colegiomontessori.com

Issued by R3

About this certificate

This digital certificate with serial number 04:73:36:7b:51:46:6c:ad:4d:3e:e3:cb:da:77:31:28:88:3d was issued on by Let's Encrypt.

With 5 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=colegiomontessori.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:73:36:7b:51:46:6c:ad:4d:3e:e3:cb:da:77:31:28:88:3d
Serial Number (int): 387654034535689678287512431033637573003325
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: bc:68:b1:1b:f9:56:78:de:e0:0f:50:ed:40:15:27:d3:51:03:f7:b0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 3e:5e:b8:3e:67:32:4c:73:35:ff:48:ea:87:5a:6a:bd:57:e3:5c:8f
Fingerprint (sha256): 3b:ff:52:96:57:92:c9:94:10:0e:6f:5f:cc:05:59:a8:f6:d2:c3:0a:ff:7a:6b:9b:8b:13:4f:e0:d4:d1:c6:5e

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

Revocation information

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

Check the revocation status for certificate colegiomontessori.com

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for colegiomontessori.com

Public Key Algorithm

RSA

Key Size

2048

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

colegiomontessori.com
familia-escuela.colegiomontessori.com
jornadas.colegiomontessori.com
oldsite.colegiomontessori.com
www.colegiomontessori.com

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Certificate

The complete raw certificate details for colegiomontessori.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxiBivFfMlEfxVtsPkTFt
KM+b0GUq7mBrOCqqe144I09EjswwKf0gN/Jcsrsf+Tha5BC0OL/7sJNJOcgOttOv
4uiAV7Mr/rI0Gj8AtQttMVuYNi/5fVahak9PWPaTVkqWhmrFnxKZxMEUK7wlCaRv
AxdufZDGcrARLZAZ+FvBPGnyKJ1KhpiEO/kb3BSDhF2NuPfTVDL+5QjAdedqnxxs
0h0woo4I48aGVo7f7RLfJc4nM7HqV553yLVMvwPzdnfizkzNQxWrEcdVkkc1z6xz
mExfTlCfX53VwVIIqCRQJ3wJuh+8pXK6FmDassl5Kqp3hR9te51/WhXHwlJvIIqj
AQIDAQAB
-----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 387654034535689678287512431033637573003325
 . . . . . . . . [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 2023-07-31 03:29:36 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-29 03:29:35 +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 'colegiomontessori.com'
 . . . . . . . . [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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 25011154360445536899454604577185835716169888672126280887844384115606513155329698342693829925935481333123786719774091295593371454467302878746244639292372380037849857430039899041407505148469424564084701558396200678186566713494027892822079678785281650195517360700173336668453404545231962803478383897920636841283890623535163656503891495516358701194927336818118130545135211237439323737574091133030966902850450501575977061150208510974669586289974834006585813493225496270574344371432125920218185432109157613100651145999964756452067752983007435984345895085950914312891211447812114902764919082085487820144622754182723292275457
 . . . . . . . . . . . . . . . . . . . . [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)
							bc68b11bf95678dee00f50ed401527d35103f7b0
 . . . . . . . . . . . . . . . . [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 (155 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'colegiomontessori.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'familia-escuela.colegiomontessori.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'jornadas.colegiomontessori.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'oldsite.colegiomontessori.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.colegiomontessori.com'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189aa3571d10000040300463044022004729def92a60e122cab9647c95ca69f4e196504e0ad0479dc0c5fa51f8c890f02205e46509087327f51da1dda17e96d258f4e1f65228cd03e72ef97b6b27edbad4f007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189aa3571eb000004030048304602210098070cb5537ec430f6619887ee8680ac752e0c8a6c713b90f6d060bf1bc7b25e022100ebc9401b299f70d944314bfd8ef00c9b0b1639419945ff2f79a1a306c9592cf4
 . . . . [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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