seresto.se

Issued by R3

About this certificate

This digital certificate with serial number 03:0c:93:82:39:94:b9:e5:ca:98:a6:90:46:5e:4e:b3:2e:6c was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=seresto.se

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:0c:93:82:39:94:b9:e5:ca:98:a6:90:46:5e:4e:b3:2e:6c
Serial Number (int): 265616318880184641650160675925046122983020
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c0:70:8f:8f:ed:a8:9d:40:59:90:b9:ed:bb:73:b2:dc:a7:74:e0:10
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 78:9b:b3:46:0b:72:1f:0f:13:eb:a2:74:09:ca:70:69:75:4d:97:89
Fingerprint (sha256): 54:d4:dd:bd:fd:2a:18:67:11:0b:8c:ce:ed:be:02:f6:c4:cc:c6:ec:83:82:96:54:a0:6d:f6:74:09:5b:5d:46

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

Revocation information

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

Check the revocation status for certificate seresto.se

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for seresto.se

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

seresto.se
www.seresto.se

Other certificates including the domain name seresto.se

(limited to 100 certificates)

Certificate

The complete raw certificate details for seresto.se in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4ddWMEOeqrRoy4U1K6UX
HURq04UtuFa1hBFo88aHhF3gEobifYwpeTTvEtPKnJ7Iq4oi6/5Bd68JhRPPa0Q6
anYGD1aOfXpXIRZJ4jE8wFlzg1zAOxvtzn98W4EM6H652/IATKM1M2QnFZJQy0fJ
kkLLBFeUIFACzuDxJEX5wqivpm6BkD/ReMEscw+PMgsRanVCiUv7hTcGYG8Tob4F
UgwxCZbk7ZZGt0KjG3ZMaw+YnTOYHfhwMY+dPQQOSFZKipRMD2jacPzjECGm+yVP
T9rpEiwcZw/cPfgQuOElfQPKnXaFWg9oPIs1GWaK/iy20KeVDRTOHN9oeAX7CEy8
GQIDAQAB
-----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 265616318880184641650160675925046122983020
 . . . . . . . . [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 2024-04-21 23:13:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-20 23:13:13 +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 'seresto.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 28509805088913075956030645561291129764237883748028529939769302429431613835506092193757354622348690976078857140607918473303528982222975378930458013403694097616254164079706076419193047632223720499495132422840632060885549735246144302665829014896859871518235286086588118232565224983998735560571554163398334168798644548095839871644913312039451574055630925264635144635344296412873488882173386723413178810502362131225785072524170046490010705784182319312709672088293683832806607214774205352877967537579042004397182135018096136779589411783553087079848870035787999361596758380224726714019141532819517854445247101345792822918169
 . . . . . . . . . . . . . . . . . . . . [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)
							c0708f8feda89d405990b9edbb73b2dca774e010
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'seresto.se'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.seresto.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018f0326546c0000040300463044022063b2c68a1f1cd37011cc9b5a8103500299c96dc60f60092cb6294f2e6eaa874b022028124df7e674741cc228e842b729d479cfeef17dc8e26bca32c9318b1e3add390075001998107109f0d6522e3080d29e3f64bb836e28ccf90f528eeedfce4a3f16b4ca0000018f03265478000004030046304402204a781ed1ee9e3999f1ac0390a6c7b2dddf002a61664cc47b9ec65cf6ff376d9a022068cbb149ff5f00dfe34750eed365dcffee00972155cdde8f63dd8760fecb1859
 . . . . [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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