www.cytema.es

Issued by R3

About this certificate

This digital certificate with serial number 04:36:c8:67:d2:94:14:21:51:cd:de:28:a0:e8:5c:68:bb:a0 was issued on by Let's Encrypt.

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=www.cytema.es

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:36:c8:67:d2:94:14:21:51:cd:de:28:a0:e8:5c:68:bb:a0
Serial Number (int): 367090776217543090675363987910875698215840
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: a2:ab:45:b8:7a:3d:58:63:22:87:11:a3:51:8f:bf:43:db:a2:ad:8f
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 79:59:f0:2c:77:ce:bb:af:a5:dc:a4:d8:42:0e:02:c9:5b:d3:6f:6c
Fingerprint (sha256): 00:fc:85:52:a7:12:53:eb:87:a0:fd:bc:74:0b:0d:9c:fe:58:f5:16:a6:ee:03:4f:9e:20:4e:58:f7:a9:84:75

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

Revocation information

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

Check the revocation status for certificate www.cytema.es

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.cytema.es

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

www.cytema.es

Other certificates including the domain name cytema.es

(limited to 100 certificates)
www.cytema.es
www.cytema.es
cytema.es
www.cytema.es
cytema.es
www.cytema.es
www.cytema.es

Certificate

The complete raw certificate details for www.cytema.es 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 367090776217543090675363987910875698215840
 . . . . . . . . [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 07:56:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-01 07:56:41 +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 'www.cytema.es'
 . . . . . . . . [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 750546870506636746026580484691911617707235792713436735905927637229610498826230294419994072903167703331174143094814836742562033490216494892584094536639479142773550994069906203978077590868030375094414154373339341536976556610074080512014393277233643493035630840937316951884802959159988111761439840519560077892784740299378612764135130729513191896908998455693159321356163440148172599206759580230684266856966644018959535423850694186220194522983563222416594176276019574607299647053978846736263195081806994243720061898602731520138280343977825422941151420721193065825197731042428210779527113737281430246525472526633262029211756672066226988039146163237583666977344786162987065269600248662839968646667185854997037876690011230693076176880031843083015755437400455538429092546477696400775715371507121888808205307686713302520800469321534821259841661574386412032392059507173958041764934921648313640615317505219037629430286107557061363233311252189171001276928060895276286373823265042134734861427730641727806526692031383884170459800193912566852309929570309179724813080237462300945220963538942549399384408202124597108936586139291418034184778985632472308075090721939908865412892704383072796043492564919138609642365612588175782948963941509959413812952043
 . . . . . . . . . . . . . . . . . . . . [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)
							a2ab45b87a3d5863228711a3518fbf43dba2ad8f
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cytema.es'
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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