www.rtduggan.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:62:f9:73:8c:10:eb:8c:f7:4e:0f:4e:20:e7:05:46:af:f6 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=www.rtduggan.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:62:f9:73:8c:10:eb:8c:f7:4e:0f:4e:20:e7:05:46:af:f6
Serial Number (int): 295016107479499779423062060056032666103798
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 0e:ee:2a:ce:c3:7e:93:b2:c7:fd:07:f4:76:97:b3:5a:23:50:13:54
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ab:ca:c3:87:d4:e8:50:a2:1a:38:92:5c:6e:96:7d:72:b1:c1:d8:80
Fingerprint (sha256): a8:81:82:0f:ac:72:7f:25:c1:90:d3:9a:92:3e:35:2b:06:f1:8b:77:35:9b:22:6e:53:4b:c8:a7:82:12:e8:7f

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org/

Check the revocation status for certificate www.rtduggan.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.rtduggan.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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

rtduggan.com
www.rtduggan.com

Other certificates including the domain name rtduggan.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA/dLHAqebVj81I+NYvKJ3
hXjlKaLCHLPRzSCg1osNl70HdWc7FTkajc8H0aVUVcrcPGCMMWyYCQfw5Woo2JYJ
uDdCnDh5w8hhhIyBQ1vkMqecQYD8FvJMCrOD4j8bj2RiSG3Mth7OvZn08AIXdZoW
snwpLulh2IuVtnOlnP7vGI/LPNY7ad2q3zAg693KukzkvxscXn6Chp8+8rfKhj7w
fMGodUipyXZqufcM5kukdejvaa5/0esIY021g9MbFbfyLtagSd/r5BiHLyFqTWFa
Xpu0VJUrV6ifNx5oOjhI1iLkhppYZYY20B8TwKOCYO1eHwsZtzVP5ZdKAgEn2NSq
pgF5N6fDXLvx2th6bK8QeUfE7oAWxlkDPy2LQuemNesYOFQnkqOQxBrfF0TlB4qB
QTk4QIuoAmQGgl17gcRQy79iw/5zbjYvC3/w8ti3aimSQJCsq6fEswTAf/8Pzcg8
g09oQSC9ZBjiVOqz2gv92HOJHSwdQAdvgyJbXY+VmWETouyKTEb3f/rGcdE6O6yb
TkXEBMiCkckmDQqzq+x3AOUCumvMWkN2SGg0k9VxCk2QrVS+J71ZSldaUnmTWqAb
xqLHlRU3rBvIZNJrkt3oKj2BhSnQpJv0IeI+zOVwXVZs9v0g5fVxLht2CGIpYABa
95W1cOX9tvzuQSMVD8ryjJsCAwEAAQ==
-----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 295016107479499779423062060056032666103798
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-08-20 10:48:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-11-18 10:48:00 +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.rtduggan.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 1035508920714403884917240068716119498432805849997552707719645934388282693607496608987779849892487063334398829610837604663621269539381533967534885656877331251905900988789206855141712987199171199263809617314423866706734363296052929691747799395706459792625142672600685431235590091182172363268738423867981532489419802775516833925043859129418524753692358239607233709518395929148075560374105095447851707429619477760227820858813531366545656400949647018783734353068712378749437645961305699165208392539458026833884473225830895596818408572119205731375263035508488896658167497039264803901473699892670531001187152713966389613843109992881026045617414743287381354682294951075893430876365722843283914352857647990811338432875101861852690407150992253793098298566231803532506913190519266871462480067026511486613794351990487860976368297306691833800725110078880139454044040739909425379093667387914170359742840919271052562709874014544051024696992395220272157433833501681902859016432126928046104768498844329674578739805613807140366351478841564792922644538634638336169888533282869612833066441271445310753819460710306449786014678316762901421364104804534624504739573839854897233150844239404873847474592556066354329053201840822849577023044580230196415826136219
 . . . . . . . . . . . . . . . . . . . . [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)
							0eee2acec37e93b2c7fd07f47697b35a23501354
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (100 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rtduggan.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.rtduggan.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 (246 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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