arbitragecalc.com
Observed Jul 28, 2026, 07:13 UTC (10h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.
Up right now
Email byAmazon SES
Secured byAmazon
majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat arbitragecalc.com actually stands on - every host below is a signed observation
arbitragecalc.com
A / AAAA
3.171.61.103.171.61.133.171.61.1153.171.61.100
unattributedserves the site
NS
ns-1011.awsdns-62.netns-1205.awsdns-22.orgns-1592.awsdns-07.co.ukns-439.awsdns-54.com
awsdns-62.net + awsdns-22.org + moreanswers its DNS
TLS
arbitragecalc.com
Amazonissued its certificate
DNS Records
A 4
3.171.61.103.171.61.133.171.61.1153.171.61.100
TXT 2
ahrefs-site-verification_27b1094baf6716fbd6e9009df0682664308d78efdde02ecc848bde85117ff819v=spf1 include:amazonses.com ~all
NS 4
ns-1011.awsdns-62.netns-1205.awsdns-22.orgns-1592.awsdns-07.co.ukns-439.awsdns-54.com
SOA 1
ns-1205.awsdns-22.org awsdns-hostmaster.amazon.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
arbitragecalc.com |
C=US, O=Amazon, CN=Amazon RSA 2048 M01 | Fri, 08 Jan 2027 23:59:59 +0000 |
Amazon RSA 2048 M01 |
C=US, O=Amazon, CN=Amazon Root CA 1 | Fri, 23 Aug 2030 22:21:28 +0000 |
Amazon Root CA 1 |
C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2 | Thu, 31 Dec 2037 01:00:00 +0000 |
Subdomains (0)
None observed.
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 receiptEd25519 Receipt
- Receipt ID
rcpt_0b8650360568d610- Output Hash
595ca949de93023094d06728e9ac43ccab6c7d62ae61d64205831ab029b44d39- Signature
ed25519:1d02979b6d1adfe7497f27241a157a0e112a41876c9c0ebe33f10449f9f13781fff5e2c36845b9ddaf615991c2c058e0338e244582da794318f018b3ec059907- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast