NELKE PLANNING CO., LTD.

nelke.co.jp · JP · Issued by GlobalSign nv-sa

Construction planning and property development company.

★★ 3/10ManufacturingSmall Japanese planning/construction company, regional recognition.

Expires in about 1 yearCMCPrior UseView PrecertASN.1 crt.sh crt.sh Precert

Certificate Summary

Fingerprint (SHA-256)eac62746ade61a9c077709644ab96e75d9d61667eae58905e170f6f140e61c56

Serial Number34:44:20:ff:bd:22:82:67:9b:52:65:94

Issued2026-02-19

Expires2027-03-23

Intermediate CAGlobalSign nv-sa

SubjectNELKE PLANNING CO., LTD., JP

SANsnelke.co.jp

CT LogGorgon (DigiCert) #32537 · 2026-03-10 22:53 UTC (5 days ago)

Certificate Lint

1 error1 warning21 passed

MCR (Mark Certificate Requirements)1 fail

✓

EKU must contain BIMI OIDMCR §7.1.2.7 ↗

e_bimi_eku_present

✓

EKU must contain only BIMI OIDMCR §7.1.2.7 ↗

e_bimi_eku_single

✓

Name Constraints must not be presentMCR §7.1.2.7 ↗

e_bimi_no_name_constraints

✗

Key Usage must include digitalSignatureerrorMCR §7.1.2.7 ↗

Key Usage extension is missing

e_bimi_key_usage

✓

Validity period must not exceed 825 daysMCR §6.3.2 ↗

e_bimi_validity_period

✓

SCT List extension must be presentMCR §7.1.2.7 ↗

e_bimi_sct_present

✓

Pilot ID extension must not be presentMCR §7.1.2.7 ↗

e_bimi_pilot_id_absent

✓

BIMI General Policy OID must be presentMCR §7.1.6.4 ↗

e_bimi_general_policy

✓

CPS URL must be present in certificate policiesMCR §7.1.6.4 ↗

e_bimi_cps_url_present

✓

Mark type must be present and validMCR §7.1.4.2.2 ↗

e_bimi_mark_type_valid

✓

Prior Use Source must be present for Prior Use MarkMCR §7.1.4.2 ↗

e_bimi_mark_type_dn_prior_use_source

✓

Logotype extension must be presentMCR §7.1.2.7 ↗

e_bimi_logotype_present

✓

Logotype must contain data: URIMCR §7.1.2.7 ↗

e_bimi_logotype_data_uri

✓

SVG must be gzip-compressedMCR §7.1.2.7 ↗

e_bimi_svg_compressed

✓

SVG must conform to SVG Tiny PSMCR §7.1.2.7 ↗

e_bimi_svg_tiny_ps

✓

RSA key must be at least 2048 bitsMCR §6.1.5 ↗

w_bimi_rsa_key_size

—

ECDSA key must use P-256 or P-384MCR §6.1.5 ↗

w_bimi_ecdsa_curve

✓

Signature hash should be SHA-256 or strongerMCR §6.1.5 ↗

w_bimi_sig_hash

RFC 5280 (X.509)

✓

Certificate must not be a CARFC 5280 §4.2.1.9 ↗

BasicConstraints extension absent (correct for end-entity certificates)

e_bimi_basic_constraints

—

Key Usage extension must be criticalRFC 5280 §4.2.1.3 ↗

e_bimi_key_usage_critical

CA/Browser Forum1 fail

✓

Serial number should contain at least 64 bits of entropyCABF ↗

w_bimi_serial_entropy

✗

CA-specific policy OID should be presentwarningCABF ↗

No known CA-specific VMC policy OID found

w_bimi_ca_policy_oid

RFC 3709 (Logotype)

✓

Logotype extension must not be criticalRFC 3709 §2.1 ↗

e_bimi_logotype_not_critical

✓

Logotype must contain a hashRFC 3709 §2.1 ↗

e_bimi_logotype_hash_present

✓

Logotype hash should use SHA-256RFC 3709 §2.1 ↗

n_bimi_logotype_hash_sha256

Embedded Logo

SVG Hash0987f9d0a9814f30f5ddc4d4f1bb83fcaa937618a1a2590b99212d1ec0de1323

Revocation Status

No OCSP or CRL endpoints found in this certificate's extensions.

