myhairband.com

Issued by R3

About this certificate

This digital certificate with serial number 04:e9:9d:34:3c:1a:d9:21:94:77:fe:39:8f:86:37:35:c0:15 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=myhairband.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:e9:9d:34:3c:1a:d9:21:94:77:fe:39:8f:86:37:35:c0:15
Serial Number (int): 427943895233466231463822561053193887137813
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: a9:d4:db:64:92:81:74:8b:e0:bd:e4:8f:21:6e:94:45:3e:04:99:a9
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f8:9c:f4:7a:4e:09:a9:3f:b3:47:0f:4d:4c:5a:87:60:3c:27:98:7b
Fingerprint (sha256): b4:60:49:66:e7:c4:e6:b4:57:a9:2e:a9:2a:92:5d:1b:6d:36:e9:ea:eb:51:8d:22:9d:5d:67:cb:67:9a:47:fc

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

Revocation information

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

Check the revocation status for certificate myhairband.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for myhairband.com

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

myhairband.com
www.myhairband.com

Other certificates including the domain name myhairband.com

(limited to 100 certificates)
myhairband.com
www.myhairband.com
myhairband.com
www.myhairband.com
myhairband.com
myhairband.com
www.myhairband.com
myhairband.com
myhairband.com
myhairband.com
myhairband.com
myhairband.com
myhairband.com
www.myhairband.com
myhairband.com
myhairband.com
www.myhairband.com
myhairband.com
myhairband.com

Certificate

The complete raw certificate details for myhairband.com 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 427943895233466231463822561053193887137813
 . . . . . . . . [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 2023-09-20 10:05:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-19 10:05:05 +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 'myhairband.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 723189517477269563170435520975577851059675186043749317211680350255205720086458471424873115084898926587133085620004143803305455259354418072569508439955674107682186142577653172877078865234714328811598520914041584864893421748267444246662881272706972038131681575797674636799066738275490351666717744132741016380542116394748535095377433336446758808960152855404568280057107315052818861849000123581947389356702221662415269657066731477816225457149005953615660511203635520248214933107849677418872046224526619316811170752967614004940774445442030801279604791076274932089344716415802575267784846577935804690038831430374549457837020942597216136637873213697733355838010308734210891939193445164766533679696803357454730275507369783182147044131212705382196171781326959394258420478478243397169637900672404022408089640134808880904484354809814198316278367891306784398343374522907803283033140745161918809959301580878047262615493997472367479143191926800837270383987197234757185906957599318448004456119532612179296493584800494965390816442826479465341689118322898810557434085186828424574203492318321924245837019744674055318940061830468026818681416366290647963371173675805162276185040124455107116492418188240313004195694117013437951003952023977499611634206963
 . . . . . . . . . . . . . . . . . . . . [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)
							a9d4db649281748be0bde48f216e94453e0499a9
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'myhairband.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.myhairband.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018ab243df850000040300473045022100f2bdcbe28a6fcac9a0358a595341ed8dd08f458bb4090effec9df07cac91745c022030b4984fb9d12f7594ab729d1250b42a967dfd4b8a6dfbd0b604385c5065151b007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018ab243dfbf0000040300483046022100e310de10096ff1306cd4bcf818ebdd37e0585abf76374004292a2914ad038810022100cd139a2f52d85a64dd95b31eb5444679b067cb36ac6308020b887566bd72187e
 . . . . [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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