cytema.es

Issued by R3

About this certificate

This digital certificate with serial number 03:f8:a0:5e:b8:b8:d5:98:9a:de:49:9b:4f:33:f9:62:c6:90 was issued on by Let's Encrypt.

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:
  • 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=cytema.es

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f8:a0:5e:b8:b8:d5:98:9a:de:49:9b:4f:33:f9:62:c6:90
Serial Number (int): 345940053093511221461943735660115250038416
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b8:8d:56:f1:51:21:5a:eb:a2:4b:71:97:56:9f:b7:6a:8d:d4:21:32
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 17:78:df:15:75:de:aa:69:c6:90:ed:db:75:28:c8:8e:bd:e0:e1:02
Fingerprint (sha256): 5b:84:09:5a:01:ab:27:91:1d:c4:63:d5:18:bf:c0:65:5a:f8:66:a2:8b:36:93:28:b1:0e:af:01:38:ee:73:1d

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

Revocation information

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

Check the revocation status for certificate cytema.es

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 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

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 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 345940053093511221461943735660115250038416
 . . . . . . . . [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 2024-01-05 23:07:38 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-04 23:07:37 +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 '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 795609066045485495082049104555308619992202689365808118856173351701508243524532586332340141544424592019285916344169795061457430177638666349510285861292115456718984957491183709710375426700420511390386775900287845106474438110783281538527724225789599852720784252825476341825683826649492836974708376260841976115006086547746290676431996418355827920430494319218770511033338093540076125582531974030205555183562128945197659410481112133246014409635843099004053023865346592910554161196397207700329590523761191731726633994632902976659312857358753299301962420138964451933652620211187417115005217525557026797500785672193510951877704271989482972760347145626031360699656865734958439086356480915136945834893094492305027991404693390545647431673596621183224437773514794214857523307718172086311768827809441025297776709265099443896618452660075974004450399527728868921821484326087808446088360243914007356892561730252963276073325060451173446017543395975848014642118374140519533606693765866817455863865478027989644155849546111599554823626006963425690738299681924553214843040679707007547724460429004334937151322772082257347232061598861420172295692560145129664069952336608679900858018524683137072186202976165538792997028408792899456068049649677550959184385267
 . . . . . . . . . . . . . . . . . . . . [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)
							b88d56f151215aeba24b7197569fb76a8dd42132
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018cdc18be440000040300463044022063dd57a38b5f1a3043a38ed5879b8fbde30f2c68d561923d44126ec9b64d48fc02202b42237c1af0b9163561d4891e66c992ce4365d871d4d1e4b7cc60a9eb83e52700760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018cdc18c09d0000040300473045022100950a79ff42956e492a76b049ccd788882f0a5b398128ec1281815608134e5f8e02205b580dfbf4f7ce9ad38a3492b88c377d1d6c7818874d9a70cee7ca7d505084a9
 . . . . [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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