blackfriars.net

Issued by R3

About this certificate

This digital certificate with serial number 04:43:91:4e:06:11:2a:c2:be:23:7d:d3:47:c7:02:de:1d:94 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=blackfriars.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:43:91:4e:06:11:2a:c2:be:23:7d:d3:47:c7:02:de:1d:94
Serial Number (int): 371441205492342212341246126581440860528020
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 64:1c:2f:43:5e:23:a1:ba:16:f0:20:cb:f8:8e:0a:b5:49:e8:3e:97
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): aa:ec:67:9a:59:33:56:0d:09:17:07:c8:47:72:3e:12:fd:e2:6c:8b
Fingerprint (sha256): 77:46:d7:de:9a:50:1c:29:6e:60:4b:db:24:3d:34:61:3d:f0:e5:85:0e:1c:16:cb:fe:50:be:95:36:1b:7f:e6

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate blackfriars.net

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for blackfriars.net

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

blackfriars.net
www.blackfriars.net

Other certificates including the domain name blackfriars.net

(limited to 100 certificates)
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blackfriars.net
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missoula.menu
amymccarthy.com
www.corticosteroids.net
blackfriars.net
woodlawn.city
blackfriars.net
limi-t21.net
blackfriars.net

Certificate

The complete raw certificate details for blackfriars.net 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 371441205492342212341246126581440860528020
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-21 17:42:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-19 17:42:41 +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 'blackfriars.net'
 . . . . . . . . [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 807778878350699509927809147946325198412465502537230008026288278066912121927951260643177565930445442802652417480731937649547316826009544597018934247485774340742676336157568677573515008555692011137055384961186928187196743926359323487915887700234514219840994852820434714209621254953155940692255283402735987337528715897286631694981210255342749560796727599200803312872584304112083037020487385120258655372388334096904782822312916940189479190251107092997112165990921406237100170275446353875367146513308924135914394255381431298479339998772255115258369054490891779056014505264244210702432591283208491018355533739406451237353380157442248447167783059590729056526386322481175383054933958691349957588110538015182661524114917088517959864142234946384361463448292311242190696193542756300225689196618860125618347146566579096923166137646822353869398947315316407224969779548035650187377608060988887246035107450003308600602422799449442207507423860297790341072564081280860379092540370386101092176631307924864075907662794922743710961830565453056257070050280342571548205282264272398209014452706771513012862496244208704891542236628302123332043684946037863168694324825574231911230465895455571024569522330869237121942862725409029943070345390005985418224804003
 . . . . . . . . . . . . . . . . . . . . [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)
							641c2f435e23a1ba16f020cbf88e0ab549e83e97
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blackfriars.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.blackfriars.net'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018f9c7680d20000040300483046022100bf4c73c5bd918b6a523a8c3a379938eb0765defdb933aa02935d4b80861ae8a4022100c301830c8d148a9f4c8cc84dca76f2f8eef146457a6d104f93d33a39b6271356007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018f9c7680d400000403004730450221009029ded11937c43116c2adb864d63e35689742e859a8d8a9cfdc0b461cebe48e022009f337251ff0e5d6be6b77239450dff95da105be915bba503a05032b5dd4c309
 . . . . [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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