alcoa.com

Observed Jul 24, 2026, 17:43 UTC (15h 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.

Verify this receipt yourself + Watch this domain

Up right now

Runs onMicrosoft Corporation

Email byProofpoint

Secured byGoDaddy.com

Registered withDomainSpot LLC

Also usesDocuSignGoogle Search ConsoleAtlassian

1 subdomain · manufacturing

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

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

alcoa.com

A / AAAA

52.146.50.104

Microsoft Corporationserves the site

edns1.ultradns.bizedns1.ultradns.comedns1.ultradns.netedns1.ultradns.org

ultradns.biz + ultradns.com + moreanswers its DNS

mxa-004a5001.gslb.pphosted.commxb-004a5001.gslb.pphosted.com

Proofpointreceives its email

TLS

alcoa.com

GoDaddy.comissued its certificate

DNS Records

A 1

52.146.50.104

MX 2

10mxa-004a5001.gslb.pphosted.com
10mxb-004a5001.gslb.pphosted.com

TXT 16

synthesia
apple-domain-verification=4EEIsjeeVGxajAIb
ibmid=be64a127-492b-41d6-a00a-6da455f6106e
docusign=a18f89ac-676b-4ab8-a851-4a52852e8ebd
canva-site-verification=pljywwXDtC4E7I8Vr2EuKA
smartsheet-site-validation=_NcJqELstWb4KTayXZ-FWBy0YeKuZFHr
pendo-domain-verification=58B527AF-F040-47D6-A313-2CDD7B80A811
omnissa-connect-verification-3c9afe91-878b-4fe5-9288-767a8ace7dcb
monday-com-verification=460TVEUXsSHs5Fixiw7NKzDL7U0KJ_REg5xFEVBUlCs
google-site-verification=vHSZVBt3gvJ0TafMd3O3g1r7ggjFJoW4xUWy5LiZzIc

NS 4

edns1.ultradns.biz
edns1.ultradns.com
edns1.ultradns.net
edns1.ultradns.org

SOA 1

edns1.ultradns.biz premiumdns.support.neustar

TLS Certificates (3)

Common Name	Issuer	Expires
`alcoa.com`	C=US, ST=Arizona, L=Scottsdale, O=GoDaddy.com, Inc., 2.5.4.11=http://certs.godaddy.com/repository/, CN=Go Daddy Secure Certificate Authority - G2	Sun, 11 Oct 2026 10:32:28 +0000
`Go Daddy Secure Certificate Authority - G2`	C=US, ST=Arizona, L=Scottsdale, O=GoDaddy.com, Inc., CN=Go Daddy Root Certificate Authority - G2	Sat, 03 May 2031 07:00:00 +0000
`Go Daddy Root Certificate Authority - G2`	C=US, ST=Arizona, L=Scottsdale, O=GoDaddy.com, Inc., CN=Go Daddy Root Certificate Authority - G2	Thu, 31 Dec 2037 23:59:59 +0000

Subdomains (1)

www.alcoa.com

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 alcoa.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_83b8a21d06526cf8
Output Hash: 55aba8be1d38092c11aa5189f9f55c7b4c96008b7cd0d02ff68ed2cced255042
Signature: ed25519:642cfcd1fc6aa80992e7b95b7e11b59ca1813a023f98ca21c084fa34fb8bb512bc15a6391ef2a348c9d7b17d01b920d8b95ffd108655c10e6471c0844a4fc505
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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