csa.edu.ph

Issued by R3

About this certificate

This digital certificate with serial number 03:08:06:af:e6:38:12:ea:28:cd:58:d2:00:60:45:41:1d:d8 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • 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)

Certificate Subject

CN=csa.edu.ph

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:08:06:af:e6:38:12:ea:28:cd:58:d2:00:60:45:41:1d:d8
Serial Number (int): 264068005419970040489835327522171804261848
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 23:e5:78:fa:ad:2c:78:d5:d6:79:be:37:af:25:92:7a:e4:fb:5f:47
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 20:89:bc:28:28:83:7f:e2:f7:c7:bb:76:ef:29:09:f7:9d:ec:27:d6
Fingerprint (sha256): 0f:35:42:2f:59:4b:61:65:74:26:1c:5a:8f:e4:79:f4:08:95:f6:6d:5a:85:c9:de:7a:01:8b:56:a3:2c:4c:74

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 264068005419970040489835327522171804261848
 . . . . . . . . [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 2024-04-02 10:53:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-01 10:53:03 +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 739949116663999751210876270735451867296890801181560076670862344151285879340652868514907476029950225270496418581834989241934244626704607868491724376541761941068072577183927587549711520388650008119191288453862718372590437950220296373663596646595311064392676479104626675192047830035045445519162471447488832291616552263147535603131646240268541131211551708669339830635845973675873149806485646613428153191317785913278786742597618233880257693261237981978784079521693516904127861680561342266202747819840494641986879154140816384217056127987615915870975388633695968952472928910979338951856128876235070699198462498435400241426637816472082399096203860163465554884523541938248199450776024125483839094040142882190201353478234400819830122248123146214174873351678959445237818791096077073417921753220731532389653633085688190991425862288600433272261982489377841671420086454463721527332074779454122743117950481841301582615771191046478816062908124544347766757196274558756061036795471864548245511667177462161991297016064512206681868289012423066919010222184182105023051664968881270927637424083258017835929967400726811611214344314782762149003853790321876198501746012975803563772689159652927938198452420962532122833799338616342418496825851163607677998658871
 . . . . . . . . . . . . . . . . . . . . [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)
							23e578faad2c78d5d679be37af25927ae4fb5f47
 . . . . . . . . . . . . . . . . [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)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e9ea7db410000040300483046022100b4234f230b684926a151425b2ab5c2ec390c9c7c416d385271e74afcc386cb45022100ae3f0056bd58bda74737f5c0592451e05174cea2a5107b6760774fb4991e5281007600dfe156ebaa05afb59c0f86718da8c0324eae56d96ea7f5a56a01d1c13bbe525c0000018e9ea7dc170000040300473045022100a7f11b5579e71ad02a2e9782656a4469bbc5a674f1c723a9e223f4921bb830d602202336e8055fd28317a523cb1405c74e6073a745693a1817fb350f5bfbd9eedf1c
 . . . . [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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