KC Tool, LLC

kctool.com · US · Issued by SSL Corporation

Tools and hardware retail business

★★ 3/10RetailSmall regional tools retailer, limited national recognition

PrecertExpires in 12 monthsCMCPrior UseView Final CertASN.1 crt.sh crt.sh Final

Certificate Summary

Fingerprint (SHA-256)13abc048224edc049338cb49e89c890cfbea6135f72c025566d1a09dfb22946b

Serial Number67:4a:bf:07:c6:88:5c:58:f1:c9:26:5b:d2:b5:e0:c8

Issued2026-03-10

Expires2027-03-10

Intermediate CASSL Corporation

SubjectKC Tool, LLC, US

SANskctool.com

CT LogGorgon (DigiCert) #32470 · 2026-03-10 21:35 UTC (5 days ago)

Certificate Lint

2 errors1 warning19 passed

2 errors1 warning1 notice19 passed

MCR (Mark Certificate Requirements)2 fails

✓

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 presenterrorMCR §7.1.2.7 ↗

SCT List extension is missing

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 ↗

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)1 fail

✓

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-256noticeRFC 3709 §2.1 ↗

Logotype uses SHA-1 hash; SHA-256 recommended for stronger integrity

n_bimi_logotype_hash_sha256

Embedded Logo

SVG Hash8f368855f48765d0838b5229d319aee593d5d50feb570621f248c8bec6ea0ca9

Revocation Status

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

Certificate Details

Serial Number: 67:4a:bf:07:c6:88:5c:58:f1:c9:26:5b:d2:b5:e0:c8

Issuer:

commonName: SSL.com VMC Issuing ECC CA 1

organizationName: SSL Corporation

Validity:

Not Before: Tue, 10 Mar 2026 21:25:51 UTC

Not After: Wed, 10 Mar 2027 21:25:51 UTC

Subject:

organizationName: KC Tool, LLC

countryName: US

stateOrProvinceName: Kansas

localityName: Olathe

BIMI Word Mark: KC Tool

BIMI Mark Type: Prior Use Mark

BIMI Prior Use Source: kctool.com

Jurisdiction State: Missouri

Jurisdiction Country: US

Business Category: Private Organization

Serial Number: LC001672170

Street Address: 1280 N Winchester Street

Subject Alternative Names:

DNS:kctool.com

X509v3 Extensions:

Subject Key Identifier(2.5.29.14):84:D4:4E:A8:E0:79:72:82:A5:F0:9D:86:DD:74:9F:F7:9B:55:7E:5A

Subject Alternative Name(2.5.29.17):kctool.com

Basic Constraints(2.5.29.19):CriticalCA: false

CRL Distribution Points(2.5.29.31):http://crls.ssl.com/SSL.com-VMC-I-E1.crl

Certificate Policies(2.5.29.32):1.3.6.1.4.1.38064.1.3.8 https://www.ssl.com/repository BIMI Mark Certificate General Policy

Authority Key Identifier(2.5.29.35):03:19:FD:F3:B9:D3:4B:B1:99:2C:86:1B:DF:2D:AC:3F:B5:44:1C:77

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://cert.ssl.com/SSL.com-VMC-I-E1.cer

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

CT Precert Poison(1.3.6.1.4.1.11129.2.4.3):CriticalPrecertificate poison (critical)

ASN.1 Structure

Certificate Chain

Leaf CertificateKC Tool, LLC

Position 0

Subject: C=US, ST=Kansas, L=Olathe, O=KC Tool\, LLC, 2.5.4.5=LC001672170, 1.3.6.1.4.1.53087.1.13=Prior Use Mark, 1.3.6.1.4.1.53087.5.1=kctool.com, 1.3.6.1.4.1.53087.1.6=KC Tool, 2.5.4.15=Private Organization, 2.5.4.9=1280 N Winchester Street, 1.3.6.1.4.1.311.60.2.1.2=Missouri, 1.3.6.1.4.1.311.60.2.1.3=US

Issuer: C=US, O=SSL Corporation, CN=SSL.com VMC Issuing ECC CA 1

Serial: 67:4a:bf:07:c6:88:5c:58:f1:c9:26:5b:d2:b5:e0:c8

SHA-256: 13abc048224edc04...fb22946b

2026-03-10 – 2027-03-10

Intermediate CASSL Corporation

Position 1

Subject: C=US, O=SSL Corporation, CN=SSL.com VMC Issuing ECC CA 1

Issuer: C=US, O=SSL Corporation, CN=SSL.com VMC ECC Root CA 2024

Serial: 52:4f:94:06:c9:b4:44:9e:04:d3:84:a2:ac:98:7a:11

SHA-256: eecc01dcc16b7da9...80230f41

2024-03-26 – 2034-03-24

Root CASSL Corporation

Position 2

Subject: C=US, O=SSL Corporation, CN=SSL.com VMC ECC Root CA 2024

Issuer: C=US, O=SSL Corporation, CN=SSL.com VMC ECC Root CA 2024

Serial: 11:47:c1:6a:2d:3f:4a:f7:67:5d:65:e5:c1:ac:ad:8e

SHA-256: 1b82e7f4910b51e3...fb83598c

2024-02-19 – 2048-02-13

Raw PEM