*.katam.se

Issued by R3

About this certificate

This digital certificate with serial number 03:1b:83:5c:13:9c:69:1b:ac:86:f6:f3:71:4a:01:6f:75:5e 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): 03:1b:83:5c:13:9c:69:1b:ac:86:f6:f3:71:4a:01:6f:75:5e
Serial Number (int): 270699088658662792840247075436180584494430
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 90:bf:76:89:d5:24:f1:2b:94:c1:1b:ba:d1:a7:b8:d8:d0:9c:72:cd
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 77:63:05:75:a0:72:48:5f:27:f3:65:96:70:3e:62:da:63:e6:b1:c8
Fingerprint (sha256): ac:28:72:46:5a:8d:4d:28:c2:ce:24:6a:2a:ef:f4:dc:c0:98:c1:49:a3:d2:4f:bf:bf:95:99:5e:09:53:fd:33

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 270699088658662792840247075436180584494430
 . . . . . . . . [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 2023-04-09 17:35:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-08 17:35:44 +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 '*.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 949885465931885453118698541127180585809489467969888243154426862264168973950590611957945235043744220538609003146385127061010016237181372954940165153488874555604132194151452846047628104881042408777198492569198802069264897366432738419170075198420939372438572933796844286967377399534003705936643179744766601234410449891634957797149325012426808578027581208801130941843437108961286199972065726674672029899286711046185224665255736600063196202032753137230444122774792409413510483010749288522864541852234272658404588045466298884069078245786752014250333701991657378897365551533712680871450873679720265854258638758763957920675007900646160869740182199583642760237385199539544074352491426479694885554258416163865666815551928057195456354019593085687074669379904873969026433753243955054639010592410041113597483891900226701220933853926110409280640559936333665753702712254665932304878644418328145115033412431118961303601987391077532409873717310261160736627365556926912873696542295687374340313678549236676963961173051686047939154578921848611242996718660063710656323785394380170089544327969688359404216007122739596821925961787732955907580267824396398426613346083068028422076844382782207563160895741446338127874980335676438975907567842371161525431970031
 . . . . . . . . . . . . . . . . . . . . [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)
							90bf7689d524f12b94c11bbad1a7b8d8d09c72cd
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000187674d82150000040300473045022100ddc6af12b02bbe1befd4be1069671911223d63cd819b20fa4c643bec5d11f84e02200785840be20d723827f2d9efd55500f228fb6a995134de2b7a06480dc6893dd8007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000187674d82000000040300473045022100ffa38fe3223f30a26ec5496d15cc4c589d01e1ba1764dbb6456ea215be99c581022057123ec17e04c4c4ed4a955d3bfe66f0529663668d70921abc54c9c080d16ce0
 . . . . [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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