advantest.com

Issued by R3

About this certificate

This digital certificate with serial number 04:5b:bc:dc:2c:19:6f:23:ad:b7:e6:27:d7:85:81:60:5e:65 was issued on by Let's Encrypt.

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=advantest.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:5b:bc:dc:2c:19:6f:23:ad:b7:e6:27:d7:85:81:60:5e:65
Serial Number (int): 379665877179803951200232582794172595986021
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 26:74:59:3b:47:2b:0c:78:08:58:b0:46:e1:65:44:80:f3:f6:c0:a0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 79:0e:8c:b1:ee:7a:04:76:8a:49:88:97:13:e4:ff:33:9d:5c:a0:80
Fingerprint (sha256): 04:44:ed:66:20:8d:7c:17:e6:a2:a9:d7:10:3f:93:27:ce:1b:57:86:bc:da:70:6a:53:fb:e3:84:bc:d1:48:3b

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

Revocation information

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

Check the revocation status for certificate advantest.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for advantest.com

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

advantest.com

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*.advantest.com
support.intellitechsystems.co.za
support.lpros.biz
support.intellitechsystems.co.za
soporte.nerdcom.do
customer-support.zoho.com.cn
desk.tecknohub.com
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usdcnexpwe01.advantest.com
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jp.support.te-cloud.advantest.com
soportesistemas.uaa.com.ar
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support.sreeveniv.com
advantest.com
support.praetoriansystems.us
ecard.advantest.com
jpcimp.advantest.com
usdcnexpwc01.advantest.com
clients.quicknummy.com
eu.te-cloud.advantest.com
support.tilopay.com
sg.support.te-cloud.advantest.com
uscuc.advantest.com
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grupoprimavia.12ti.com.br
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vpn-sjc.advantest.com
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usdcnexpwc02.advantest.com
suporte.pizzattolog.com.br
*.advantest.com
b2btest.advantest.com
support.unboxpaint.com
www.patolo.jp
help.webspecia.in
vpn-muc.advantest.com
*.advantest.com
support.1rink.com
live-support.deer-tek.com
test.forsk.com.cn
support.intellitechsystems.co.za

Certificate

The complete raw certificate details for advantest.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqCyz/t/h2LzKujoodNvi
0FU0gyzKJdXBbC06mBuFO0gMsQ9Fr2S7HUhmbTQaCOs+fFIx3v6T++z15t4FShX+
ibH6LJP9HNFiPA+yz6uWacaSjNEjks/ZuyNG8mEpyI7ovMmLpxUe1TAig3m0wL/Y
csqbNgb1gTx9rbvpD0suv68zb1rFJDEYf9ddtDlDTMxto/3oWYCahm16ERETQtvn
+WeEl6uyOW+ja3taM1PHWO8IjmR53rOLK6XBFpto0uenPo42aezEHTDokBcy2hk5
uauoJ0XZQ3fzV4g85zBZgErMUi2dL3GE83u+tlqgJvNxkoJ9laGiKWMCcRPeDnI5
hwIDAQAB
-----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 379665877179803951200232582794172595986021
 . . . . . . . . [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 2023-07-30 12:43:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-28 12:43:58 +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 'advantest.com'
 . . . . . . . . [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 21230079158355565110049742916565331764702872846101012661206350593478408505727690595787458868026341068344419019541115906523174507535549212706276494825293818242764361590242594653990735570521907884882440412881037526994027409014010277143373158516431059758437011032931035723644582371653205139764608098986098622264417534300644036727688661298026304156387850651054998626701957597062409261686513371954481640934462817663481097859398976007088076322622780265841544079920811446292848231925145547926132531791789872036720831714980679256598443668168995258682214884773294082317261461067773184365067670607442562303513264487021122042247
 . . . . . . . . . . . . . . . . . . . . [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)
							2674593b472b0c780858b046e1654480f3f6c0a0
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'advantest.com'
 . . . . . . . . . . . . . . . . [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)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189a70aa4d00000040300473045022100ffa9dde62a61e4aabb85691cef7f11f7ba15eef648250dabff2cfd2efdf96bb50220381c8c71505a9e5664776ebe7d7fdf86c055b20b085a49c9df3b2c19a4dbf15b0076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189a70aa4e700000403004730450220542c003fcd699a7bfc7e9575490e63268f016e0313ac823e3a899fd8760f3a83022100b17ba6d796ab796aec8d5f167633f73d470a16e22573c13409a385a2d6f44246
 . . . . [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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