advantest.com

Issued by R3

About this certificate

This digital certificate with serial number 04:21:1b:54:d5:3f:ab:36:dd:40:20:78:e0:7f:8a:fb:7e:d6 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:
  • 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=advantest.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:21:1b:54:d5:3f:ab:36:dd:40:20:78:e0:7f:8a:fb:7e:d6
Serial Number (int): 359714791469451873614580246375337207496406
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: b5:28:74:48:2e:2d:05:83:80:81:1c:4f:18:0c:9a:f0:f4:a1:51:7d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 30:62:51:90:c2:49:f6:03:d4:c6:b6:84:99:46:29:f1:3e:f4:35:5b
Fingerprint (sha256): 28:33:89:db:92:2e:38:32:6c:92:ed:df:cb:6d:7d:f4:84:5d:7d:cf:bd:db:ff:3a:af:8f:05:b7:cc:ab:9c:29

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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VPN-US.advantest.com
support.epigrid.com
soporte.avp-ec.com
support.clouddistributie.nl
support.intellitechsystems.co.za
jupyterhub.glasswall.advantest.com
*.advantest.com
support.intellitechsystems.co.za
support.lpros.biz
support.intellitechsystems.co.za
soporte.nerdcom.do
customer-support.zoho.com.cn
desk.tecknohub.com
support.unboxpaint.com
employees.prepca.com
usdcnexpwe01.advantest.com
cucmlabexpwc.advantest.com
dedcbexpwe02.advantest.com
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support.tilopay.com
support.intellitechsystems.co.za
jp.support.te-cloud.advantest.com
soportesistemas.uaa.com.ar
advantest.com
VPN-US.advantest.com
weshare.advantest.com
support.beadleandgrimms.com
support.unboxpaint.com
support.intellitechsystems.co.za
*.advantest.com
support.intellitechsystems.co.za
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
support.easeit.com.au
sg.support.te-cloud.advantest.com
grupoprimavia.12ti.com.br
support.swarmrewards.io
suporte.pizzattolog.com.br
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styleguide.advantest.com
support.intellitechsystems.co.za
vpn-sjc.advantest.com
support.ehakkexpress.com
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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0dXTGqgg+6wer+XXMvLN
bHTVrFesvcmRdWF+DGhlLuCDcJ3Ayt03WhlV6IMWpUsHzSNUWPBq0O7K3Kt/IVE7
vs8WSgkLoC0i0LFcqrORYjKQ7+NFESiFLsCn75hTJDMt2pwKPDMAzY12TArrtQuR
0rJoAKCyMsI/RnzlenfrhWhfWKUCejuEO7xPguWLbkkfW6bkQShQEp7WfuQpeU0B
PsHhlt5ys+27HGoAiDjDEUbMIU7Qxpy9LqbmCHBsKV5toBMzYklDS/ssVcIuMZ+6
vmXYJTRGM7TOL1xsyi3puXZo4R/SKJUMDJdMi6myyPWCObOgZ0NXAt+Sdb0gaUck
4wIDAQAB
-----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 359714791469451873614580246375337207496406
 . . . . . . . . [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 2024-03-26 12:44:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-24 12:44:22 +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 26489246590574587697997116596271018528731132377660538456514945631196485579375947054752213191619521679097877864576909848933024475218753496427177382262600585740189349787541142025626145084541355442813695962712140630409288211372947631979944865343761340290009467965665300198143102528502228451554516947517289569777777339094360202620086234089532534187864427922192705463882330790878222995376486435292434438415345191745760504217724727995999455747758961346203195025294540654989234291114388885860148003818581823709360403690085797098252278152211286297287267011034883070447383240302946247133187154567887608119281950066579501163747
 . . . . . . . . . . . . . . . . . . . . [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)
							b52874482e2d058380811c4f180c9af0f4a1517d
 . . . . . . . . . . . . . . . . [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)
							00f00076003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018e7b01412f0000040300473045022100b288ea4ab41ada0674ec27d4547ad967b985c6f5c143d1ccc728203240617ebe0220120bf6463c26f7224ceb1815e3f9bf17fcceb2a8a1a5f4f061e201f941451dd000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e7b014134000004030047304502207d7ea9496691d87fcbe6d38dfecfad8b599000943cb9f0117fd26973c128ca88022100a23f9d68ad114289cfbe9ce3894bd1d2b6aa7c626f1560e7e310e81bebcc35f1
 . . . . [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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