PLUS FIVE FIVE, INC.

resend.com · US · Issued by DigiCert

Email infrastructure and delivery platform for developers

★★★ 6/10TechnologyEstablished mid-market SaaS company, known in developer/email tech community

Expires in 7 monthsVMCRegisteredView PrecertASN.1 crt.sh crt.sh Precert

Certificate Summary

Fingerprint (SHA-256)598d9fc2ce0d578237af8059829d8759a61672962c178ad07f57f6f5761de96c

Serial Number07:67:29:f2:9f:95:e8:1c:83:3f:15:87:01:c0:6c:b2

Issued2025-09-18

Expires2026-10-19

Root CADigiCert

SubjectPLUS FIVE FIVE, INC., US

SANsresend.com · 6 certs

CT LogGorgon (DigiCert) #25922 · 2025-09-24 06:48 UTC (6 months ago)

Certificate Lint

2 errors22 passed

2 errors1 notice22 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 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

✗

Trademark Office must be present for Registered MarkerrorMCR §7.1.4.2 ↗

Missing Trademark Office (OID 1.3.6.1.4.1.53087.1.2) in subject DN

e_bimi_mark_type_dn_trademark_office

✓

Trademark Country must be present for Registered MarkMCR §7.1.4.2 ↗

e_bimi_mark_type_dn_trademark_country

✓

Trademark Registration ID must be present for Registered MarkMCR §7.1.4.2 ↗

e_bimi_mark_type_dn_trademark_registration_id

✓

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 Forum

✓

Serial number should contain at least 64 bits of entropyCABF ↗

w_bimi_serial_entropy

✓

CA-specific policy OID should be presentCABF ↗

Found DigiCert policy OID: 2.16.840.1.114412.0.2.5

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 Hash03e6ab1d

Revocation Status

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

Certificate Details

Serial Number: 07:67:29:f2:9f:95:e8:1c:83:3f:15:87:01:c0:6c:b2

Issuer:

commonName: DigiCert Verified Mark RSA4096 SHA256 2021 CA1

organizationName: DigiCert

Validity:

Not Before: Thu, 18 Sep 2025 00:00:00 UTC

Not After: Mon, 19 Oct 2026 23:59:59 UTC

Subject:

commonName: PLUS FIVE FIVE, INC.

organizationName: PLUS FIVE FIVE, INC.

countryName: US

stateOrProvinceName: California

localityName: San Francisco

BIMI Trademark Country: US

BIMI Trademark ID: 7647706

BIMI Mark Type: Registered Mark

Jurisdiction State: Delaware

Jurisdiction Country: US

Business Category: Private Organization

Serial Number: 7168948

Street Address: 2261 Market Street Pmb 5039

Subject Alternative Names:

DNS:resend.com· 6 certs

X509v3 Extensions:

Subject Key Identifier(2.5.29.14):8F:EA:59:56:9F:98:AA:E5:5B:1C:80:96:E9:91:95:A3:CD:4C:94:ED

Subject Alternative Name(2.5.29.17):resend.com

Basic Constraints(2.5.29.19):CA: false

CRL Distribution Points(2.5.29.31):http://crl3.digicert.com/DigiCertVerifiedMarkRSA4096SHA2562021CA1.crl http://crl4.digicert.com/DigiCertVerifiedMarkRSA4096SHA2562021CA1.crl

Certificate Policies(2.5.29.32):DigiCert VMC Policy http://www.digicert.com/CPS BIMI Mark Certificate General Policy

Authority Key Identifier(2.5.29.35):BE:9F:BD:8D:57:6D:95:B5:AD:63:C3:97:4E:AB:A8:84:5D:3A:07:F5

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://cacerts.digicert.com/DigiCertVerifiedMarkRSA4096SHA2562021CA1.crt

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	2025-09-18	13h

Certificate Chain

Leaf CertificatePLUS FIVE FIVE, INC.

Position 0

Subject: 1.3.6.1.4.1.311.60.2.1.3=US, 1.3.6.1.4.1.311.60.2.1.2=Delaware, 2.5.4.15=Private Organization, 2.5.4.5=7168948, C=US, ST=California, L=San Francisco, 2.5.4.9=2261 Market Street Pmb 5039, O=PLUS FIVE FIVE\, INC., CN=PLUS FIVE FIVE\, INC., 1.3.6.1.4.1.53087.1.13=Registered Mark, 1.3.6.1.4.1.53087.1.3=US, 1.3.6.1.4.1.53087.1.4=7647706

Issuer: C=US, O=DigiCert\, Inc., CN=DigiCert Verified Mark RSA4096 SHA256 2021 CA1

Serial: 07:67:29:f2:9f:95:e8:1c:83:3f:15:87:01:c0:6c:b2

SHA-256: 598d9fc2ce0d5782...761de96c

2025-09-18 – 2026-10-19

Intermediate CADigiCert, Inc.

Position 1

Subject: C=US, O=DigiCert\, Inc., CN=DigiCert Verified Mark RSA4096 SHA256 2021 CA1

Issuer: C=US, ST=Utah, L=Lehi, O=DigiCert\, Inc., OU=www.digicert.com, CN=DigiCert Verified Mark Root CA

Serial: 0c:5b:6f:7e:eb:b3:f1:c2:ac:dd:a1:3a:98:9d:bd:82

SHA-256: 0f2024a1f5ab051c...361b930a

2021-07-01 – 2036-06-30

Root CADigiCert, Inc.

Position 2

Subject: C=US, ST=Utah, L=Lehi, O=DigiCert\, Inc., OU=www.digicert.com, CN=DigiCert Verified Mark Root CA

Issuer: C=US, ST=Utah, L=Lehi, O=DigiCert\, Inc., OU=www.digicert.com, CN=DigiCert Verified Mark Root CA

Serial: 06:c1:67:cf:eb:f4:8d:35:d6:24:10:18:5e:11:c5:eb

SHA-256: 504386c9ee8932fe...33c46b42

2019-09-23 – 2049-09-23

Raw PEM