printermd.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:28:e6:04:7a:a7:80:37:ba:9d:27:19:66:93:cf:a9:be:1e 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=printermd.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:28:e6:04:7a:a7:80:37:ba:9d:27:19:66:93:cf:a9:be:1e
Serial Number (int): 362366184099821246153931241155492387077662
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ae:17:e5:71:d2:52:af:ac:dd:fb:6e:c7:f5:74:09:bd:2e:e0:81:b9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e9:91:46:1b:9e:f9:c6:68:04:ba:05:12:5d:84:73:46:3f:c4:ab:61
Fingerprint (sha256): 64:c0:80:8b:54:c8:6c:6a:ec:4e:fe:7d:18:36:2b:8f:de:91:f0:29:be:3d:db:39:e4:1f:eb:9b:c3:e6:1b:27

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 printermd.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 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

printermd.com

Other certificates including the domain name printermd.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for 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 362366184099821246153931241155492387077662
 . . . . . . . . [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 2019-10-12 03:46:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 03:46:59 +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 '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 867717585930851976726700635055492929901277718521330442833944478658710122034409031436425952714152613965001107191117270368314320126179679011043269063489280313978100133204187075489179923648981614589644419637384227247837414117342634643200220621059723073326245246874280213150106757101732798733022624931164591102042029636647389555652088071357023901135675351535682625169513892328073166299815833245689317640156099240157245272277041515848977996914528240426228953134661351922646535241959155033282415184475157132978620652498778700242120533396962764183918159991326571000641309655318232677523826387908734947034632224702766761236321926541514649493037842016259322074874053333560029689533506408534797519035539239993260290362231376548389629678472448494485280455573844831329863376665882463619673499171925734663231662065999902412255618835170005779945255562356843409178445984663731382608139641010956001392722708546154867393168435342202949985776038057459077054683065358736476065006719006875514307211841810974681498189246194747772114470755535491829488897643592289100795481597447079104873967218072074041542943300382121259960709413374326186618873890784953448147733142532224916130630189161101885642764304310599742662699946489718519479150126419697777862716581
 . . . . . . . . . . . . . . . . . . . . [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)
							ae17e571d252afacddfb6ec7f57409bd2ee081b9
 . . . . . . . . . . . . . . . . [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 '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)
							00f0007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dbe4a8a5100000403004830460221008f7003f2e9ed267a56ee49aa38690f4d44f30ac01ecf4401f3b99a12edde9718022100aec05f94eaeb86a2d6b04579d569aa9a931df0f02eccfe95349452f120aaf9430075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dbe4a8cc1000004030046304402200d5586f85046ab979ff9e852b082728c4b422edc3a1a2fd1142c61bf3a8833da0220754ab9d8e626247090131a8478614226ef6f69adab4a4a944d5af6ee456707e2
 . . . . [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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