4a:22:37:c4:83:ac:42
Serial Number (int): 318435401197660586231015143130090774441026
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 6d:1c:78:f7:b7:14:bd:b5:d7:dc:c6:57:2f:13:ac:70:d2:ab:2c:9b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 76:dd:3d:e0:6c:4a:a6:5f:79:84:2f:83:98:a1:6a:38:a8:ea:db:18
Fingerprint (sha256): 48:ff:39:78:bf:86:f8:87:78:fe:36:1c:b6:88:66:d0:a3:e9:70:19:2b:5d:bf:d8:45:f4:cd:05:84:c4:7b:22

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 318435401197660586231015143130090774441026
 . . . . . . . . [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 2023-08-06 13:05:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-04 13:05:56 +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 728099869227059876188438204206775893605529288800756426160047716216944511499882355173182153908858470274919474058771704333356886388197527565768526178456450921888750023269691529283239427062553790408463669094085868096399169060728669222855065016354795388934582611091079829267155989021438018451616592215809949348660537111701628935477291605433311313716016697237628581824769699406286350886188761923789429257115090486900138918054642468174927360482186811237597247390346137596651645361090526300387550845440934304771295468261927044363383522681513918616592164077164381723520966054835681534689996981927273214327261603985155233701193194985843538337835374001334553193558656372396705165363924071809669343349721051494463906864602189165682144321809139591458425674730728455343212202497648311271710355931654706277887245338689648909567933094287199634590868760234948515148738424728404145631294143381968437559720236899649679565423556655278379556733153446591374993466937993832390908041476320147015882666594332884074636985573792238495642093248014977243234124933917530627977178258550471912969057118901035939095365622831051864749930247170732596526243463141635245976085184792031412353232419269379116314605450205419675482108673811752601630436878457214947065543373
 . . . . . . . . . . . . . . . . . . . . [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)
							6d1c78f7b714bdb5d7dcc6572f13ac70d2ab2c9b
 . . . . . . . . . . . . . . . . [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 (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 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189cb2b431e0000040300473045022100cde93a7bdbd26a1cf0b32e2d60c851ea44c307dac87d61e264a33615d1eaad5d022017846ed99dc9093396ad09749b3724cc3465d52e8bad30d363f7c50da39e614a0077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189cb2b43360000040300483046022100a55f0da64e2a79b69c153447690e421871b2a15402f70365106d327731d1682b022100865804439ff89ec0135dc59f1a2b7b1ab3c48c97b803d3b62b7b9a0b713fccaf
 . . . . [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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