spectrum.ieee.org

Observed 2026-07-12T20:46:15.998145379+00:00 (4h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onFastly

Secured byGlobalSign

push_legacy

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

INFRASTRUCTURE MAPwhat spectrum.ieee.org actually stands on - every host below is a signed observation

spectrum.ieee.org

A / AAAA

151.101.1.91151.101.65.91151.101.129.91151.101.193.91

Fastlyserves the site

TLS

spectrum.ieee.org

GlobalSign nv-saissued its certificate

DNS Records

A 4

151.101.1.91
151.101.65.91
151.101.129.91
151.101.193.91

TXT 1

v=DMARC1; p=none; rua=mailto:0tayqma5@ag.dmarcian.com; adkim=r; aspf=r; pct=10

CNAME 1

spectrum.ieee.org.cdn.rebelmouse.com

TLS Certificates (2)

Common Name	Issuer	Expires
`spectrum.ieee.org`	C=BE, O=GlobalSign nv-sa, CN=GlobalSign Atlas R3 DV TLS CA 2026 Q2	Thu, 07 Jan 2027 09:01:37 +0000
`GlobalSign Atlas R3 DV TLS CA 2026 Q2`	2.5.4.11=GlobalSign Root CA - R3, O=GlobalSign, CN=GlobalSign	Fri, 21 Jan 2028 00:00:00 +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 receipt

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

<a href="https://domaindrift.io/t/spectrum.ieee.org">
  <img src="https://domaindrift.io/badge/spectrum.ieee.org.svg"
       width="300" height="64" alt="Connor signed observations for spectrum.ieee.org">
</a>

Ed25519 Receipt

Receipt ID: f90341d3-5416-45d5-9e16-bd0cf3a3a33d
Output Hash: 0cc3eabb4910dc61dcca223ef3d712e6e77ad11ebc35a24e5cfedc3fd2538c83
Signature: ed25519:f0aa976f885021a8ed8df62bddb13b590ff3a64619ec20fedd8c55b3dc1a2dd601d50fd7c7c95fd1c00d0858707377e23cac98b71631a0c7f5c29128e8202c0f
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/spectrum.ieee.org