b2b.tekxiph.com

Issued by R3

About this certificate

This digital certificate with serial number 04:92:6d:df:44:ab:f7:02:8b:3c:c0:d8:f9:77:da:ba:04:b8 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:
  • 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=b2b.tekxiph.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:92:6d:df:44:ab:f7:02:8b:3c:c0:d8:f9:77:da:ba:04:b8
Serial Number (int): 398276414424066326059915911877809929847992
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 60:4b:26:5d:ea:8a:db:bf:75:49:52:a0:73:41:1e:28:c6:55:91:f3
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 42:21:9e:62:4d:98:4d:2a:8e:0a:d2:94:23:08:f1:5e:90:87:d6:e4
Fingerprint (sha256): d6:65:c3:68:1a:36:b7:4c:39:77:49:54:e2:19:89:bd:38:63:1a:cf:5e:be:58:4f:0c:3d:8d:0e:7c:20:26:9c

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

Revocation information

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

Check the revocation status for certificate b2b.tekxiph.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for b2b.tekxiph.com

Public Key Algorithm

RSA

Key Size

2048

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

b2b.tekxiph.com

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Certificate

The complete raw certificate details for b2b.tekxiph.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAh0AqyVVktHSkqCNWLcYI
WpkuUZ0eDuUyOPgBdTG18WXp5wYSSmdn8sAYwpC7qf5IVAg4j7xTAqOBkMI5Ho9i
sTH5WhWDvMT/8udidFKc5F3NrlgZ1QZKhCPSQujs4JmLpfFYZ5AuDPeSXq4JeqnX
cOl9r1NDHP2/wyRUOAhdHThJxKkX9I4bmOAhNa+fMxVXyXzs2lBOI8sZxaaAKetg
PrnbxnKt248aBiDueB6OVXqvB49uElvqXuduH5iKLccxoRzlGIQMrMmDah6tp0bG
yWnF7hW58Jv/0G94qQrdmbW+MCQ9go/nzGIyn99knhhG00dM6gjFewRLy+pVA44m
UQIDAQAB
-----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 398276414424066326059915911877809929847992
 . . . . . . . . [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 2024-02-18 12:19:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-18 12:19:21 +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 'b2b.tekxiph.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 17073813163805595083039974468458107474471152650622966801330566071975653356671185345538231785512588986048199674912240693875637104045328315087147094567879738472721153502662593775708832039899975598425461252938311111295406155687072805652656678514374244875537388067457622801035358294773363842302511267588901098905053486449783866330109088991322056660977410428345683211984300386902048235266410491512802751480414212670839875164765428888839382807483387912926352291926924399750969884351199360540428273322927001944221145959654604141778818883788709949459806417857549701916123583912137033614959817572588238588187022174455916799569
 . . . . . . . . . . . . . . . . . . . . [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)
							604b265dea8adbbf754952a073411e28c65591f3
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'b2b.tekxiph.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 (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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018dbc5f0f290000040300483046022100dbda279991fde3b3f70d3f4fbc7a3006a890cdf851ded5b68a0324c523548950022100c1f32e78c91b18b7006d3a3cd649edcefcb871ba18e0bdb000376f34446cf9f100770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018dbc5f0fb80000040300483046022100baf392e1cf9e8c2aa6c8dff23a550055f931c31f2085064702edbdf56b6df11b0221008a00475145a53a9eba9271859098795e3df0b548995a058dda68a883edf5325e
 . . . . [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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