www.buildlandingpage.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:5d:86:61:98:72:96:24:49:04:32:e7:59:91:a2:a8:c7:a1 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.buildlandingpage.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:5d:86:61:98:72:96:24:49:04:32:e7:59:91:a2:a8:c7:a1
Serial Number (int): 380274027146923457193131469142794294577057
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 66:a8:59:e5:7f:7e:66:75:97:55:5f:82:10:66:81:fe:49:cd:aa:34
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a3:85:64:b5:53:f0:6d:c4:36:3d:50:4d:d8:3a:dc:0d:89:dc:42:b0
Fingerprint (sha256): 94:94:36:7b:7e:bb:13:f0:7a:66:63:37:60:d3:d6:82:d4:d2:c8:46:70:24:09:d4:2f:f4:3a:52:8d:ce:92:51

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.buildlandingpage.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.buildlandingpage.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.buildlandingpage.com

Other certificates including the domain name buildlandingpage.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.buildlandingpage.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 380274027146923457193131469142794294577057
 . . . . . . . . [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 2020-02-07 08:30:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-07 08:30:18 +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.buildlandingpage.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 725279791765351798773459456786622173654592485163947249949129411377535906967585208721257689424705553453018584002245946104562399710394471786560572732789485956334486707864818521852932097236353521037859376205642349486722559481978872888840383061669921823560926636241700825077739965879680983459001076781001064872913626553332015787093535921603259671958957852940424591603161046501069088037605984458664577857106836588991362090227774903623341871838723153202039264690784909972423392011940719994607637083796138006882458321518720554266296152251712386428866978448626152724950304241165277856768172737246538514001690452993398449217888268492332378220599899354068198801981783933325540077760570444946512700742453992534448324062561199644903146049831829639372981624018649696594036121306621962175084532764796195620157227901381240520393014021717409750255502603277399953830681487637229285298324240653415314878202367444768570419722479645936735246307457582112902276892172431559346142814833450665139861545601043865334520716606856073939833950340572260261106582417981499593016347207095555168961809064843908518986262955859807821342317081875943102248688647962375837430111992773273365838833753958399691502944333833930709977218374875059829492728738713866563620313619
 . . . . . . . . . . . . . . . . . . . . [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)
							66a859e57f7e667597555f82106681fe49cdaa34
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.buildlandingpage.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)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001701efc57f2000004030047304502204a5ae4ecb3f843e58b2da459972ef355ce24a42c0cdf89e0d2ba2cbfb1d2ae2f022100ea94402cb05aa45cfab13bfdfbcdb8441ed41db20f09754f9ddc9cfcd52acec300760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001701efc582200000403004730450220470d7715fc51d1d92b49d5b01fbd30a68864bca662ee5776442e78cbdc35c86d022100ed837d799d745cc9b4d9f2da637a469d0a4be67b44daa72b9b4b59416565c57d
 . . . . [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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