www.45084.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:64:4f:26:6a:d9:a2:4c:32:a7:cb:be:9e:ff:4b:23:97:d4 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.45084.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:64:4f:26:6a:d9:a2:4c:32:a7:cb:be:9e:ff:4b:23:97:d4
Serial Number (int): 295470302973500376905457830727002175543252
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 6b:71:5c:ff:99:0a:5d:49:19:33:51:58:89:d4:78:93:6b:b2:d5:aa
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 81:8f:c6:da:d1:43:58:f6:b5:64:cf:a8:3e:ad:39:aa:45:83:d2:69
Fingerprint (sha256): 44:a9:7e:d4:e7:99:d8:39:00:18:51:9b:89:dd:3c:60:96:b2:c5:66:1f:ec:81:0a:ce:91:48:c0:f8:5c:5b:2c

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.45084.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.45084.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

www.45084.com

Other certificates including the domain name 45084.com

(limited to 100 certificates)
8118.life
47503.com
www.45084.com
45084.com
www.45084.com
45084.com
www.44091.com
schleifenfabrik.com
45084.com
bedfordshirerealestate.co.uk
683.me
www.45084.com
45084.com
45084.com
www.45084.com
www.45084.com
www.45084.com

Certificate

The complete raw certificate details for www.45084.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 295470302973500376905457830727002175543252
 . . . . . . . . [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 23:19:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-04 23:19:39 +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.45084.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 736453178415279536688313195544225309664693615120791109821921904373234237122149780121688113913487364721780614632588960673674710266544506152075854028301067463618919342107950202042557818145541885369118059981931308504069890607752894587625106679488952525298433921642560084111986615212969107775370806525230513744382080896998229240452341912809720162777717568503612515930786043395200846114878159575850579782496406889283111593949629329996680813918464960814119930621721478882490010174413347577474172022447319311755496939202700257963884544056982411868160418159114334931727584719410227468983945778416468547079283970933201566252903595927265391687074186497048394543847608169074349788633560912439981403122082367774642095157027818994829827273213694128599301652028930014128094566318025748522885188628626131604325495837636431702756004006351521643186511976254969199679701381733827008201194737968389889233405771449161169046396917608720033406590439596592782647622012820077170986424409438422288469829706939422442894762833818871859760244067842810936539536430828722170835460020202120403082195374537286295686839017161738884542985354430414898066940915952604050270022317348452361591438183317805442753188912162778631156696470625035152872337651376991623237546171
 . . . . . . . . . . . . . . . . . . . . [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)
							6b715cff990a5d491933515889d478936bb2d5aa
 . . . . . . . . . . . . . . . . [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 'www.45084.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017012b77d1700000403004730450220724794ad80b20984caddaf04afa267f4b0cee82484671c073dd305ae24e534bf0221009d6bff4093bdb48df094fde732c992745e0fc139cbf88988252999d5b08863a30075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000017012b77da1000004030046304402205e5a33f588dd9082fab2de9d5fda01105805956731d31e39e73635c9ff8d82c002203d3a53d7340131cd6437f45a5924c0a77582c8bb79f3253678d237290c950a7d
 . . . . [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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