Double-broker check — spot fraud before you tender

Q: What is double-brokering?

Double-brokering is when a carrier tendered a load by a broker re-tenders that load to a different carrier without authorization. The cargo ends up under the control of a party the original broker has not vetted and has no contract with, which is the mechanism behind most modern freight-theft cases.

Q: Is double-brokering illegal?

Re-brokering a load without proper broker authority is a violation of FMCSA regulations and exposes the carrier to OP-1 enforcement. FMCSA has been increasing penalties since 2023, but the enforcement gap (30–90 days) is wide enough that real-time vetting is still the only reliable defense.

Q: Can KnowHaul guarantee a carrier won't double-broker?

No — and any tool that claims to should be treated with suspicion. What we can do is surface the precursor patterns we see in confirmed incidents (MC reuse, identity flips, dormant reactivations, address mismatches) so you can make an informed call before tendering. A clean verdict means we couldn't find any of the high-correlation precursors, not that the carrier is incapable of fraud.

Q: How fresh is the fraud-signal data?

Authority status, insurance filings, and registration changes refresh within 24 hours of the public filing posting. Inspection-driven signals (equipment footprint, lane activity) refresh within the hour. We don't rely on a third-party fraud feed — every signal is derived from primary FMCSA data.

Q: Do I need an account to run a double-broker check?

No. Single-carrier double-broker checks are free with no per-search fee or signup. Bulk export and API access (for brokerages running 100+ tenders/day) require an account.

Paste a DOT or MC number. KnowHaul rolls up dormancy reactivation, domicile-footprint mismatch, implausible fleet growth, and paper-carrier signals into a single fraud verdict — derived from the FMCSA filings, refreshed nightly.

FAIL0/100

Double-brokering-specific risk — may differ from this carrier’s overall fraud score on its profile.

High-confidence signal(s) on file. Do not tender without resolving these signals. This does not mean the carrier committed fraud — it means the risk is too high to tender without further verification.

BLAIR LOGISTICS LLC

dba BLAIR

DOT 1941086 · MC 691813 · AL

High risk

Multiple double-broker precursor signals are firing, or a dormant-then-reactivated authority is on file. Vet carefully before tendering.

Triggered signals (56)

