perfecttype.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:6a:8c:3d:9f:d5:ed:31:51:46:4c:ee:ed:e3:c2:7a:ef:41 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=perfecttype.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:6a:8c:3d:9f:d5:ed:31:51:46:4c:ee:ed:e3:c2:7a:ef:41
Serial Number (int): 297593200580270609078336502284590643867457
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4a:82:91:c2:c7:19:05:c7:98:38:ae:de:a2:d1:98:03:6b:a8:16:d3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4c:28:56:f3:51:0b:b7:28:d5:f4:d8:64:e3:ba:12:db:59:de:ef:cf
Fingerprint (sha256): a3:c9:fc:5c:5d:75:84:0e:21:b9:cf:f4:f0:c1:b6:04:04:d9:9d:41:60:96:14:10:fb:99:b1:09:d7:5b:0b:e0

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 perfecttype.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for perfecttype.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

perfecttype.com

Other certificates including the domain name perfecttype.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for perfecttype.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 297593200580270609078336502284590643867457
 . . . . . . . . [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 20:50:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-10 20:50:13 +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 'perfecttype.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 736947767589203418220148975990077976942990281812390470207818954586186106747341370093488072948451655506101491583541791887978957604015621722995413095163790628147955946563494527646172053324192618205132560395766455841624707768257229191741860441087014171510717222151701090347262952990095685283762668241420690612532933751316515051442182745284260550707055860402925053501691623863876539792498789700672249235553772643128552722768490555929300275837861557220333908932010369549561260477905142132304043026907216315677156803744277040510084154212766854897126337100647598932562293019756925755886364345723359688549341713876269631035702824301746502415207935024936800549123005963285365805320596785242438464349821237536823463165930276310573007450678918180644181222251152613583373644752684205370785809552108352994403206300324297774292727068599649188378761250314871197083820780675329761545215150224900027604046042257815972068836467271549449714346484053612402053429697008799566876645451908768260836548847072610376477930426738043360624669411065327051190098593764729249227881031232423197297822745455884417259276626345114358779740455343703960073837280610002916379170726651328060289496221500699245412969751120280243305803665352704502348114806757074887731744537
 . . . . . . . . . . . . . . . . . . . . [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)
							4a8291c2c71905c79838aedea2d198036ba816d3
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'perfecttype.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)
							00f2007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016ef6f0e8050000040300483046022100959d2b731d98a9935ec873f87f14e72c5ebe01dc09f00ba1fc1a263f6c6810bb022100aae519e0e9db42f22f11166ab12ec44c55d990579f6a9c1aade65350b40f59fb007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ef6f0e7fa0000040300483046022100daa64c2e4b2e4cb787340c61d76ad7186bb24600b30a1d0a411d8a78ee4bcc28022100ca5fd1817e5e89ae249985954bf85b4ab99626b52839414d686ea2fc0bbeb0fe
 . . . . [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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