Certificate Details

Serial Number: 34:44:20:ff:bd:22:82:67:9b:52:65:94

Issuer:

commonName: GlobalSign GCC R42 Verified Mark CA 2023

organizationName: GlobalSign nv-sa

Validity:

Not Before: Thu, 19 Feb 2026 06:00:01 UTC

Not After: Tue, 23 Mar 2027 06:00:00 UTC

Subject:

organizationName: NELKE PLANNING CO., LTD.

countryName: JP

stateOrProvinceName: Tokyo

localityName: Meguro-ku

BIMI Mark Type: Prior Use Mark

BIMI Prior Use Source: https://web.archive.org/web/20250126181113/https://www.nelke.co.jp/

Jurisdiction Country: JP

Business Category: Private Organization

Serial Number: 0132-01-015921

Street Address: Higashiyama 1-2-2

Subject Alternative Names:

DNS:nelke.co.jp

X509v3 Extensions:

Subject Key Identifier(2.5.29.14):51:A3:5E:1B:57:B9:0F:A8:1E:A0:3B:68:53:78:3A:B3:8F:E4:49:73

Subject Alternative Name(2.5.29.17):nelke.co.jp

CRL Distribution Points(2.5.29.31):http://crl.globalsign.com/gsgccr42verifiedmarkca2023.crl

Certificate Policies(2.5.29.32):1.3.6.1.4.1.4146.10.6.1 https://www.globalsign.com/repository/ BIMI Mark Certificate General Policy

Authority Key Identifier(2.5.29.35):8C:D8:30:07:82:CE:11:51:FA:0B:B7:EF:B7:46:95:72:C1:76:B3:4E

Extended Key Usage(2.5.29.37):Brand Indicator for Message Identification (BIMI)

Authority Information Access(1.3.6.1.5.5.7.1.1):CA Issuers: http://secure.globalsign.com/cacert/gsgccr42verifiedmarkca2023.crt OCSP: http://ocsp.globalsign.com/gsgccr42verifiedmarkca2023

Logotype (BIMI)(1.3.6.1.5.5.7.1.12):Embedded SVG logotype (see Logo section)

CT Precert SCTs(1.3.6.1.4.1.11129.2.4.2):Signed Certificate Timestamps (embedded)

ASN.1 Structure

Signed Certificate Timestamps

1 SCTSingle-log transparency

Log Name	Operator	SCT Timestamp	Lag
DigiCert 'Gorgon' log	DigiCert	2026-02-19	5s

Certificate Chain

Leaf CertificateNELKE PLANNING CO., LTD.

Position 0

Subject: 2.5.4.15=Private Organization, 2.5.4.5=0132-01-015921, 1.3.6.1.4.1.311.60.2.1.3=JP, C=JP, ST=Tokyo, L=Meguro-ku, 2.5.4.9=Higashiyama 1-2-2, O=NELKE PLANNING CO.\, LTD., 1.3.6.1.4.1.53087.1.13=Prior Use Mark, 1.3.6.1.4.1.53087.5.1=https://web.archive.org/web/20250126181113/https://www.nelke.co.jp/

Issuer: C=BE, O=GlobalSign nv-sa, CN=GlobalSign GCC R42 Verified Mark CA 2023

Serial: 34:44:20:ff:bd:22:82:67:9b:52:65:94

SHA-256: eac62746ade61a9c...40e61c56

2026-02-19 – 2027-03-23

Intermediate CAGlobalSign nv-sa

Position 1

Subject: C=BE, O=GlobalSign nv-sa, CN=GlobalSign GCC R42 Verified Mark CA 2023

Issuer: C=BE, O=GlobalSign nv-sa, CN=GlobalSign Verified Mark Root R42

Serial: 7f:e5:30:93:0b:86:4a:36:ef:80:ba:86:86:c1:a9:ae

SHA-256: 0fa93b3456322b76...88cd4983

2023-11-15 – 2038-11-15

Root CAGlobalSign nv-sa

Position 2

Subject: C=BE, O=GlobalSign nv-sa, CN=GlobalSign Verified Mark Root R42

Issuer: C=BE, O=GlobalSign nv-sa, CN=GlobalSign Verified Mark Root R42

Serial: 7f:e5:30:03:81:98:a7:5f:7d:17:c0:0f:24:2c:ab:f3

SHA-256: cd122cb877c6928b...524e7e0b

2023-11-15 – 2042-11-15

Raw PEM