www.fuamin.androsci.com

Issued by R3

About this certificate

This digital certificate with serial number 03:a6:2e:af:5f:70:85:36:93:76:d9:c2:d6:e1:d9:db:f2:7a was issued on by Let's Encrypt.

With 6 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=www.fuamin.androsci.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a6:2e:af:5f:70:85:36:93:76:d9:c2:d6:e1:d9:db:f2:7a
Serial Number (int): 317885785779656568632967525595336440279674
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 45:d0:c9:f5:91:21:66:b8:f7:2d:d3:72:c7:02:20:1e:d3:61:f1:c9
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 90:41:c5:32:cd:08:89:62:8f:50:7f:e2:72:3e:f1:b9:12:85:98:2b
Fingerprint (sha256): 8a:fb:0b:cc:70:d3:43:4b:d1:73:40:d5:b5:8c:c8:de:0c:bf:75:1f:89:28:de:9f:a2:9e:37:4c:be:30:28:47

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate www.fuamin.androsci.com

6

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.fuamin.androsci.com

Public Key Algorithm

RSA

Key Size

2048

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

cpcalendars.fuamin.org
cpcontacts.fuamin.org
fuamin.androsci.com
fuamin.org
www.fuamin.androsci.com
www.fuamin.org

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androsci.com

Certificate

The complete raw certificate details for www.fuamin.androsci.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoUlH/Pyt48CNTvhgNttT
RKR288nVNMVxoHWgvImZLWceqE2gNiliKld9j8+ylVO5hF9FsJUhC3vpvLf+ZWr4
brOh++Fj889psYZQUU6LrLZKaFGwQhjHenul2JiDATe+J3bZQecScejg5virnuxB
crqVoQjNxVg81JxgThCVwDnfnIfqVBfVNNsU0EUiGzIk6qebV7ivCY9HByMK45h8
HYmm04F5Bpay5BAKdJDadsAlvcXvQzDFVQ0GBo9kLv+jmhmLtNezCWUB924qQefS
ZYhQEazpt2RSMF9/QHMsZpl8ZR4rowbRbRb/ZS30FzYM21TSUfxoWe+nkWigkXeW
hQIDAQAB
-----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 317885785779656568632967525595336440279674
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-10 00:48:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-08 00:48:07 +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.fuamin.androsci.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 20360503408059174181341703046661846851245206129732865519384338294711282512648070685614171273536419668945751155863164972208701716524526304031607379180531755307677444315352732609637545993159987608659159948639197547766298501544563756631495958349481885182951426187799206134970645081190558047664418597911321653988447612507792289337118108455804151510007687969932484534161242063203852535740919857919110158364410117607325329041323865750277936294785051479806192302008291511756328984957011691425419077728739914739898887384648238230006112719327438224768374190653163870901745278242489365049485137119216803970328645129527153366661
 . . . . . . . . . . . . . . . . . . . . [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)
							45d0c9f5912166b8f72dd372c702201ed361f1c9
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (123 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcalendars.fuamin.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcontacts.fuamin.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'fuamin.androsci.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'fuamin.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.fuamin.androsci.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.fuamin.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e260bc3660000040300463044022041ccb7ddc00fb34111af826b5aedd39ba598d234b7418f1a16e88528535b6add02200bfc45b67bfa3eb2fd4821f4cec7cc32e11f2c001ad5c4bd90abb79b74c1473b007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018e260bc3670000040300473045022100979f8a01db648f599df0fdedbb5462c36d30d02938f61f461749d92843ec791402204a0ee69b2b99c84185c355348ebd20f131ed8f2095b8c8912cf3dd88976125f1
 . . . . [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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