cetem.es

Issued by R3

About this certificate

This digital certificate with serial number 03:d7:14:18:5c:ed:d1:cc:35:3a:1d:7d:ba:3f:74:e6:67:05 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:
  • 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=cetem.es

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d7:14:18:5c:ed:d1:cc:35:3a:1d:7d:ba:3f:74:e6:67:05
Serial Number (int): 334524277743146500028930049302825059903237
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 01:82:71:d2:47:17:2d:93:09:9e:2d:6f:73:98:de:79:d5:76:fa:69
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 48:4a:a8:66:de:0d:f7:47:01:38:c8:20:04:cb:20:e2:a5:94:e3:44
Fingerprint (sha256): 14:ec:a9:b1:b0:bb:b4:47:7a:aa:c9:f2:6b:d2:dc:29:7d:24:19:b6:0d:05:5a:85:fb:fb:ff:73:7e:fd:39:d5

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

Revocation information

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

Check the revocation status for certificate cetem.es

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cetem.es

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

cetem.es
www.cetem.es

Other certificates including the domain name cetem.es

(limited to 100 certificates)
cetem.es
anandabemestar.com
cetem.es
www.djlbirdnest.com
fichajes.cetem.es
www.snapdragonselfie.com
dhirunand.com
rebornabroad.com
upload.stgapp.de
schlueter-kollegen.fastdocs.de
focuswall.madebyayan.com
www.100percentfa.com
cetem.es
cetem.es
console.deci-bel.com
quizee.ushakov.dev
fichajes.cetem.es
www.100percentfa.com
cetem.es
cetem.es
upload.stgapp.de
www.willardshikami.com
aboa-mare-sperry.mari-sto.fi
monkooli.com

Certificate

The complete raw certificate details for cetem.es in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0AqBowL6DbTUtj+QQfO7
MvSFI/rnIrybZG6Yne7lde76AsMncQXNN9qX9/6rhUVDosqQENenzI9Q0D8durQv
xwzW8dKCFkx03TUnm8KdlVcyKdWfxnp4DeizkCBXR7i3NwaKqOLfs2m4vGYvPYs1
yCU618bmJ3lrb77d++pXPaaJxMDPJadofE4HIOSV1IZppZTGwPXXdV/1jgxJ0uI1
SBxTFn5rt8rfw51RVCB6Df+u+iN31hxQmRENYfieEFV8ewFQtVZ5FMfv+s2easfp
vLaLbV81bmmFJTNzUd5qNLdkakH1CU+nM6YYQY2roFUeCeHUsbYXlcU1PcvUGT1M
YQIDAQAB
-----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 334524277743146500028930049302825059903237
 . . . . . . . . [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 2023-11-04 09:26:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-02 09:26:15 +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 'cetem.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 26262748328723937622319599789921556095556996378751120437317690417422904164063624570385813981734220260032552640435767886377415660275422765237791394455044976635304783043376545238021080841673003568767203045740662146656288806410851344069452916338697402799102599154368828095873657355000531445541498590742086698656859425109299921291239693351303798659025607469506946110913699619057309963921332569416832334716085070779965458886638408238089038606953995661494225308063266021591224663788549615353954086069593900013926023921280033918368182494583053074522301070506025147310963152813606271650011535890374648365696863645302295186529
 . . . . . . . . . . . . . . . . . . . . [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)
							018271d247172d93099e2d6f7398de79d576fa69
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cetem.es'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cetem.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b99de7bf800000403004830460221008597ae32fb03033bf42198d3cb7b3f5816faaa4f9ae1a2cf0b496bb30b7be10e022100aa6f7dcdf36054d4644e68b5888025c66a60ff79800617cd53257401fce2744c007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b99de7c0b0000040300473045022100830f1d295c327d962d12437480b09a8db0f1e272bc205c69a37b7a98566cbf5302206c42af8f0095fb90b3c7182ac1d43701948f1c0cd42d434fd6360d923964a5d5
 . . . . [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)
		0095fd6addffaca21c7226b9f83d815adf109fb3b9e1b90ba5c828eb7bf6b88131d8f69069e27bda295e2bb7bea0fab07f1a22e5e42b9b9c8f3c7b5b37426d46b930e79adfba70014178353e1c9fd0b2e269d0eb1d177ea049de18cdca57f751ff753ca958fb97202bf19cd803964d5b9be653656ea0d491e084f4c80b96175d6ead7fcfba7b087fdfdd7ddce20f7fcba22a577df6812d84a16330cfdc6bc5f4d0547c4bedde51fc50a4712282a8bf5e6337205d15b566867d23736f34505a3ba6fe7f121043812afa13fffef402a133155fe9a109e88842258e5d796c35b7c43d669ec90744b06941e073e1c09ab6a76e373b3a451eb26106a740ced188398048