econtheory.org
Observed Jul 27, 2026, 00:21 UTC (3d 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
Runs onCloudflare
Secured byGoogle Trust Services
Also usesGoogle Search Console
IPv6 · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat econtheory.org actually stands on - every host below is a signed observation
econtheory.org
A / AAAA
172.67.209.24104.21.58.2232606:4700:3037::6815:3adf2606:4700:3034::ac43:d118
Cloudflareserves the site
NS
olivia.ns.cloudflare.compeyton.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
_dc-mx.0880a28827bd.econtheory.org
unattributedreceives its email
TLS
econtheory.org
Google Trust Servicesissued its certificate
DNS Records
A 2
172.67.209.24104.21.58.223
AAAA 2
2606:4700:3037::6815:3adf2606:4700:3034::ac43:d118
MX 1
5_dc-mx.0880a28827bd.econtheory.org
TXT 3
google-site-verification=aB8sODoxBWouAWIvedZCRi2ySJjs963vW_RSN3PdOvwv=spf1 +a +mx include:_spf.createsend.com ~allv=DMARC1; p=quarantine; rua=mailto:dmarc@econtheory.com
NS 2
olivia.ns.cloudflare.compeyton.ns.cloudflare.com
SOA 1
olivia.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
econtheory.org |
C=US, O=Google Trust Services, CN=WE1 | Mon, 05 Oct 2026 10:29:29 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +0000 |
Subdomains (2)
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_fe07cdbe5ffdcb84- Output Hash
ee692bb366936474e9bf5ec01bceebab0c8405303f19994aa2849f15d22d2ad6- Signature
ed25519:cf94050c6bf299e97cc7cff1cce829d62dbeef5312d6c0cc257465a6e89759d8c32f597c1581c7b61e7de93f25d870bbef87ba9ccf7b500d9ec46b56ef556c0f- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast