ibkr.com

Observed Jul 18, 2026, 15:21 UTC (7h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byProofpoint

3 subdomains · tranco_100k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat ibkr.com actually stands on - every host below is a signed observation

ibkr.com

A / AAAA

64.190.196.5963.86.206.59

Cloudflareserves the site

cdns.interactivebrokers.comndns.interactivebrokers.com

interactivebrokers.comanswers its DNS

mxa-001fa301.gslb.pphosted.commxb-001fa301.gslb.pphosted.com

Proofpointreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.ibkr.com/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time441 ms

DNS resolutionNOERROR

Redirect chain

https://www.ibkr.com/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 2

64.190.196.59
63.86.206.59

MX 2

10mxa-001fa301.gslb.pphosted.com
10mxb-001fa301.gslb.pphosted.com

TXT 2

v=spf1 include:spf-001fa301.pphosted.com include:spfext.ibkr.com include:spf.protection.outlook.com -all
v=DMARC1; p=reject; rua=mailto:dmarc_rua@ibkr.com; ruf=mailto:dmarc_ruf@ibkr.com; fo=1; pct=100; adkim=r; aspf=r

NS 2

cdns.interactivebrokers.com
ndns.interactivebrokers.com

SOA 1

ndns.interactivebrokers.com admin.interactivebrokers.com

TLS Certificates (0)

None.

Subdomains (3)

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for ibkr.com. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/ibkr.com">
  <img src="https://domaindrift.io/badge/ibkr.com.svg"
       width="300" height="64" alt="DomainDrift signed observations for ibkr.com">
</a>

Ed25519 Receipt

Receipt ID: 177f69b9-7bdf-4807-8a1c-f664ca517427
Output Hash: 564a43e398cbf0eddf18c8505c0879a0b51988f2bab69e5a30dc61d37775d01e
Signature: ed25519:593a844f913ded5f59b70cbf548adc3345a52f1b1d8b527b5e6023b694c836e3e1e6b43c78d6082850989f0f4f639dc6c19059bb302f0d59807b640c80234406
Public Key: ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/ibkr.com