www.s-m-s.co.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:f2:76:49:3c:7d:82:4a:11:e7:58:21:ff:53:bc:f4:f0:a0 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:
  • 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=www.s-m-s.co.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f2:76:49:3c:7d:82:4a:11:e7:58:21:ff:53:bc:f4:f0:a0
Serial Number (int): 343842419758209560343146358170447789748384
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b7:a0:dc:66:a4:c5:4c:fa:49:81:1d:6d:16:fc:8a:89:e6:7b:36:a2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 78:be:1d:0d:30:da:f4:f4:16:01:43:aa:22:f4:38:c6:3e:9e:b4:ef
Fingerprint (sha256): b7:a5:43:8f:b9:bd:bf:cd:49:02:a0:d3:15:15:f6:01:b3:1c:66:b4:72:f3:64:65:61:bb:69:50:e2:f5:6c:95

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

Revocation information

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

Check the revocation status for certificate www.s-m-s.co.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.s-m-s.co.jp

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

s-m-s.co.jp
www.s-m-s.co.jp

Other certificates including the domain name s-m-s.co.jp

(limited to 100 certificates)
ssl.s-m-s.co.jp
www.s-m-s.co.jp
ssl.s-m-s.co.jp
ssl.s-m-s.co.jp
ssl.s-m-s.co.jp
www.s-m-s.co.jp
ssl.s-m-s.co.jp
ssl.s-m-s.co.jp

Certificate

The complete raw certificate details for www.s-m-s.co.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnZbPiqzSXHRzmrXznEU4
dzvynEvFxmgk0OmLDQmDceaf9CkhXKLDfJeuV+oQyZy3Q+1uTHndGQbsicJRbLRT
ha+JbqfIYtM16V4sybPR2A/E3ENbdQ7GO2UBfG4xLmt1fCUX3jf2zbCM50KkqRvp
RVzpCfYasnyH0vCYV4zEioC1vbp+xTdsRbT/8h3hO65D3xKRWcc/U17FTCEXQgBV
7m936y+PKGow7c13GhJGlkDQG9pZ17ttfg1Ch1tPMMeRAwFnPrEgqXlqQyF/33KT
JUn2/fxZmd2R/ZUEhbkFysonzfkrhdqZcNHReDys/1ON0OQsAQ3y2y9pIV4sHaw6
aQIDAQAB
-----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 343842419758209560343146358170447789748384
 . . . . . . . . [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 2024-02-02 00:02:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-02 00:02:31 +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 'www.s-m-s.co.jp'
 . . . . . . . . [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 19893781412371668264320595118469666351230844429848154181048663567513681089540337085623603694262803281432479429484918448815264984620587168225539924374006352855260600933291070781549611738132773877701310084119367123516735375388621674275937843554367293278126348422215919229238476249543718663258475634767524227634035573654027728358507662596468748397424432432856240696318001624445659841430252873922380161243507190226688293488509785205039888038538868039752802029289216605474090619530470257198190023518957176022972866220980809321857347791035884772701252477504230633609878782256579197822953200336791162888594320362026191043177
 . . . . . . . . . . . . . . . . . . . . [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)
							b7a0dc66a4c54cfa49811d6d16fc8a89e67b36a2
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 's-m-s.co.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.s-m-s.co.jp'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d6756b7e100000403004730450220732da3622e17656cd800762e3f71eba817582305c01f9b86db09932b5ec7a02a022100977e3394d2365019e139009478f774d0d27cc92bef09caebf42b7f61d46ac675007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d6756b7dc000004030047304502201e95731e95ba903cdf0caf6c7f3d416e809e7bd28a0afe1796e923052d00dc5e02210096be94d2bb3e790babbd67f7e084ef3f84917e5f8b47cc7d5e35e5e0ee540d78
 . . . . [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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