printermd.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:aa:a9:ab:76:2c:04:c4:36:a3:7c:07:14:ae:95:33:5f:12 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): 03:aa:a9:ab:76:2c:04:c4:36:a3:7c:07:14:ae:95:33:5f:12
Serial Number (int): 319410389982702586495738821100244082843410
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 71:db:87:a4:e5:72:1a:43:bb:56:94:2a:32:d2:42:b6:41:c4:a3:46
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 7d:c5:71:f1:1d:ba:ac:6b:04:e4:a7:08:ef:bd:75:54:8e:51:99:09
Fingerprint (sha256): 1e:02:a3:4c:95:83:7c:bd:ce:f3:c2:3a:26:e9:3d:57:41:ca:d4:41:6d:db:1c:b9:f8:36:b2:3a:fe:c8:97:79

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 319410389982702586495738821100244082843410
 . . . . . . . . [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 2019-12-19 00:36:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-18 00:36:50 +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 715656531419044950392556894288964516457262219741173894057621624689425242585745372833949162541495984552607247865799692603238937890399205119998059997178111482581932400397169435233293875257750235309188444529986885967595633047145764755104373648848700984262507517383399062722736031491765294490445129814538125564279455533503229223266951420854812897530961884055309865685090157151494757700806590085417834080693696209868737578164943689833225689768321296040483927218701011380368168399719096781931113454933221452901492083998791812219309641755820582673456117640852439943529422442845963521012310436138016584381826685530375639234730508161277274786181710650020604782923833061599715177814568007635124547798503952311520940171878812879596685325488419419768969327101632396672797933066553298080634134185441765206102463242069537290918939120140269259220788746722707679880595487578876629054902141919715269961968764429120656575750150533696650222110634273500743752523741162642295338836175848696215845199131637862879132861835468915320804876565185890713153428303373679376001268883431010059295767917607940747584503782894875114659693705913405984141710871837010257045382834492843034665223327638930320304574808487423465323712572597509616063015047795651921949812113
 . . . . . . . . . . . . . . . . . . . . [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)
							71db87a4e5721a43bb56942a32d242b641c4a346
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f1bcce5370000040300473045022100b1937946417da452ad4edc4ad018e06f034d38df7ff33496e13b83f0d60ed38202206e5f25ce4cc24b80460ac0912d43433f648086cade519b242160b453011ca893007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f1bcce52c0000040300483046022100bbe2de9f8883ca085f3eb4f027268abf98e2e952e1b1666e6b53319007d375790221009d088b054903747139d957775cc597fe69c063b461975ea7256d8fb374af8f47
 . . . . [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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