www.level-up.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:1d:91:6d:5b:70:0f:e9:9d:8c:cb:12:51:4b:50:a7:0b:c3 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.level-up.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:1d:91:6d:5b:70:0f:e9:9d:8c:cb:12:51:4b:50:a7:0b:c3
Serial Number (int): 358510638242072347957487643076174662798275
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 5f:24:17:f2:1a:37:3a:0b:f7:03:2b:bd:c6:d9:f7:77:dd:d2:c6:19
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ac:a9:49:8f:6e:70:92:b2:63:53:f3:d8:ea:0a:82:79:af:66:12:bb
Fingerprint (sha256): 5c:cb:e1:ed:8c:89:c0:54:e5:d4:fa:31:0b:73:14:27:06:8e:fb:50:b3:58:5e:df:d2:78:bf:1d:96:e8:74:f2

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.level-up.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.level-up.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

www.level-up.org

Other certificates including the domain name level-up.org

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.level-up.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 358510638242072347957487643076174662798275
 . . . . . . . . [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 2020-02-13 22:10:38 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-13 22:10:38 +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.level-up.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 897119676166252497421479391090578595254185976782927149900516693414286329684120650311920986217292726979742548685133525624900721444680979073395235941360628914079173785056143150458166514068665338775596936619081042248004935997359908588874444714679361733741883299082464307672695257654936705885826732157056477832195868091577295963308155558783616065401491094667346154137095517850113190997104595711272363566945354737013009105222111878506750000042981871705210288264532169441029783909542718264111011487636299510032166341565111691476539063379481750549834971174555379453636038733219643767484743785012456850639355829386499158666525855196469628895546416858001268613846045475401314702239997524796907795507862583186393743397479030879961234825588012442782334699681640934266623415148219763287502314243135612557850979719623973195577685253618162177486443528061577209652931772888541546391823172473627641673791268289022749812922384395709106646167782192100808024013244422077213378201285804709913516114169156073715705432112867861769056602323004236899292893779764903472872625728627607851794363696888376159150782372167467351028957460334664998084323820516109071639939917462736932594112479990432116327345640158995154964907891090893510043928788486863945536205923
 . . . . . . . . . . . . . . . . . . . . [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)
							5f2417f21a373a0bf7032bbdc6d9f777ddd2c619
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.level-up.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017040d187be0000040300463044022020c4427ca812a793df6e6209790e6561afea7e77921720ab599f6f84b47d7ef502206d971cc0e1a1da49abc8c8f8e7b112f3566cc798d9bd410f6778193078d40a810075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000017040d187d00000040300463044022066e0214c18c892e709a2b55196b009e142afb53bf66ccbfd4ead4bf27e6efa5e0220262716b1355ba5d029dea4abbd39b97ccc1f3553e749be00ade48d23331e2a6c
 . . . . [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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