csa.edu.ph

Issued by R3

About this certificate

This digital certificate with serial number 04:ce:79:ed:f3:d8:26:93:c4:f2:34:10:4c:f7:e2:62:bc:de 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:ce:79:ed:f3:d8:26:93:c4:f2:34:10:4c:f7:e2:62:bc:de
Serial Number (int): 418709383420350513497677488216891937963230
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ac:1f:80:f2:3e:a8:b3:28:12:17:ac:52:9e:b1:d2:1f:db:90:c4:8d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 20:e7:69:69:2c:03:89:06:f4:27:41:38:6b:48:47:94:3d:7c:6a:86
Fingerprint (sha256): ca:fd:fa:7e:e8:49:ae:c1:92:e0:17:b7:97:87:9e:e2:57:87:3b:cd:42:fd:2e:ec:ba:ec:1a:c5:c4:a6:54:a2

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 418709383420350513497677488216891937963230
 . . . . . . . . [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 2023-04-08 14:46:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-07 14:46:12 +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 766346179436619895903990825446169626357002570461903584505650270479409093845531542527518718310544153303693899733626824315223883333615503882197868299771188487558653804807546014132855815784605370196627614926473178679405393372310293782329285969669569524660286496624843769422419974468046797652704708821901634129336291319315752137589401343943735339758225957079260450491929022560239960066012910528642581803473977908399742934120682886497275410915131622833717207920733130506980504374748979290805628334477148521825134744545519989727364474527886331301236828248811617354965138778893855296315582104598718306815993644735167327755925782051865591817773736720787105761939699659468547291448855840998739253636820398023441785896704677473650800666795540186831785090155438670979761876840958358713333887664458717279259394066964733625029163302556428362806775510865242113952951625192194852417648827291374430417477244734204765234759720557959377579906481651083304962091173207918501812131999397417558945414128199304663142702101354591345321259717369970543175758009172736557363180752036891580267465134700218007719396524638865237740805803619642513925620125642973539734128292939158240646661709311373425068171983261370123082051371734983678848298182352753243232251209
 . . . . . . . . . . . . . . . . . . . . [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)
							ac1f80f23ea8b3281217ac529eb1d21fdb90c48d
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000187618bf127000004030046304402206bc3d072a72f753936cc3d832a032818b4b40ce6a4176cd737a7d8711ffc104402202585235cb05492984652c70684fb0123cfe07070de3a23ecd01cae0dd38ad0490075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000187618bf1390000040300463044022032412047c437a75d887f7f9d8f1fc176776989007a6cb3ff1b818376246c3ff302201ae5c2ad4c2ec96bc2a99472eedcde4c93571b3982fffda312ced5c968fe99d8
 . . . . [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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