discovercard.com

Observed 2026-07-17T14:13:26.610793634+00:00 (12h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onAkamai Technologies

Secured byDigiCert

Registered withCSC Corporate Domains, Inc.

Also usesGoogle Search Console

2 subdomains · tranco_40k

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

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

discovercard.com

A / AAAA

23.9.178.86

Akamai Technologiesserves the site

a1-23.akam.neta3-64.akam.neta4-64.akam.neta5-67.akam.net+2 more

akam.netanswers its DNS

mx01.ca.us.prserv.netmx01.ny.us.prserv.netdnsr1.discovercard.commailgw01.discovercard.com+2 more

prserv.net + discovercard.comreceives its email

TLS

www.discover.com

DigiCert Incissued its certificate

DNS Records

A 1

23.9.178.86

MX 6

0mx01.ca.us.prserv.net
0mx01.ny.us.prserv.net
10dnsr1.discovercard.com
20mailgw01.discovercard.com
30mail.discovercard.com
30mailstage.discovercard.com

TXT 8

_sr3iwgxc0wbtkto5sgmo21yfgy2d1f0
_tcpcan4p73hhyjjq8emf09kuli38ro4
_tqtj9pwdgslen5n5cscyu7rcza60qkf
_xo98tmcpam61ti064bdv3qd44i8mlo9
_y820uea7ygn17h8ykjsw320ce8h75ji
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
google-site-verification=MjwWCyt1CCJmrvqs-e5rmGYLBB9RKcxFSPyGbKqC8Vw
v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc_agg@vali.email,mailto:dmarc_agg@auth.returnpath.net; ruf=mailto:dmarc_afrf@auth.returnpath.net; rf=afrf

NS 6

a1-23.akam.net
a3-64.akam.net
a4-64.akam.net
a5-67.akam.net
a6-65.akam.net
a8-66.akam.net

SOA 1

a1-23.akam.net techadmin.discover.com

TLS Certificates (2)

Common Name	Issuer	Expires
`www.discover.com`	C=US, O=DigiCert Inc, CN=DigiCert EV RSA CA G2	Thu, 13 Aug 2026 23:59:59 +0000
`DigiCert EV RSA CA G2`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2	Tue, 02 Jul 2030 12:42:50 +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 receipt

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

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

Ed25519 Receipt

Receipt ID: df279cb8-0834-466f-a4be-b01818e26ea6
Output Hash: 0010b41f5c0f09fd4a4d391305b1e7164eb8bb529de8c65a22c4dec0382f8b33
Signature: ed25519:dcb6c33ea5929da0be22b6bcd3341203d326359ebd3bcdea8782df7f9846853d151139be6f6c2a307979cef60be4f8c8aebd4978a09f7680b6083ce7f7c65506
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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