csa.edu.ph

Issued by R3

About this certificate

This digital certificate with serial number 03:d7:cc:4a:f9:7c:d7:36:1f:f3:86:e7:9a:ef:8d:8a:d1:3c 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:d7:cc:4a:f9:7c:d7:36:1f:f3:86:e7:9a:ef:8d:8a:d1:3c
Serial Number (int): 334769118484601052170840329494214774280508
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 23:88:c0:8d:21:cc:7d:5c:0d:89:31:9b:44:18:0f:cb:76:99:0e:54
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 77:12:c4:c0:bd:71:35:a9:ac:ef:8b:04:6f:32:66:5c:3d:10:b3:7d
Fingerprint (sha256): 2d:31:54:e7:7c:1b:41:08:69:dc:90:51:fe:43:f3:32:18:bc:3e:28:c1:aa:8b:76:b9:d8:76:fd:ff:36:83:73

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-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAutPCDxspvh8iP0SI71bI
s0v9fltBrmGfEnXm5l5Caa5+rXQIQ9XGbAhF0miuFMmxy6iqwRsZJgMAeck5Tgpg
7WKTbnBf2bzFzt03bB1jyI35lM7JnAr4b4dezBIKp3J2/183vcduViee8/RcpAIy
2raKNLtvoxzNVBnta6s8ZA7frrKJnF0bWqfE+jvK4gAvoYhx1jgqOC4TZ6Z2rK9r
/Zse5v4G0krBvYe/wxp2wGGARqYBOQE6hTuU+KD+kj/RGrBqGZKULtEypFAmXy2Q
E95HXH55xKlcOvo7VtSLMLHAsYhu1aVH1w/WYrLMPJMoJ1mSIJOJnKC+yZxbmWgT
cFQUB0NTa36HshGcL7dpgb4X5Guuif8f/V976KtweN6loqW9EThVTyQWcFm+mPoo
sasKQZ9ID5W4nP0GFy0QfvgB5V8MltpR5X4cUKRj7SGe9gpilvoD+uNqBeDvr98j
lmehOsl1x5cECKuSEYFoeVbc+9Rsl/hTxLcCy2gboJLcJtnkEXWKCwSq7YcxIqbQ
SdST01NdbOHG7dYtlPcvQRME/ATjZOm3DQR6hcgq2q0L9Tj3e5k74xCYmyUlVpAG
7Qodzo/cSmGLdIDS//FXss56dXy9G2nYWRE4sMfOZ7+oGiwRQJFwWwegBY/ATltd
aDzaf1JRaqjh6PeIXrpJYNsCAwEAAQ==
-----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 334769118484601052170840329494214774280508
 . . . . . . . . [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 2023-06-07 13:59:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-05 13:59:16 +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 762188396042306478906953421891234366364935305733678495045175041819671146003488125903382997920690316316153090577708504021385872261482654919510190337054305994097456957335355451101481855688962173912570936845390729304618320419889019740774611453977996150815299832494184444161655268645329971089941565524621907564765884991074821587819729518384470499000614406548279823945040980066245877131670759009601737478581283869206855815555149083612644808358510010410948306066756030799784269544645944841548286527095394601968688439766624798352209747890974088685265105920488448302987434753394182592291031810244170752730285871463159818485733318077314681143355777348985693541495458817422151027408612014147623300230465775969792950178493996265060692305340113650016484259753058121509770993221272138101645293989423510196726367434068157624776294954785109912448576792175466557777996995921114403983228530776295834559372342167085918378882499324067079516112876306095302936146662121602223097161770537847608816318833782810149624280530090487451853186233565865656670126562464821032084613821815079279197586728963670750927565645869657036144328791876911188906912655576739285108657258425481061520948484971334511105608025544251293885655838702424855467364295726139274861043931
 . . . . . . . . . . . . . . . . . . . . [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)
							2388c08d21cc7d5c0d89319b44180fcb76990e54
 . . . . . . . . . . . . . . . . [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)
							00f0007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000188965e88030000040300483046022100dbdf9d706098202823e0348f9e99a9004a8513cb6dcd15c52013a12d403a8ee6022100d79324cc69cfef19dbca62825eca23607493488f7fa150beb97a2686464a4c740075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000188965e881000000403004630440220333194ce5f776eccb1afba064c9f1b874516455f3fe0846092b8d913be92d7e702204227577c94f9e15caa18257c4dbded7d05197965d664119244786842af05c6da
 . . . . [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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