averie.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ec:ef:7a:67:58:15:7a:2f:ac:1a:ad:99:c7:8e:5e:a1:93 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=averie.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ec:ef:7a:67:58:15:7a:2f:ac:1a:ad:99:c7:8e:5e:a1:93
Serial Number (int): 341961817435898467836482340112705427251603
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a9:2f:50:d2:5c:06:73:5a:f0:b3:16:8c:bd:9a:37:89:b5:99:ba:99
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 13:a5:2c:41:3f:21:61:1c:b1:3e:3f:58:67:8b:fc:ad:3f:d5:1f:01
Fingerprint (sha256): 0c:8a:5d:4a:3f:c8:f5:78:37:ea:ec:2e:a2:3c:33:7e:ca:49:24:02:25:71:d4:08:99:01:c2:8c:ab:60:4d:ca

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 averie.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for averie.org

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

averie.org

Other certificates including the domain name averie.org

(limited to 100 certificates)
averie.org
averie.org
averie.org
averie.org
www.adelynn.org
averie.org
averie.org
www.averie.org
www.averie.org
averie.org
www.averie.org
www.averie.org
averie.org
www.averie.org
www.averie.org
averie.org

Certificate

The complete raw certificate details for averie.org 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 341961817435898467836482340112705427251603
 . . . . . . . . [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 2019-09-04 20:13:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-03 20:13:33 +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 'averie.org'
 . . . . . . . . [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 628575280831340646875975446996701949206278155200118664790836433737124527995231791238979133562954268728985707339108093548133762067911369716162993863999929889026951674103732169909456271766344005170849487860052616184210654641741535740995468293286998331072207113097315198185337710368700654245592588816750569172697130348937388642276717529152953544856577351710731558397145017292177137832941913084763082052901463669440725325370041698443296337759793751276221622683723458392529859494834385590932618754017169296998001050113432987571142067731805029522529691301847852522512145168511225952527006840208779941772958905321128091690741858246578858663703365459452551834482413616389427312873012692060404685358545437221694748407387789102676511967341856171728642138527784464579190739911879106934973000267407079796174185120508606390551674098569334633258063033004635551507571831978922816106413000520748337800942316157062032274644576936661781903850166480438947623746297274089545039914334471265841625255814827298649033285123020817660840204856337466538514712261916582071241854520142991691526956389161020532062940366422037518264436084355956727423114060958760004476932101158804478058200846527554268726689787993668313275881936704667809052682137633011530123557217
 . . . . . . . . . . . . . . . . . . . . [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)
							a92f50d25c06735af0b3168cbd9a3789b599ba99
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'averie.org'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016cfe201e9a0000040300463044022011cb03ad639257d39130464b01e3b52ae1cd954f5a99fbddf094df68c93f0c6802206c2ac490be993651740b9f36486feb9d212411b846bd72efa882008d2161862200760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016cfe201e26000004030047304502204b33732179ea93f8558924c8885707a539f3f57612ff511b1bfd076cdf0d5b18022100fb3bfec0f047a3b1677a557b04a8f5cdb94760cc41cccbaf7cf55f5786b5b000
 . . . . [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)
		0056bdea57bbda2592478cc6e4ae09c7b4773260a6973e0de1d96abd11204f3b036b8b557a7db05abdb8a494f341d0a0b2bd728ed373393e2c1433937d45c8c4f9b66e0ccc36f125863bb34f92a7b3a3f527a7176743b8bc9c56ac5fb82ac76f4d9ad2b49f91766378b7f168e226b7fb1af24525e998a30a3b51f6bf398450b288709bc26d31d40fc26917c9cca20d2d97e4d43ef6328da1013ecfda1863ed10f0660d1f36612f9bdcb5756552e8407f74f7800d6d42e110ad5587757b6bfc623725a1b2dc773f7f1f3aa8560335b25fc017adbd4071e84f6eb178354801b0b05ba04aea565e171f1f727a19d27e7f6e185af80597d69968f5671cd4150def4b48