drlange.api.itool4.net

Issued by R3

About this certificate

This digital certificate with serial number 04:4d:20:c8:f9:6d:64:9f:33:81:79:7c:57:5b:b8:6b:9e:34 was issued on by Let's Encrypt.

With 4 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=drlange.api.itool4.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:4d:20:c8:f9:6d:64:9f:33:81:79:7c:57:5b:b8:6b:9e:34
Serial Number (int): 374694464794177074533371346880732320210484
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 66:c3:94:66:07:40:44:1c:29:4b:2f:7d:8d:76:29:fd:08:3a:c0:c6
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 19:62:3e:c0:cf:b3:5b:f6:4b:ee:2d:78:f7:f4:77:7b:be:db:be:a5
Fingerprint (sha256): 08:5b:17:59:64:0c:cc:d1:29:6d:34:e6:dd:c1:30:cf:7e:94:47:27:8a:fb:dd:42:ea:06:f2:24:a4:37:11:54

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

Revocation information

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

Check the revocation status for certificate drlange.api.itool4.net

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for drlange.api.itool4.net

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

drlange.api.itool4.net
drlange.b01.itool4.net
praxis-bettina-lange.de
www.praxis-bettina-lange.de

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Certificate

The complete raw certificate details for drlange.api.itool4.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt0QBEOAjoO5amZQ+D59g
l0mGyL58OtgO+IT1aSWRcdEntvGgFplBBOZU0+jgWq1YWscf++ODqGI+rn4ON/h9
JOpM8mXRfakiYlRQK+r4B9k86XoRYnUkzHL3zQfGcIVjf6Mo8VUeflC5rz+mJQD3
6ZRt3JEPaiBudQHCUuE1S0osHyP3iN0h0BwjoOWnw9C53FHfciw8KD9nlrYM451E
oskH3e679/2yjYtDfqz+uOJoMTcqYMgwW8Apt4FePSV3phFEPwJcaxG4pDXh2Gvz
i8/9NqaOGPG9RavaU2XZcCZvbiQq8aFolyN3SJHWJ+mRHA4ZU4A/bqRaW06vd0rW
kwIDAQAB
-----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 374694464794177074533371346880732320210484
 . . . . . . . . [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 2023-07-26 00:16:36 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-24 00:16:35 +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 'drlange.api.itool4.net'
 . . . . . . . . [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 23135143911767164766241670852717945374529554104984206929480782134511277854599066805834603531798157063870943206105199422266776971880370359798143746119679358330515809971391752860588695806148070631423715599784315856266280118623912534068156440245649447109185089271898276874032279268160850704209834538436337564257717308019919519997429808475224105626062043832181952091372766063638106360313640637487374379347098178772816415870925278957669737264573118388406916636965746115342547192752390344088830333980054841365221880902523680050045977620173563603001596479188186654607265369301079278448985806431926153467574035965192281183891
 . . . . . . . . . . . . . . . . . . . . [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)
							66c394660740441c294b2f7d8d7629fd083ac0c6
 . . . . . . . . . . . . . . . . [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 (104 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'drlange.api.itool4.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'drlange.b01.itool4.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'praxis-bettina-lange.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.praxis-bettina-lange.de'
 . . . . . . . . . . . . . . . . [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)
							00f00076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001898fc4f51000000403004730450220681bf6b356232175378db18e76852108adbe0ffca7ecbea82b2735e956136d35022100f1a8c36476e78dcbd845342d7a307e34e92e4e15c9ba00fc45e5a21597933128007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e000001898fc4f5140000040300473045022100cfae149bdacdc5ca52643bdeb74343c44de4844caabaea93e4e9285e7377a7da022076fe6f2389656983417474fef8abb6b8b66f05672631745cd38b2228da0d350b
 . . . . [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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