avoidingmistakes.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:7f:e4:fd:ad:32:9a:74:47:fb:14:80:64:57:d2:c6:a7:19 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=avoidingmistakes.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:7f:e4:fd:ad:32:9a:74:47:fb:14:80:64:57:d2:c6:a7:19
Serial Number (int): 391969385473010412401035652376652021147417
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: f5:7c:b9:35:55:ce:6d:d8:ea:34:19:52:27:f1:5d:73:61:aa:b7:cb
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 94:79:8b:98:f8:7c:74:67:b6:7e:de:58:eb:a8:d1:f5:27:ad:ab:5d
Fingerprint (sha256): 15:e9:50:0d:b1:bc:d7:47:bf:8f:db:f5:13:0b:5d:cf:aa:e9:85:7e:29:6a:95:b8:8e:23:1a:59:98:08:ef:51

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 avoidingmistakes.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for avoidingmistakes.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

avoidingmistakes.com

Other certificates including the domain name avoidingmistakes.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for avoidingmistakes.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 391969385473010412401035652376652021147417
 . . . . . . . . [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 2019-12-17 00:19:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-16 00:19:33 +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 'avoidingmistakes.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 814304712474732455089261007658679514429788800055224821894166773955104284140473519249866861334445116995294369885260780115849158868764659771382788694848616515207190267392426597912971489389522455931096704281958572022745224095123687053766963948175996832487198951625607001215191586781327740852877358152090463611474141672924522836346558447390423955007750122519217686835989922434230716219529668947013107289882965348990619865352813959992594194173383281259266858324004429598309441200826850003736294296967489103563025789211396410826032742073690180339378638926588071159320449078903012987573972236791165060498751698810701596547581732761656839335979788568959316506872643007195983115896891835574716934780529184412146748277248182008123428320649653924887500804577729236154984653864025410223565791098055659985112595496128570882287837186102386430693016786150523730848864617575401638835954279023046202567606405102903075553789046691932926960755221262984866455741151246289489415723488395334315046786383386412691347011779491340337038171109684335819248456489570826554532169448689026260486691461208856330600288118621480803867053238814996387996398288710246979239554374145727379686927726126106888136456256909882507113599025870768613206804898131481795737357427
 . . . . . . . . . . . . . . . . . . . . [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)
							f57cb93555ce6dd8ea34195227f15d7361aab7cb
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'avoidingmistakes.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f11705a5d00000403004730450220344373e3e545e89ce45806e41265fa8ae3be5a23a7079ad1ba7d1df00ed880ba022100d921108149beb55272f44a92d20b6d22ce08a9b7d5a72623ce8168ee49e0e91c0077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f11705a910000040300483046022100d45c354675d02ce5fc82f782ca1ea9fe6c198dd449b520d526338a7a6abedbba022100e6286a4061d1e76cf5c17ed5d91828dd7d6322d422f4cf1f0415c1d1278898f9
 . . . . [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)
		0024e16f096b95e195163c9c9dde928dccafe98760d4b37d5858ed138a4c18b6ba472f3dd9225d746eb2f55ce907ffb7fc12717860c2e1e57274e11221179313b5d0ef552bdb42bda33a8d5bab80a744050ab009ae57f3831cf89613bda86bd7b9189948cafa2f57b4054b00958ab5666fba35071f17ef435296f412b2147cde391f54b37dbfec0baaa7957ff57a4b398c34a6e127f0ca129e50bbd138a8da3688f4e13fe56ddbd7ae6061827846e700234102974a98c2d984160725f259d7a4cc4a504081c22e98edd0f97b809564214a2d358e07991dc2193f3dec374796f7d8ce7969000fc62985ddee027fc52141314db7571d46484dcf9aa50ecf68b61642