*.link.sqr.co

Issued by R3

About this certificate

This digital certificate with serial number 04:53:74:7f:ce:57:19:2e:a5:ce:ed:b8:07:a1:ab:74:eb:9a was issued on by Let's Encrypt.

With 7 subject alternative names this certificate can be used to secure multiple fqdn's. 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=*.link.sqr.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:53:74:7f:ce:57:19:2e:a5:ce:ed:b8:07:a1:ab:74:eb:9a
Serial Number (int): 376847434235767985228147324424675264883610
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 22:5f:87:06:62:c6:f3:08:58:3e:93:6a:6f:39:8f:85:ce:1f:bc:8b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 34:8f:00:82:6a:54:70:9d:57:86:b8:00:d2:ca:78:25:28:a1:e8:81
Fingerprint (sha256): c9:b7:01:c9:37:ab:03:78:5d:f5:6e:60:5a:dc:6f:8e:90:f0:c5:e3:08:a9:f4:94:15:b5:bc:2b:b7:fa:e0:d8

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

Revocation information

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

Check the revocation status for certificate *.link.sqr.co

7

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.link.sqr.co

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

*.link.sqr.co
*.seech.uk.sqr.co
seech.uk
seech.uk.sqr.co
sqrurl.link
www.sqrurl.link
www.sqrurl.link.sqr.co

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qrcodecreate.org
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www.wa.tui.nl.sqr.co
go.encalm.com
*.ly.sqr.co
*.com.sqr.co
webmail.qurl.it
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*.us.sqr.co
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seech.uk
server1.sqr.co
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mts.sh
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webmail.aurl.it
www.nul.fyi.sqr.co
applocal.co.uk
qr.schoolisting.net
www.link.b1020.at.sqr.co
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*.link.sqr.co
qr.crazy-lot.us.sqr.co
go.centralstate.link
*.cards.sqr.co
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qr.homecareconsultancy.com.sqr.co
menu.loclweb.com
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socialprooftools.com

Certificate

The complete raw certificate details for *.link.sqr.co in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA53+A4MWihkuQjkuNNcZC
jsTWS4Pdo5Yxh/wffGb47JP8ymxYGNTgPQmcBodKERfkWAvgLefEfss5bblHNt1+
L27IPIl+/NqK9GR4hkyM9J/uSdI9teegVY8OuPXiOz3nlzar+RfjCT/Yn52kJzM2
CCzF9z0pZpVkVpT8SmTAbl/cq6/83/sWz3KtBT8nMJ0BzSPvNk/zwO1rWNPIhRxT
tm4VirPajwsH0WSNA5bxLAYpMKxfAFTy1R6++yA02F3IGA9LIndDFZ+6wakaS17U
v83g6Ai7hDfJPTgaPGYMFaNQO8Uael8DgkLyBemCTeJWXYHdyeDRHahBWtS378mC
GwIDAQAB
-----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 376847434235767985228147324424675264883610
 . . . . . . . . [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 2023-12-04 09:19:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-03 09:19:44 +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:12|false] UTF8String '*.link.sqr.co'
 . . . . . . . . [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 29223922731725305590466454186102586768680078794699803400872593164122719667613667620746954289323011647123030803285379655882567451573809155638371470654433476304957406575187228345919232691521400922486023056995772871970460492765632653416829838552669751877492246942511020403677678759530145711149088367462434494651211627845026548273695991295462559402644015203482004068997318047024455379353694564459274293922458131540777581611428650942992230072700599805574610662446953177699829401005025886991436142918390076689508621807421236756181432095883675886487053279701656344440353480678332415585522570170382824532299616864496987505179
 . . . . . . . . . . . . . . . . . . . . [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)
							225f870662c6f308583e936a6f398f85ce1fbc8b
 . . . . . . . . . . . . . . . . [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 (117 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.link.sqr.co'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.seech.uk.sqr.co'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'seech.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'seech.uk.sqr.co'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sqrurl.link'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sqrurl.link'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sqrurl.link.sqr.co'
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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