myappcity.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:ec:1a:1b:3f:97:e7:51:83:92:3a:19:87:e6:c4:10:6e:53 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=myappcity.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:ec:1a:1b:3f:97:e7:51:83:92:3a:19:87:e6:c4:10:6e:53
Serial Number (int): 428790483730114899368190166269575604235859
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 71:6c:a1:94:98:6f:15:53:1d:a2:2d:b1:cc:a1:37:e6:c4:b5:c3:aa
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5f:2f:53:3a:12:5c:b4:a9:74:f0:1a:e5:35:9e:5d:55:0c:34:fc:42
Fingerprint (sha256): e1:00:63:6d:5d:3c:12:ca:5f:39:6a:bc:a9:e4:19:77:af:a6:da:ed:f3:a9:23:4b:3c:71:ee:4e:c3:f7:49:d3

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 myappcity.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for myappcity.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

myappcity.com

Other certificates including the domain name myappcity.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for myappcity.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 428790483730114899368190166269575604235859
 . . . . . . . . [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 2019-10-10 19:26:19 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-08 19:26:19 +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 'myappcity.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 745556841622816072791929364823451807773289392620815915237542589783330968627907004753759725255972107846901594086825874150357750545302244196594465756814273308983554344778650132886434121147099798761604785181739556839998394480244538876501469333603037887607247782462406370706682873342551721684379925610189780973792403179129185019382470394378488711385936839089265548133339752502446975888134072298926391576170916294566826646126288679981639841358733309403116151774771431298905059865749016208523870475888606536600823048468381643784088422460688121684882102309128409928842296180717126075784482592318815860823736658000061187594176363593765369513709535826974875128406200087338114758380200235469425345133278454762630039650102756812570607004887113055571403376840474774012088254935114494050283533052541640649805347976161689430034515171905451808668823591551285800070189014034214743117311247564357936060670046521493274822912982359822913468733395084209377295298624240203889395069083582497765180555099982630124186931838028027975241706872161002642356347491610221362644017619500753551909464884202455929037730892265531030277252214210959203468437853914877337101139462510226180991289519763130798106541734684521964012467172741917284352705745943562203226512333
 . . . . . . . . . . . . . . . . . . . . [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)
							716ca194986f15531da22db1cca137e6c4b5c3aa
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'myappcity.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)
							00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016db759ce420000040300473045022100bb24bf9909f151646403ef39f43ab78667fc4b406f18b4df5cd9289a742b03530220791707306a31c8fbd88a72697cf46a127591985ddbf9b9edc9567160e789392b0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016db759ce750000040300473045022100b9c325528526e251bc4da0f20cb4688c2b3e043cd1c900cf10d10dc16232218c022022dd0a4b34b0864a938d3f2dcece567fe96c7945f3b21a052765031c2475bc38
 . . . . [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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