admtan.jp

Issued by R3

About this certificate

This digital certificate with serial number 04:ad:d8:2a:4f:b7:c7:b3:c3:3e:1a:f3:1b:cc:8a:57:46:06 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=admtan.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:ad:d8:2a:4f:b7:c7:b3:c3:3e:1a:f3:1b:cc:8a:57:46:06
Serial Number (int): 407605326144791858322242625879023273068038
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: cd:94:de:7f:e9:d9:28:b5:58:a1:92:28:d4:76:17:b5:91:a5:71:80
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 05:6a:00:f9:64:ff:02:c8:cf:c6:1f:05:e2:67:84:e4:1d:b4:8f:25
Fingerprint (sha256): aa:6e:0d:98:e4:d4:34:d7:fe:b5:cc:90:09:ee:80:c4:3a:d6:a9:1a:ac:37:b5:8c:15:2a:19:cf:3e:1b:28:fc

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

Revocation information

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

Check the revocation status for certificate admtan.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for admtan.jp

Public Key Algorithm

ECDSA

Key Size

384

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

*.admtan.jp
admtan.jp

Other certificates including the domain name admtan.jp

(limited to 100 certificates)
admtan.jp
*.admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp
cdn.admtan.jp
admtan.jp
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admtan.jp
admtan.jp
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scd.admtan.jp
admtan.jp
admtan.jp
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scd.admtan.jp
admtan.jp
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admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp
scd.admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp
admtan.jp

Certificate

The complete raw certificate details for admtan.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAE4sE2Ddi5WxFLhSdHNTcfY51/SZg3gir3
QZHMvPRRl4B91s1Xwx5wGh+H5SW2/4aZWfdYizu95BKOrOvzXOaBB9cnZwYbbNr3
QD2Qo2RJlOtan5D/GRdY+lQYNda5SGRE
-----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 407605326144791858322242625879023273068038
 . . . . . . . . [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 2023-09-12 18:53:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-11 18:53:05 +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 'admtan.jp'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.132.0.34 (secp384r1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (776 bits)
				0004e2c1360dd8b95b114b85274735371f639d7f499837822af74191ccbcf45197807dd6cd57c31e701a1f87e525b6ff869959f7588b3bbde4128eacebf35ce68107d72767061b6cdaf7403d90a3644994eb5a9f90ff191758fa541835d6b9486444
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							cd94de7fe9d928b558a19228d47617b591a57180
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.admtan.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'admtan.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a8af465f10000040300473045022035addfbc839cdda5899e6c96b9307ed58fb7895113f2eb98df2ed66129d01364022100e7cfb3f8e08d83e821b7bc0bd555fb837dca90b7733b1feb8cc21f14994f9ec3007700e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018a8af4661500000403004830460221008240b00963cda0bd56f744ee6d0b964b0826ae0ad249f9db4600697ed4dc0c6902210091f179eacc8645876831075f6ea8efb153556b48617c0d4ac859b29625aca8ac
 . . . . [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)
		0062732d49f4563187cb8e3d9aa1540d83bc5b8a5b5b820e392b6ac39cd9032753b23a1ddd6e72c09cccf731546363d9d164866a027cfa819c5abdbbca4b5b96b436195cf465e13a757619e3999c2975a130cde7a40692e4e9125b807632940af3c88fd7f6caf75cf2416da3e0f72e4be5aa1810b8ce79a2271418e6abe125938dc17578a0ae841cad458f61417b2f475b3a3b680b09d2a4d3a2bb7916ea5d58795c673f8d3a6bf53a5198dfe526b4c2c1d6cf9137da751ddf988e06ea2681824b21dd3779143baafe53af02fc2868585dd2d3379e5fa286a06c3c7d75358debedfa3541bce5d4bd8bcfbdba66b7180395b9c66513437e6cc5d1773e25881ffa09