www.tightleaf.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1b:c9:11:7f:5f:15:e7:c1:dd:87:b0:e1:61:ba:4b:c0:08 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.tightleaf.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1b:c9:11:7f:5f:15:e7:c1:dd:87:b0:e1:61:ba:4b:c0:08
Serial Number (int): 270791747381744916101097237481012052344840
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c3:be:72:17:71:70:8d:c4:3d:ed:22:7e:c1:d8:5a:38:15:1e:b6:c2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 17:61:95:22:69:e3:1e:4f:69:e0:63:85:f0:47:fb:a1:3c:40:64:40
Fingerprint (sha256): e3:55:d2:e5:8f:36:fd:97:77:9d:05:e3:a3:ef:09:c5:6a:37:5b:b3:36:e5:7e:63:d7:1c:6d:0a:24:f3:77:e5

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.tightleaf.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.tightleaf.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.tightleaf.com

Other certificates including the domain name tightleaf.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.tightleaf.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 270791747381744916101097237481012052344840
 . . . . . . . . [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 2020-03-16 08:37:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-14 08:37:10 +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.tightleaf.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 747053652777399701290344334938636697175223715797004766301054784137706311505837171535326538693964079599939866014149469392424334668840865855305290860550314241096973146329315179683186092559319174088313732675319691247451017838381764106812854532780668799610456930692846448852170836612902971415378975350983924994340633617753122458077315591864322799002067731027373894308590168091517170272596949433875526505342562772143085765375224297309043279593907070404945668877895304556384989369308941719242147273645198121541146079293625279195355771678560855924851589887348598037234115633228920643917352266490766698841393312943160783337298636921660118243300565196189162501305486317434548311713122114560620400479214227836805248510912690741274351707992350375482508291823608373865998441446487987363704357644202901980610252354988924172811456424975980487437978178031257027745732067910251618756747221280708767190762810673719728721730675060650974089161966857493694135133080707483625844392093675426901158065690064192271207942545091347992653097612827566347221403539492911893720901140798985717542535795874333637965853856528434950250505478061191151006382019540251531975651021669801162848363164229581241380974598044390442845623996761038566467578923813678172340203813
 . . . . . . . . . . . . . . . . . . . . [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)
							c3be721771708dc43ded227ec1d85a38151eb6c2
 . . . . . . . . . . . . . . . . [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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tightleaf.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)
							00f000750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170e2b4493000000403004630440220342f4c372b4025bf008d102937e259f93958b869ad4a58731620ab1d3b740f2102206205628cf37eafea3be2f30cf6c111864a52eb2f3d9de25f41b33c74bdd5a929007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb27300000170e2b44af50000040300483046022100a25747a67bb41f0b8c453acda6426d1856a4a44835be37e19e5e0872a187101c022100b98c17528a5f94b968b1405820b3f4cd725d79ee6fb520cea291749a1847d336
 . . . . [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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