www.dfdevstudio.com

Issued by R3

About this certificate

This digital certificate with serial number 03:bb:5b:03:48:82:fc:3d:4d:70:d8:15:f7:87:fe:93:81:ed was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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.dfdevstudio.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:bb:5b:03:48:82:fc:3d:4d:70:d8:15:f7:87:fe:93:81:ed
Serial Number (int): 325090637204714452478868317133042567315949
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 48:ea:fa:45:2b:89:99:08:5c:d6:f9:27:50:dc:68:ee:7d:68:76:f2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 8d:08:9e:69:c1:f5:7f:b4:9a:de:42:7e:7c:58:9a:41:b4:91:4d:67
Fingerprint (sha256): 51:91:04:32:17:a2:c7:fd:9c:d0:11:aa:03:a1:9e:31:ea:64:cc:66:b2:a9:83:ca:78:93:b0:c8:e3:21:c3:f9

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

Revocation information

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

Check the revocation status for certificate www.dfdevstudio.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.dfdevstudio.com

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

dfdevstudio.com
www.dfdevstudio.com

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www.alias.cards
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www.leckerdoen.nl
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student.octorun.com
makeup-artist.co.il
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codearchitects.uk
www.ategbe.ng
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www.getbain.com

Certificate

The complete raw certificate details for www.dfdevstudio.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0NOpIjqdyJCzEIIpKCvi
625hNOswst4uYVAeZMCuMlagt13C9GY8R/o4lM1oBSwaqFQIO4h3O17qb49fubwH
U7kf1Zsdxo0aNfxAa0KEL6mh37iK8oR0o2+X0ld49z/KUM7BGGJ6oACqYDocx30X
3bHI9JenrVB+yqGW2AuijQOnsGCe4HhnoBqK4zIssKBZ8j8CMwyLYjZTaivFLsmN
uqRjr5dzXxxN35qSDgxaoeavf7boJ/PDUEaVCPnRoUZ7i7wRfFI03U4+ini315Dq
Wb/3VF+yfGRvA9M/mVeXA5KtmaXBJzDUKWfE5MFj9eIe0tLvSs6BGgg6esevqDzv
nQIDAQAB
-----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 325090637204714452478868317133042567315949
 . . . . . . . . [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 2024-05-03 07:38:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-01 07:38:30 +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.dfdevstudio.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 26361941203593271459322417867559209061536347776493525103839652791005253074719947720565600074005437692234564077754723913610823579058866770865307968858704653600073688945364968572502681955393954547195967019138382931675312995846211170565292092683004101789819071302185658266858020764712200309928617789456118354261808198654181382584987234463611873959350202872715700259920846838008556928698000788927606639748571869148902435626598872224652788863175395276948462111408854119018505613352255484794389805319962368496896943027532136847252706285252052675355548719085192069232978168859395405663396313614705132543738489792308612755357
 . . . . . . . . . . . . . . . . . . . . [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)
							48eafa452b8999085cd6f92750dc68ee7d6876f2
 . . . . . . . . . . . . . . . . [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 (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dfdevstudio.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.dfdevstudio.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)
							00f10077003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018f3d9ae17300000403004830460221008fd983db448cd320c989b04912759d62ca2f444fba96b7a6cf9f4fcefa1cd002022100c7f4ade821de747cb317fe1b2ed1d7f6763cf9212684689be18698cf6509aae4007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018f3d9ae16b0000040300473045022008cecbf991f89f786b0ae622b31d9f619ffbb95806a33f9aac9e379a1270beb60221009b438c7802fde2989337c92908be0971e2b37b847a2f3e934bc25a192c710dc3
 . . . . [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)
		007ecc706a670d7d43a4614f09cd9195e77dec9d391f1f051d6015810e770f9839aa41cfe7ab8ac9d492b050c362b3c078067827544a1371cc6f0cbe96c51b6ef245fa86ee9d71114ae3a40a3124df5d339fdd559eb5d8ef6979a26570be58a3a2b51beb3b7eedcf797bd44c3de93845b7183cf0c8224f3c3d85230cf8fa5aeebed8add5ce99d774b7783de7ff92641fd6f8efc602f460013a4d3bdbdcc4409d50384d071e6ae6b03ed80401d000de7f7b2a4755185ffa8205e2b3f062f95f33fdecc25a45c0fea6e88a2da6093419b90df507f7f2619b495d23fbdb22708b8262b3f5e21e029e75a13d8b05571b6f6b4c278e15bf9e88956d4c50154efdff42eb