vin_under_multiple_mcstruck VIN 3ALXFB009KDKK2124data as of 2026-02-09
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDV5JSJS9114data as of 2026-01-27
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 1XKYDP9X2LJ356291data as of 2025-09-19
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJHHDR0NSNE1763data as of 2026-01-11
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 1XPBD49X5FD262083data as of 2025-11-07
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR1KDKE5530data as of 2025-12-17
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR6LDLG3106data as of 2026-04-28
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR7LDLG3048data as of 2024-08-15
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGHDV0HSHP8135data as of 2026-05-18
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLD61FSGA2845data as of 2025-09-02
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 1FUJGLDR7HLHW7022data as of 2026-04-09
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJHHDR9NSNE9277data as of 2026-04-08
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 1FUJGLDR4HLHW7012data as of 2025-08-08
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 1XKADB9X88J216273data as of 2026-04-01
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 1XKYDP9XXRJ328425data as of 2026-05-12
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR3KDKE5268data as of 2026-04-30
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR4LDLG3072data as of 2025-07-15
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 1XKYDP9X4PJ239236data as of 2025-07-30
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR0KDKE5311data as of 2026-04-22
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJHHDR5NSNE1886data as of 2026-04-29
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 1XKYDP9X3KJ242816data as of 2025-11-17
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJHHDV4KSKM0605data as of 2026-06-03
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 1XKYDP9X3LJ346109data as of 2025-11-20
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 1XKYDP9X8NJ493884data as of 2026-04-28
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR7JSJZ7899data as of 2026-02-25
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 1XKYDP9X1PJ239243data as of 2026-02-12
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJHHDR0MSMU7286data as of 2026-03-24
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 1XPXD49X28D762601data as of 2024-08-18
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR6JSJK6743data as of 2025-12-10
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR1LDLG2980data as of 2026-02-04
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJHHDV1KSKM1419data as of 2026-05-08
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 1XKYDP9X4KJ242887data as of 2025-10-06
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJHHDR3NSNE1840data as of 2025-12-30
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 1FUJHHDR4KLKE6138data as of 2026-04-11
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR6LDLG3154data as of 2025-07-07
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 1XKYDP9X7KJ242818data as of 2025-12-05
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR9KDKE5338data as of 2026-04-15
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR6KDKE5331data as of 2026-04-13
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR9JSJK6669data as of 2025-01-30
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJHHDR4RSUW8391data as of 2026-01-11
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDV9JSJS9116data as of 2026-03-10
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR6KDKE5202data as of 2025-10-13
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR5KDKE5479data as of 2026-01-14
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR8KDKE5413data as of 2026-05-19
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR2KDKE5374data as of 2025-07-15
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 1XKYDP9X3KJ237244data as of 2026-04-15
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR2LSLG3003data as of 2025-05-20
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR6LDLG2957data as of 2026-02-10
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJGLDR7JSJZ3108data as of 2026-02-03
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJHHDRXMSMR4597data as of 2026-01-27
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3AKJHHDR0SSVP3953data as of 2026-02-22
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 4V4NC9EH7NN303114data as of 2025-12-02
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3HSDZTZR4KN093939data as of 2025-09-12
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3HSLGAPR6KN497673data as of 2024-05-30
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3HSLGAPR7KN105364data as of 2025-11-04
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
vin_under_multiple_mcstruck VIN 3HSLGAPR2KN644877data as of 2025-01-14
A truck VIN on this carrier was run under multiple DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.

What to verify before you tender

Confirm dispatcher email domain matches the company name
Free email domains (gmail, outlook, yahoo) combined with a brand-new MC is the highest-correlation pair in our incident data. If the domain doesn't match the company name, verify identity by a second channel before tendering.
Cross-check the phone area code against the registered address state
Re-brokering operations frequently answer from a number whose area code doesn't match the carrier's registered address state. Alone it's not conclusive — paired with one other signal, it's worth a live callback.

View full carrier profile →

What is double-brokering? How do these signals work?(expand)

Want the full primer? Read the guide: What is double-brokering?.

Double-broker check — spot fraud before you tender

Double-brokering happens when a carrier re-tenders your load to someone else without permission — usually to a freshly-issued MC with no track record. By the time the cargo is missing, the original MC is already dormant. KnowHaul checks every name and DOT against the patterns we see in real double-broker incidents: MC reuse, identity flips, dormant authority that reactivated in the last 90 days, and physical-address mismatches.

Quick Answer

Type the carrier's name, DOT, or MC into the search box. KnowHaul cross-checks the MC against four fraud-precursor patterns in under a second and surfaces a risk verdict alongside the carrier's authority, insurance, and inspection footprint.

9,000+

Fraud signals tracked

<1s

Verdict latency

90 days

Reactivation window

What double-brokering actually looks like

Double-brokering isn't an exotic crime ring — most cases are a small carrier or dispatcher with a phone, a clean-looking MC, and a willingness to re-tender. The cargo is usually electronics, tires, or food-grade freight that liquidates fast. The broker doesn't find out until the consignee calls asking where their truck is.

Three patterns we see weekly

(1) An MC under 90 days old answers a posted load by phone and asks for the rate confirmation by email rather than over the load board. (2) The dispatcher's email domain doesn't match the company name on file. (3) The MC was recently revoked, reinstated, and is now operating under a slightly different DBA — the same person, a different paper trail.

Fraud signals we watch for

KnowHaul's rules engine scores every MC against signals that public FMCSA records don't combine for you. None of these are individually conclusive — they're precursors. The verdict combines all of them with the carrier's own inspection record.

