contact.xrex.io

Issued by R3

About this certificate

This digital certificate with serial number 04:25:20:3d:cb:a9:5f:0d:5b:b7:8a:9c:23:7f:2a:7f:6f:d3 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=contact.xrex.io

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:25:20:3d:cb:a9:5f:0d:5b:b7:8a:9c:23:7f:2a:7f:6f:d3
Serial Number (int): 361082447459837323898348264561349433978835
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 7d:3c:41:b8:bb:69:8c:cc:d5:bc:49:2a:fc:e8:24:8c:56:6d:51:03
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e2:b1:ac:0c:4d:10:7f:91:67:e4:4b:a8:2e:ad:ad:ab:3b:e2:92:47
Fingerprint (sha256): 0d:a2:96:cb:56:34:3e:d8:f6:0a:6a:0a:ff:c1:a5:d0:4e:b7:b0:e6:b9:97:e4:b4:88:ad:48:74:a1:e9:09:e9

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

Revocation information

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

Check the revocation status for certificate contact.xrex.io

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for contact.xrex.io

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

contact.xrex.io

Other certificates including the domain name xrex.io

(limited to 100 certificates)

Certificate

The complete raw certificate details for contact.xrex.io in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyrnCbDGm/cKiSNCDJIct
yAdPppEb3X7fs2OOSQcAg+1CnWp+EZzzAwQ//k/qP+QjQkY4qzsYKa1QXSQK6C4j
WmTCICqGRvMjfS9vdd9p/3lCBkklKTdbpLpDqJe+6qwU7ircPTPNgYeG9O0rswbD
ta+IVOnWxrGCbyJb/9vJuYOzqWGoEOKdL9Rm5rnV5m9kxgHqqzDYbR+Yc9Gr+RwR
fU/stO06igH858kYO2wPKE+nLrcsWgXlPoZlZFk9ZQ2g3eFWFiXGcAFwVAPOXgya
grxuNJ6Pb/PFG1BzF3RSTdM1HAbY0acSg6sBWWoLZ9THSK5Oj6ppLo+F+jdLH0mq
ywIDAQAB
-----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 361082447459837323898348264561349433978835
 . . . . . . . . [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 2023-12-27 14:02:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-26 14:02:15 +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 'contact.xrex.io'
 . . . . . . . . [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 25591739008581819392216933342926313289702369433500368107707009212085198709491651654886158736928585032443278007049160976978188533881259975085009876942787736096539704119083577694533572664488370261877345304210896967053759843963491545404697783696902695624787516402729683516995529401333515843069974350795934804380892661893818358397926391586002412058224769203744218839991769182833380273216270800133193689091212939467106963840855210584625139614205079290478757537502534603435109557299494624516273948004202570297018677096111359531107326562922789909831601346035587078477787202649788709599454610790108814241080788767664107006667
 . . . . . . . . . . . . . . . . . . . . [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)
							7d3c41b8bb698cccd5bc492afce8248c566d5103
 . . . . . . . . . . . . . . . . [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 'contact.xrex.io'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018cabcc39030000040300473045022100ffcdea34309fa7895f9897f19f5488c26be53a30a3eb1a8bccb0ad9b6f0c3db2022007baddfe73b5b87efd6610bb533beac2547fe7c274a4d63baf3a7b031c388b8c00760029d03a1bb674aa711cd3035b6557c14f8aa78b4fe8389449eca453f944bd24680000018cabcc39c30000040300473045022100be50fa330c0ff48fec3e46df16b112a749cd330831f7694b4c4a5a154f71451a0220465e1519b261a7d96f99d462ee94a58852c7e316dac2c13f1489b032ea4a4bd1
 . . . . [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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