www.printermd.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:a3:60:c8:e9:32:75:e4:2c:93:0e:d9:f4:f0:7e:27:28:ec 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.printermd.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:a3:60:c8:e9:32:75:e4:2c:93:0e:d9:f4:f0:7e:27:28:ec
Serial Number (int): 404043818611920346388635392547240920164588
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 5d:6c:28:bc:63:bc:e5:90:85:81:f4:fb:a2:be:34:47:62:ba:60:e2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b2:9a:8c:1d:83:ef:3a:d7:dd:cc:3e:3a:71:96:f8:51:bf:c5:68:cb
Fingerprint (sha256): 96:e2:33:3a:d9:d5:c7:58:bf:7a:83:dc:d8:ee:42:5c:b0:76:06:91:85:96:4c:e2:6f:d4:59:14:cb:2b:64:ca

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.printermd.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.printermd.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.printermd.com

Other certificates including the domain name printermd.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.printermd.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 404043818611920346388635392547240920164588
 . . . . . . . . [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 2019-12-11 03:21:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-10 03:21:32 +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.printermd.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 917626563627020718464517308176033134907922177803380324609245991554127639819092956135907670299466468687309420249902103363034065218398181894737305641604768134289317534036499352562638887145019710054950112584556599001023961376819712017407951993466590090825842361275902164757816673093403260018104303222021879120429205158268335642331966806292909658746121129351320836037693234261958244458367272887620725094659582663081674800703914490617903665737797405907436180898739129599954984444380929741548485083865056477252782455400601200573407167497572403003716767215527347527184829755933833915858156832707371132906726296323568865404841316465367011916128450159859537059924773165717987794896029669784604525799596080867461643742853651939041776198196542123854226526208281392980212474842032251259743997177792248869635150282733559452626738989815812714400196501903079155515951518438226809569718762564297574550190720955361026754582147966101013888260125446677509563535047993968879812969812703555447800622731026385441131634242274627876138018086683631850501287350952511702087959015422950214511940829183828047959817339179961360808058042300692708578251191605191095838598855396444416814348846876198909635280597560820009301344396301900738002354232887880022941229299
 . . . . . . . . . . . . . . . . . . . . [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)
							5d6c28bc63bce5908581f4fba2be344762ba60e2
 . . . . . . . . . . . . . . . . [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.printermd.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)
							00f00076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ef330cee30000040300473045022016f240c4d942fea821f92cdb0ab758af1a1bb1471d64ac57f159a5c6f794d1620221009cacd5ebe5f365c83889e8be709fc5322b2d12e29158b8b984f2376f76c015bf00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ef330cedd0000040300473045022100cf4f61a67a36370bf0fdead6e28ded24e262ea6d0cc93f2a994e72c28b165a0602203c5274bbcc7629422dcfb5819a0ff1f9cf027979acd6b41262d99d67c50adfe2
 . . . . [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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