s.klab.com

Issued by GTS CA 1D4

About this certificate

This digital certificate with serial number af:6f:c2:c5:76:69:0a:c2:09:cf:34:b4:36:42:4f:4c was issued on by Google Trust Services LLC.

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=s.klab.com

Google Trust Services LLC

Organization: Google Trust Services LLC
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): af:6f:c2:c5:76:69:0a:c2:09:cf:34:b4:36:42:4f:4c
Serial Number (int): 233195194645714986532088147120614428492
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: 45:53:f0:6d:93:13:e4:a7:a4:6b:c4:4f:67:83:2d:71:d3:ad:05:a5
AuthorityKeyId: 25:e2:18:0e:b2:57:91:94:2a:e5:d4:5d:86:90:83:de:53:b3:b8:92

Fingerprint (sha1): 9f:e7:ce:95:36:91:8e:a8:a1:69:90:47:a0:65:ce:6a:91:22:4c:f9
Fingerprint (sha256): c2:9b:3e:36:42:bf:06:a1:ed:25:c5:b4:02:40:14:3b:b1:0b:c8:42:8d:8d:a3:24:b3:44:65:4c:b7:6b:c3:af

Issuing Certificate URL: http://pki.goog/repo/certs/gts1d4.der

Revocation information

OCSP Server: http://ocsp.pki.goog/s/gts1d4/mVKIjzSMosU
CRL Distribution Point: http://crls.pki.goog/gts1d4/82ErAEAUlGY.crl

Check the revocation status for certificate s.klab.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for s.klab.com

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication

Extensions

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

s.klab.com

Other certificates including the domain name klab.com

(limited to 100 certificates)
*.klab.com
www.klab.com
*.github.jp.klab.com
www.klab.com
ask.corp.klab.com
www.hueimaging.com
iatl-upnvyk.org
klab.com
inquiry.corp.klab.com
next-admin.tapnotion.com
*.github.jp.klab.com
www.convo.com.ua
stg.klab.com
klab.com
*.klab.com
lp.corp.klab.com
github.jp.klab.com
github.jp.klab.com
github.jp.klab.com
www.klab.com
lp.corp.klab.com
github.jp.klab.com
lp.corp.klab.com
www.klab.com
lp.corp.klab.com
*.klab.com
github.jp.klab.com
ask.corp.klab.com
www.klab.com
github.jp.klab.com
lp.corp.klab.com
stag.patient.umasalud.com.mx
ask.corp.klab.com
*.pcms.klab.com
www.klab.com
ask.corp.klab.com
schoolchecker.co.uk
github.jp.klab.com
www.klab.com
s.klab.com
ask.corp.klab.com
klab.com
www.bittbook.com
www.decorarte2000.com
ask.corp.klab.com
stg.klab.com
*.klab.com
rentalsunited.mysmarthotel.com
ask.corp.klab.com
spanner.fyi
*.klab.com
faq.corp.klab.com
*.pcms.klab.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkPU6lFn/qBG7+at45ywA
gpVWb+61iTH7tpxkGo/Pg3xIkNsl61q8N8av+0G11VMWHWSJ+4V/2pNx0bzlNcE7
RzpcOjx2Dg6j9zKTNMtNiVX4ZnaXgIzurZGeSsaeuNCYExTc7QJVKMC9ip2gH/yW
fQNIsn9fNt76TwxKRAFBheVMPzmn8hlTuHOj1BAaU03VvQeFyoW8IRRvHTjcwPlZ
Ztvt8yjxGqUeYEH+9lVjESW3z8WJ3LHlWEUupQAgCIyQ35AXRnpVHq9sBmJWQ6m6
d4suob2ODmgoV3zS84CvYpvX7PaAq2dwBhVHhRSu8HH9YipXvfP3CAVVTbbrcQXs
wQIDAQAB
-----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 233195194645714986532088147120614428492
 . . . . . . . . [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 'Google Trust Services LLC'
 . . . . . . . . . . . . [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 'GTS CA 1D4'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-29 02:58:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-27 03:52:39 +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 's.klab.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 18299242756299554525602335798099865303826844109617422646297823534759608935489314779472036982348347391709467291039982945381817445436994260553113595067139484516275096257719561596487863936424693833371784662643548537594349491557253471632458921578699962911581608939204801756152732981587491683545137224218270080850251804691510008832787225451426295792959719177938433434668564642357641345692421861321393543287919203718068279714224526102014801823005224552385353282302131004519430840721515237411023600352062111993943270117453148181634387351386169291084621331382417293511214939663303309873282968234283231822910948607120063720641
 . . . . . . . . . . . . . . . . . . . . [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 (12 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: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)
							4553f06d9313e4a7a46bc44f67832d71d3ad05a5
 . . . . . . . . . . . . . . . . [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 25e2180eb25791942ae5d45d869083de53b3b892
 . . . . . . . . . . . . . . . . [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 (108 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://ocsp.pki.goog/s/gts1d4/mVKIjzSMosU'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://pki.goog/repo/certs/gts1d4.der'
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 's.klab.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 (26 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 1.3.6.1.4.1.11129.2.5.3
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (53 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crls.pki.goog/gts1d4/82ErAEAUlGY.crl'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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)
		00a31b3b1cfac40a08ee10d8f129c9832be1218db3176013ddc89fa199832aa6248d01827066ecbc14ad97659b01f91d1aa2b90298a4a97afe7493660221e8ef8954aebed8183c5ee2f289f48f072487049bc3e27f0a7904f10b71483d07c44fd7a0d0be70f6ba66afea0d5eba6e208b04fce8b105b162811ae5606b32690da3ee4d7ac6c62bf21ad5e3e567b61b1b71d1d56b851437dd7642f9daee568bae97c0e47adc25335f809d2502d1aa0a28558b2e5f6ce0f8b9733978a0613624fed236b3102429ed6c8df8227bad95836ee86418e93c5b3e6c5ff074eb7797f5efbcc1c95fe39f823e3740372b4f317619c041bcdd0a4ab1aaef13ce28fce95de31bff