amex.com
Observed Jul 24, 2026, 09:52 UTC (14h 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 byDigiCert
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat amex.com actually stands on - every host below is a signed observation
amex.com
A / AAAA
104.16.132.18104.16.133.18104.16.134.18104.16.130.18+1 more
Cloudflareserves the site
NS
dns1.p03.nsone.netdns2.p03.nsone.netdns3.p03.nsone.netdns4.p03.nsone.net+4 more
nsone.net + ultradns.biz + moreanswers its DNS
TLS
amex.com
DigiCert Incissued its certificate
DNS Records
A 5
104.16.132.18104.16.133.18104.16.134.18104.16.130.18104.16.131.18
TXT 3
v=spf1 -allMS=ms13038803_d6k0g1k8t6f9lhqc2sv2oowwncc22g6
NS 8
dns1.p03.nsone.netdns2.p03.nsone.netdns3.p03.nsone.netdns4.p03.nsone.netedns1.ultradns.bizedns1.ultradns.comedns1.ultradns.netedns1.ultradns.org
SOA 1
edns1.ultradns.com prodsupport-dns.theice.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
amex.com |
C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1 | Sun, 31 Jan 2027 23:59:59 +0000 |
DigiCert Global G2 TLS RSA SHA256 2020 CA1 |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 | Mon, 23 Sep 2030 23:59:59 +0000 |
DigiCert Global Root G2 |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root CA | Sun, 09 Nov 2031 23:59:59 +0000 |
Subdomains (1)
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_ea1c4ccc6b213375- Output Hash
63ebccef5d82873f8ff8bbda52f2b82538c6427101111a4ea1df600795ba9c38- Signature
ed25519:53a9e569809d98485d4a73766273ab634d002abd3866361a4f1aafa22e310f1d93a45bdac5efc8265a9f72b71321d5f95a418857a07d69a7f3533a5f15d75a03- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast