techlinkfordummies.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:0c:1c:11:0e:59:ae:01:6e:9e:9a:bb:52:81:c7:4a:30:d5 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=techlinkfordummies.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:0c:1c:11:0e:59:ae:01:6e:9e:9a:bb:52:81:c7:4a:30:d5
Serial Number (int): 352569839074079713922480778828438445895893
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: cc:d9:7b:1b:bb:fa:c6:8d:1e:f6:75:1e:77:60:04:4a:28:34:b6:45
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 42:94:63:2c:8d:f5:82:0a:56:57:c4:5d:19:62:3d:17:96:43:f9:f6
Fingerprint (sha256): d5:1e:c0:9d:f0:dd:3b:f0:51:5a:d5:53:08:72:13:e2:c0:b5:57:66:fe:25:a6:8b:16:97:c5:cc:ac:72:63:6a

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 techlinkfordummies.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for techlinkfordummies.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

techlinkfordummies.com

Other certificates including the domain name techlinkfordummies.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for techlinkfordummies.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 352569839074079713922480778828438445895893
 . . . . . . . . [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 2020-02-06 08:37:54 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-06 08:37:54 +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 'techlinkfordummies.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 619178409711555624957900682454087965019162965600071507553291374364935074186930193694968113029884106747602242388520297813209538653498162621517848760596539913797475066072613261252951041419786445231263140679773806349028316870540533887076338452667309370654499363792360813830896352663817807426431115830316965034475336923724856844206785613505619974777381867920457317893876270093947912976979151158944980256358411532138638632618195182400908441782320922874541560932922094929347826293349315386531782382522551934383720250455986076947185595994353880852176612802304155148117831945531636614327628776758481389536346658501066827862504277691690974411938485864706769390843125673791291272900750355790586687435546533109099058618807428327318999132598455958141420802006188333571955538601887545167258718919637395208673468128775085420929129519390296594670884915925386276256131730354742912229484163789137494519210578642251240283291012069718006101792240230422185595148152093663345658056157709489891124333829539643859465866202575397768434659237665498158498641079704499760934887256617937918978361302845200198366634807504673963958877356154850861632768950628129451022194498520898883181928244719069211465539330857051436321158523994530767863264082454036966721317321
 . . . . . . . . . . . . . . . . . . . . [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)
							ccd97b1bbbfac68d1ef6751e7760044a2834b645
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'techlinkfordummies.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)
							00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000017019dcf0b90000040300473045022077227f41b9ede039f10936fc3a5f20fcccd4924c90aa9c51bfea258dbcf9476b022100e20125d9741507e348abc6afda371c2af255feddde579230251dd1245d930c60007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017019dcf0b20000040300473045022100cf62d0363ed869d0643f958b53f8848665270b7046a6983dc70237d6be8cde6302207b5afcdb3f9a3527e34a987bf7d10365e0d6df3c8f91561e87261c5e3c1deb89
 . . . . [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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