89621.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:54:61:45:60:96:5d:96:4b:cc:b1:95:12:a3:25:7e:76:c0 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=89621.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:54:61:45:60:96:5d:96:4b:cc:b1:95:12:a3:25:7e:76:c0
Serial Number (int): 290049871959738456744012960205364053046976
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 87:56:7f:59:01:4b:a0:a1:64:2e:96:53:c7:4c:d5:ab:44:34:26:0d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 42:04:1f:f6:5d:07:94:3b:74:b0:9e:29:ef:64:75:3d:08:b5:06:c9
Fingerprint (sha256): 82:18:7a:ff:98:76:4f:36:9b:2c:fa:d7:c7:d5:e9:e2:8e:b6:2d:bb:0e:9a:50:79:d9:44:50:a6:96:af:e7:62

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 89621.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 89621.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

89621.com

Other certificates including the domain name 89621.com

(limited to 100 certificates)
www.89621.com
calif.world
www.89621.com
89621.com
89621.com
89642.com
89621.com
89621.com
psicologi.org
www.89621.com
convertiblesuperstore.com
89621.com
www.89490.com
www.89621.com
948.me
69462.com
89621.com
www.89621.com

Certificate

The complete raw certificate details for 89621.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAn3L9tYzdcY4vSS7PtFDO
t/FcHyureOCqiwiCNDJqxjImHHPCDuRf2S7jdz4z1jsXTDoVzySRLP2VXBKALdvU
ixW3AGnqqgwKor76qPP1qdOBGIdclZUesaCgaDkL906X4JnWYOqY0KCjE+GEqkes
edGfSV7d/NzesZMxQU6M0YSMznHDmqlGHal58joISfRWCr4NFKPzftilVZHqXqkU
dKNUg2VI2L/L2/d+XaSHxroiNrOq75GtwNS6OcWfglYMxZThR21Dt7zjn3PNo5mL
+HqQFpMegFSx/6hYsK2gXSM9JZTlV++PCFTkXI76hm2V3+CoCPCNC8gexuxl4vfr
nNhJu62nzwfZDMIZIT1tH3+9455vJCJHY3qfLYe/fn0oFf54d1msAmRW3lwrNQc5
Jgslfko+5nZOuyXSMs0bnGxFEhDylQzOEpaaM7KRBuh+8dlzCHh7hKX4rjr57lUD
2BS/bV8izkS66yOx7loSKdtp2edMGvZGuF341T0B7UJKNzivQHeOh9AAbLzt6hdi
hJGLYHrc31nPOJeRsk+klwvWigqFTYAzJXs1YvmnqWbCRy4RzMus2G188BGe5p6y
OJv2cM38obcZqlypsGt9+3xZKI22Nafc1HUo6lqQBVuqL9yczlnO5K925+X3efgg
QZ3iXzScWTJ0zRra2Z9lT/0CAwEAAQ==
-----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 290049871959738456744012960205364053046976
 . . . . . . . . [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 2020-02-04 23:23:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-04 23:23:13 +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 '89621.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 650495916819397285879007280291375235304696005568959561962364639562896913753230460929355319809675217445521090406130348990930313753426382599510169486410447057871402325874435523419088466874938900503226840127220533851256832990874978844789923661127530775119014817371149881663646373140001117286427581499728929349813422479996525494491542736625491231969501627223925348858915272981769996168423918500861541267368509576995612322031202561050612140713761157192286778887905222129686848099083413928996663028048396856546124366243632423299437784536532249326033669108321862769166538879413691024453650540488145461606353358759278289508001982318093107504725926296706337926033748536500497396411430967149525417867528931180299163779343954768933054289346477020880625733060818439167599595579320569812874167516113125526305101201382443021792120058635376504312192184249075377873295107452675499256909058572252612293817374760322993962332558521626163832919924587907973950174068002300918528261368634111145385240615078469679474418759812154844447278130441092686054928436568723853670079599239166294724569603291611874092470549522243034691574071302098517481373739296616878792939071304809572128354072558060984588649170687912308789246085389919671198285888413620364844027901
 . . . . . . . . . . . . . . . . . . . . [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)
							87567f59014ba0a1642e9653c74cd5ab4434260d
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '89621.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)
							00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000017012babdcb0000040300473045022100a2af1a308fe1d8a0085a65eb9647dfd652b725a229110a9aab8b22395522eae002204cd805ad979d0576ecc91a104807c396236e3a742007d1bb6b8e8e23e220bd5f00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017012babdf20000040300473045022100f23ef8b7c2dd4fba57a6c22e5489da9ed4a0cb5d7be56b8fca000adf01ea706c0220376239c51806525915c3d90d3a4eac2bddc7f607ff0ba2eea2742f9c16bfcb0e
 . . . . [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)
		005d3eeff017b259b0cbfea0a1805eb65f2c8d396370525a3dc8de41d2539b6dc5f69ba1c6cba353013fbcc57b688fe364e399eab56d71b147361b7e625f4be9e2ac0db0087bfe68de00eecc598c2546e4d634e1a3f78d064e81b38b4761ad7cbdd27193ad1cb1d07d5c6c6fad4f9396375842be06dbdddf8e7f72e75f1af5b953ee73edb28a6419f3ad9657e617147b562a1bb504069f49598e819eaeb5b67072305980cc2b8c60c8f40c94236d176f236970b9782543bdb6313421ccaf1e8dc6dc9c1e3e4c4e067d17c87cf1d1c0ffc3586ee6dbacf8dc52b194672a7ea05c1c7499b1b42e3e2c4ec41de4e3b5a940d6b896a54f211700be413c55103062dc1e