*.katam.se

Issued by R3

About this certificate

This digital certificate with serial number 03:07:82:ed:ab:76:eb:71:9a:d2:d0:8e:d4:24:0f:a6:33:a4 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): 03:07:82:ed:ab:76:eb:71:9a:d2:d0:8e:d4:24:0f:a6:33:a4
Serial Number (int): 263892868055248652719918527080014352364452
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 20:8c:f6:f9:88:a4:16:5d:3d:b0:e1:af:5d:f6:98:6f:7c:05:b2:44
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a8:70:19:8a:0e:ed:7d:f6:ce:23:1f:d1:37:1a:a8:64:5b:59:dc:cc
Fingerprint (sha256): 1b:e2:b2:71:ea:76:c1:47:17:24:fb:c5:72:06:a4:57:fc:53:c8:37:5e:dd:50:b3:84:a3:56:8f:0d:68:2e:af

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

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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 263892868055248652719918527080014352364452
 . . . . . . . . [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 2023-08-09 17:36:19 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-07 17:36:18 +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 754371886825442440874580589551295329091961598316750079571619649359754593618312164265269252102154980833272311202702223869615833875457126511389114564627303247119152174907199431197137474426596226962944870080454219027442697388461387424391664454950774038917503167524783107597000928043902568367455818973598369612670150445191967259205409988244544963993931941298127942466671993368109517096682283752882117355627594102120938454016974276777111327896616488140842701703990454197945046997845620743968135655052491031227690206086724443831212830226225652807807705890731333550580811192414441993254525963549354004105979735255945877527589375230672492017576198098225884104075932619400739833912133441510625260128502061529527732000533168139696510453384915294894730178183790436623720334121134891500089623949336655282141909309075807410884110241959248609689868137822129246675226882044452802216402158544717255985749898405508028123618927041219942349446070450532880632554118946278838163656198921656753491970651526475264313099369013352970770940068621799327357657653584583468253279672890466564291483814569975291864843146878657293800027680665758108824363023518825082736246170017911808219652747488308064629202410343986902796273040698445609946556730248008487805666811
 . . . . . . . . . . . . . . . . . . . . [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)
							208cf6f988a4165d3db0e1af5df6986f7c05b244
 . . . . . . . . . . . . . . . . [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 (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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189db95dec90000040300483046022100f7bd2ef44e787a37976a3c6aeedd18ef4cb95f028c3e42b9f7efa46d5e87beab022100fc0d0094d3c0c5a3173c8e3e59f58a2bbad5d45bb3f6ef2372b79c5debf32a9c007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000189db95deb1000004030047304502201630e7d9ef0f22403fe42322801cc64a8b51568806c444eab136bdccc7a29f4b0221008616d0f0feee637419e440ba799ab1e9b23ac014bb868acd576b095883c748dd
 . . . . [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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