*.katam.se

Issued by R3

About this certificate

This digital certificate with serial number 03:ea:de:25:90:dc:ff:bc:80:16:12:60:57:f6:13:13:8a:44 was issued on by Let's Encrypt.

With 2 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=*.katam.se

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ea:de:25:90:dc:ff:bc:80:16:12:60:57:f6:13:13:8a:44
Serial Number (int): 341258215323004682742115545636112721742404
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 26:ef:55:01:d0:3f:ae:88:20:84:42:d1:d3:18:c9:41:ab:03:f2:6c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 2a:25:4f:50:4d:e2:a6:5a:af:38:2e:2e:28:91:5f:ab:d4:cf:1c:d5
Fingerprint (sha256): 8e:38:d5:62:c3:cf:7a:c3:e3:6e:73:e1:b8:f8:88:b7:70:d6:69:b0:d4:1b:33:53:02:fb:62:d2:f5:58:62:f8

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

Revocation information

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

Check the revocation status for certificate *.katam.se

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.katam.se

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

*.katam.se
katam.se

Other certificates including the domain name katam.se

(limited to 100 certificates)

Certificate

The complete raw certificate details for *.katam.se 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 341258215323004682742115545636112721742404
 . . . . . . . . [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 2023-06-09 17:36:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-07 17:36:09 +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 '*.katam.se'
 . . . . . . . . [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 808070634891712374281042338295492525106222981288472036190488497747461057911425238878171428639087407488941591070496450528697578744834057368195664773397942219098497040111474336918177811504266557541361430904061434302810747443486530681434905139243836853898421391318314450299176193155370812966441702145218097387313733125925398172956693165334829937371088052131545078191348902941497463599862869587253038738950078524802465841380048678603619406525268260912008664379908317717478035164656253775731996475040927885576078764983287244990037281776961299325733780834859433381787745058494752867253009959113978708951775862363539408583332543769203696230070713345725812848341863406760192125429086434357988160389166684847930405610749706637997072679121537388148024017015430526799973480851887846518105106419452225501680803430061998339748975728584404984719669944068688559979712899877930620639183484476136985632654013794731596980502645504616421001214724549628954884324614562144476560849465073839221914540877113795562358772138539609309156971931741024635866918369042999151211136219554111560767398666054945864253787782551640663654966620545454146619917215272930954892153531254628352267773770527049546005828357135397427777179367519588178304772869616238259197978141
 . . . . . . . . . . . . . . . . . . . . [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)
							26ef5501d03fae88208442d1d318c941ab03f26c
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.katam.se'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'katam.se'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000188a171cf57000004030047304502201cba72b11fc7f38b40d58ad934accdbf3cb06491ef78435621e08b2277bd656a022100cc9d50ce56755b9f1acea9966fc8436058a2187a9b63b1280332b6ad6908f2800075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000188a171cf66000004030046304402200cb0eb9d664d56256ff82d004cc61293da61eef653a85bcf95b098fa9d2f5d510220533f163b93f0df87e5e134194115e40ba13eee52905244d38aef648f148a7b30
 . . . . [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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