dragonflyphd.com

Issued by R3

About this certificate

This digital certificate with serial number 04:5c:c8:ea:57:64:a4:8d:bb:1c:81:99:42:2e:69:90:c9:c3 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=dragonflyphd.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:5c:c8:ea:57:64:a4:8d:bb:1c:81:99:42:2e:69:90:c9:c3
Serial Number (int): 380022183852932584202253306037557143849411
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 84:72:3b:9b:53:95:8e:55:63:d3:c4:7f:bc:26:79:3d:7b:3b:98:97
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 67:30:27:f5:31:da:ea:f2:b8:5d:3d:4e:c4:fa:27:b9:5b:38:a3:43
Fingerprint (sha256): 8d:b1:0c:1d:80:fe:26:04:64:e0:16:09:b2:1d:60:d9:b4:a5:17:e5:84:ec:58:4b:aa:10:2b:19:2f:0a:66:fe

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

Revocation information

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

Check the revocation status for certificate dragonflyphd.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for dragonflyphd.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

dragonflyphd.com
www.dragonflyphd.com

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuu1+P75eClAozt3TXSj1
k6c296jGAgCfaHvTb1Kwob55o3atIW65X4FCHYQz4S32meIN4h37W1npL2OYG8Hq
1ad/Cy41JZoGmP2iJ+bAZp+JOaMPVUSe0bPu+3PrPQz78LmSbSwGoIO06ebQ1s5j
7X7P/6xXH2GT76oaM1yPwL5oIW6vC7PzszgjcZUyHc3hAxmi0PhxWn+GcV+fMUlf
bmSepf2oP4xs1Y+D39Qdj4c2IMWkA4B+QqvfHmwZKXd8ptlenyK5BWDIdMnhQuLH
BY5AO7FxGBrBQhSqMdywtJTqDTiSTNyqgHWn/gCXyncDmKqVp6V+dr29PHO0NWnA
nwIDAQAB
-----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 380022183852932584202253306037557143849411
 . . . . . . . . [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 2023-07-23 14:22:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-21 14:22:13 +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 'dragonflyphd.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 23597436965790147567076074739237055385824308588769772397622015255258195575316641755262741477234865720120592610345831808949681041301817794150992825450532072385056731762636641192349220805557875227674167706913413562235302370324844105441998051902901207468804548802093403320139902431638656106972611673595099919901112964571232224378936296437398586236029693847160802797838840819816340808508263312147136328449277774779558120524072899749525234271301732426653932188570453892075681904697814629928195033554640766133808843289212488753550522837400996791236922569464525345534682358502609261068282948115650104923835868030613022425247
 . . . . . . . . . . . . . . . . . . . . [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)
							84723b9b53958e5563d3c47fbc26793d7b3b9897
 . . . . . . . . . . . . . . . . [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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dragonflyphd.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.dragonflyphd.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189835812410000040300463044022032beff01a7b5fee0c04c6432ff441966d38f0c8134404972cebeb41bce1a1b5f0220070279c5b79c526ed6d054c975f3e4dcc26ec3e146d3a4478b4583dffc2bbe8c007500e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e000001898358123d00000403004630440220223d7701766c2d8abff3942f0ee3fe742a079fcc832cb3bc439be83d9c39ed870220383472e2855c46cfcc5c29a7cc366d1c36b08cb79d790624f88d96ec72b314c1
 . . . . [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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