www.rageitdontcageit.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:7f:eb:10:47:15:80:2a:b3:6a:6f:8b:25:58:2b:d0:98:8e was issued on by Let's Encrypt.

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.rageitdontcageit.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:7f:eb:10:47:15:80:2a:b3:6a:6f:8b:25:58:2b:d0:98:8e
Serial Number (int): 304865171491753655562571424835981372594318
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2e:e7:ab:c0:d5:a9:58:f4:f3:00:b0:14:b1:ca:9b:d7:77:1e:f4:a7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ef:94:e8:bd:24:09:9b:9b:67:17:19:34:f9:23:05:94:72:90:53:af
Fingerprint (sha256): 65:70:ae:fd:41:7b:db:9b:9a:fc:f1:65:e8:52:ca:1d:a7:d7:e0:fd:11:5d:4d:d1:94:86:a6:59:91:67:8b:c7

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.rageitdontcageit.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.rageitdontcageit.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

www.rageitdontcageit.com

Other certificates including the domain name rageitdontcageit.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.rageitdontcageit.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 304865171491753655562571424835981372594318
 . . . . . . . . [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 2020-01-13 08:28:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-12 08:28:51 +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.rageitdontcageit.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 773395939645115053819096489392185266202686714276361855601088167146600088038125779978823080080015819858624999302766866892634380416934155721078032439971470594463378039964911053811601371307640603086792033897190838532913452110391430476167138858912406876801180165581169693366335138116072508170280899674617329452193329609468900630394994901024188915460141075868073042339804045240576443186827533122413928244937588302159847258819917485453658815645070114703400224478975136517178609813557613785577354876634855519096621183988198966122576387908304363702991396006988344940695842965071607967366943269099975004395804162317790720580825719684808938476976832710857220129064817109453727603986006987984696424177769815607529506898390370950466610198086528208431880176324448992739440332934732480344206890499184813363945211325337739093662413413165133516898114544997679391973820225649964461879337296811994575422590058258172460440700808473911039248763879488160658073150482742582710836838941310420651215858177131175677442674047673392893548622042912608015874772656742030384308544548947003056207570543470573848863144108995880201824515681630418415389266580071484794501037916677824515716368805332263217717629785402472388401163079499379892080249771935750881899122021
 . . . . . . . . . . . . . . . . . . . . [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)
							2ee7abc0d5a958f4f300b014b1ca9bd7771ef4a7
 . . . . . . . . . . . . . . . . [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 (99 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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.rageitdontcageit.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 (69 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f9e3c04780000040300483046022100a57131970baff34c0bfc62cab329303f5254bbf35d02cd60111be1ac32f1cdbe02210084b07595ddcc06801ee871e85509d65f7fd251e33c1d34bce90fe0e26157813c007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f9e3c049d0000040300463044022009529e55a2321248cd23871e6d59bf1cab4835e9348449af50810c8467aac4fa022070611bc6f7e898a0f8ff8ad26e437d78f1a73a7ae96d2ab22a922f08dcfaa6f3
 . . . . [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)
		009c2c8f76e592287e53e81635d053e36be615693d0b04c409be5d1af88fcab732d344a50d6234dedd69266f16b2c2c530f0ce87046c7207f62364e1725c84fad032f4b7c66460d9adfc161862fd5f3adcf8e33d32aa46028af65280411c8fbb709dc4b36734f8469dd7563e955fde13996889286ac450cfc9d8ce13b1246315b306faa61128db3a6f32a9a91dd7b2d81dac32f0170d6f56444762cb26d289a89b11d060b00d6b8ab3a695af638df0d6e59e020f45f7ae3311d8a456d60c6575469c193412e4fcd2b6cc5289ec3f53ea26e5c914995e8550fff4ce2b4081e1531fbcc076ed8c5a915d2566a7b1e70b05cdd32773f1f96a133fbc4248b0e84034fd