costeo.app

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e3:d8:88:17:c6:4f:b8:57:d9:ea:66:73:58:e0:fb:7f:0d 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=costeo.app

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e3:d8:88:17:c6:4f:b8:57:d9:ea:66:73:58:e0:fb:7f:0d
Serial Number (int): 338868774968003342945967608601568758955789
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e4:cb:e9:6a:86:41:41:b4:f0:63:65:3a:0d:30:97:59:d4:3b:08:5e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ab:fa:ab:10:6e:3f:18:4b:40:0b:4b:ab:60:cc:2e:8b:32:9c:5b:1d
Fingerprint (sha256): a0:57:df:ba:8f:be:99:13:23:c6:b6:9a:67:57:fa:31:a3:4d:f0:8d:ee:a3:3d:f9:14:18:83:ef:46:32:30:97

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 costeo.app

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for costeo.app

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

costeo.app
www.costeo.app

Other certificates including the domain name costeo.app

(limited to 100 certificates)

Certificate

The complete raw certificate details for costeo.app 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 338868774968003342945967608601568758955789
 . . . . . . . . [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 2019-12-09 01:27:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-08 01:27:15 +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 'costeo.app'
 . . . . . . . . [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 727019056937854515489199834206028892226458993406310761044390261058951840325673953203038311860946529513787717333564916532069185871255289100342951744359733545489666283238794961629837546767305050413204260015649583674992245752445740353965118329595516882431599385353604752218579173677239566679660325943500870678065874468048863213539030179040564854564287788952569429454243459071183950451447963774686809423531755544023377608323068245283842370884214439951451979353297940099308474550407145736700518369019066410797664359845246914087745640036227695156223858810594101167256233563579976963131102434351605207296327941467489855044765973844125777632897708888284175596421228898091784925103984502106623379638107936909353144756993811880635694106433418875889859606005830623182819237737434285030974570284912011144444705196801067788209321743021440931956346746178425053949390887242605675340790122800857720961767671988272929805843354703220257740399882421462404061416220133573870851058813816361591713489050484579959753357304429999941897133188407961441880443802097009904421906792273468429367440705104232517422072536398703268728596214049469635855346859285791606682828261182666373058989071287488133807834898110570324365739714026048499381302469810717730810497537
 . . . . . . . . . . . . . . . . . . . . [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)
							e4cbe96a864141b4f063653a0d309759d43b085e
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'costeo.app'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.costeo.app'
 . . . . . . . . . . . . . . . . [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)
							00ef00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ee87b756400000403004730450221008b7e5b628859aa16d1a8d2532389658702463dae42213a6fc326f9e0bbec285d02202fd75e3b31ab288aa2a359267cb6cfa15158a8a71966dda99aef8f71ba1203ba0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ee87b7600000004030046304402201b45754a7d0c893ba97f92bc9587590e02f029198839610da41e0cd0fa591afa02207934f9ab91f7d0405b29dca3094b5f0bdd80614efbfa843cc3369ed88a0c2f97
 . . . . [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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