Signal	Why it matters	How we derive it
MC age	Brand-new MCs are over-represented in confirmed double-broker incidents	FMCSA registration date vs today
Dormant-then-reactivated	A reactivated authority is the easiest way to skip a fresh review	Authority history from the L&I register
Identity-flip pattern	Same physical address + new legal name = a likely re-shell	Address + name overlap across FMCSA registrations
Address mismatch	Carriers re-brokering loads often answer from a virtual office	Cross-reference FMCSA address vs phone area code + inspection state
Equipment vs cargo claim	A carrier with zero reefers shouldn't be booking refrigerated lanes	VIN-decoded equipment from roadside inspections

Why public records won't flag this directly

FMCSA fields like 'authority status' tell you whether a carrier can legally haul today — they don't tell you whether the entity is recycled paperwork from a previously-banned operator. We compute the precursor patterns from raw filings rather than relying on the public verdict.

How to run a check on a tender

There are two ways to verify a carrier before a tender. The single-carrier check is the right call for almost everyone; the bulk export is for brokers running 100+ tenders a day.

Method	When to use it	Latency
Single-carrier lookup	You have one MC to vet before tendering this load	<1 second
Lane-driven shortlist	You want to start from carriers that already run your lane	<2 seconds

What FMCSA's own data doesn't flag

OP-1 enforcement is improving, but the gap brokers care about is real-time: FMCSA can take 30–90 days to update a carrier's status after a complaint. KnowHaul fills that gap by computing the precursor patterns from the raw filings the same day they post, rather than waiting for an enforcement verdict.

Same-day data refresh

Operating authority, insurance, and registration changes refresh within 24 hours of the public filing posting. Inspection-driven signals update inside the hour.

Pro Tips

Treat any MC under 90 days old as elevated risk. Not all new MCs are bad actors — but every confirmed double-broker incident we've reviewed involved an MC less than three months old. Ask for a second proof of operation before tendering.
Confirm the dispatcher's email domain matches the legal name. Free email domains (gmail, outlook, yahoo) are common for legitimate small carriers, but a domain that doesn't match the company name AND a brand-new MC is the highest-correlation pair in our incident data.
Cross-check the phone area code against the FMCSA physical address. Re-brokering operations frequently answer from a number whose area code doesn't match the registered address state. It's not conclusive on its own — combined with one other signal, it's worth a callback.

Frequently Asked Questions

What is double-brokering?

Double-brokering is when a carrier tendered a load by a broker re-tenders that load to a different carrier without authorization. The cargo ends up under the control of a party the original broker has not vetted and has no contract with, which is the mechanism behind most modern freight-theft cases.

Is double-brokering illegal?

Re-brokering a load without proper broker authority is a violation of FMCSA regulations and exposes the carrier to OP-1 enforcement. FMCSA has been increasing penalties since 2023, but the enforcement gap (30–90 days) is wide enough that real-time vetting is still the only reliable defense.

Can KnowHaul guarantee a carrier won't double-broker?

No — and any tool that claims to should be treated with suspicion. What we can do is surface the precursor patterns we see in confirmed incidents (MC reuse, identity flips, dormant reactivations, address mismatches) so you can make an informed call before tendering. A clean verdict means we couldn't find any of the high-correlation precursors, not that the carrier is incapable of fraud.

How fresh is the fraud-signal data?

Authority status, insurance filings, and registration changes refresh within 24 hours of the public filing posting. Inspection-driven signals (equipment footprint, lane activity) refresh within the hour. We don't rely on a third-party fraud feed — every signal is derived from primary FMCSA data.

Do I need an account to run a double-broker check?

No. Single-carrier double-broker checks are free with no per-search fee or signup. Bulk export and API access (for brokerages running 100+ tenders/day) require an account.

Vet your next tender

Paste an MC, DOT, or carrier name. Get a fraud-signal verdict in under a second.

Run a check Read the double-brokering guide