www.printermd.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1f:40:b5:c5:0d:35:76:7f:6d:30:da:23:3b:35:0b:2b:58 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): 03:1f:40:b5:c5:0d:35:76:7f:6d:30:da:23:3b:35:0b:2b:58
Serial Number (int): 271971625563972665719489433324161161964376
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 80:85:1d:50:92:bd:2e:8a:16:55:f5:78:3c:da:84:54:2f:3a:44:a0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 86:60:d2:6c:17:44:24:f5:1b:22:46:a8:79:67:f0:de:c5:b3:ef:64
Fingerprint (sha256): 31:10:94:c8:51:e1:97:45:93:ca:4c:c1:e5:2f:ac:71:03:38:38:e7:bf:31:23:2e:0f:25:27:1d:90:ad:ab:8f

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 271971625563972665719489433324161161964376
 . . . . . . . . [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 2020-02-18 06:38:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-18 06:38:12 +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 830775083255719249556602594447480660917711576329805261735806581949665208242855029863120979062355081068440681974658616338605935277117658886025504621683983638381678073836648443603221798326164997041085783961219946324485829990997619304120911662837579106364043003281197377592371329394910643847895314877188082232752635359162289174962827166124808551569898170676513664191657334991544528863112411303360200922530798033446087682159068435228604394574115659535171780712714981704821559450543908643923715376516618399126550776783665664845969047043665570331035630225209627398154260245014866174497782497389750892940907713203978826666735856991836459307799170903180578198935289069122787832843457111353242681628088139215973259369493372253607071760558799891782478067222982310926077520517501555883304518305979338841184531053483725574091763449411886965724591888174402394288137244424520333510770745895163994466312908064841173927294838003723814161729770514721846735803856689874976342259419910994669209985813078217514902482505194765435721182513160855944938926607178666095489209201103235528315153225078336249594002845505445055791518438183732664963597563030207126437620638983356634414525108108248275242207225988443025810584036474405837833772429920247339585604419
 . . . . . . . . . . . . . . . . . . . . [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)
							80851d5092bd2e8a1655f5783cda84542f3a44a0
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e00000170573ba9720000040300483046022100f4bc79ea6f5d8020e12f223a618157d8b2762af4557bed2c322432864c1252a5022100b7da83e7450279aa110c7e24bdd66b88217a48fb4002ffbf89b03f49fbf2153a007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170573ba96a00000403004830460221009f546cc14325d429952bf8b1968c114eb0f1e4328b597b374294f348345d6951022100ee158fb96f25f26e69a20f512464392dec877b201cb7045767e50ebedc7514b0
 . . . . [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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