CONTINUOUS INTERNET TELEMETRY24H DRIFT1,270 material changesacross 1,097 domains · -808 vs yesterdayDNS DRIFT8 domains changed DNS providertop destination alidns.com · -7 vs yesterdayCERT DRIFT12 domains switched issuing CA24h · -34 vs yesterdayNOW2,249 curated domains not answering+1,123 vs yesterdayERRORS15,421 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED39,498 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT1,270 material changesacross 1,097 domains · -808 vs yesterdayDNS DRIFT8 domains changed DNS providertop destination alidns.com · -7 vs yesterdayCERT DRIFT12 domains switched issuing CA24h · -34 vs yesterdayNOW2,249 curated domains not answering+1,123 vs yesterdayERRORS15,421 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED39,498 throttled or blocked our scanner429 rate-limit / 403 bot-block

discoverfinancial.com

Observed Jul 18, 2026, 12:02 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onAkamai Technologies
Email byProofpoint
Secured byDigiCert
Registered withCSC Corporate Domains, Inc.
3 subdomains · fortune_500
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat discoverfinancial.com actually stands on - every host below is a signed observation
discoverfinancial.com
A / AAAA
23.209.58.69
Akamai Technologiesserves the site
NS
a1-23.akam.neta3-64.akam.neta4-64.akam.neta5-67.akam.net+2 more
akam.netanswers its DNS
MX
mxa-001d7a03.gslb.pphosted.commxb-001d7a03.gslb.pphosted.com
Proofpointreceives its email
TLS
www.discovercard.com
DigiCert Incissued its certificate

DNS Records

A 1

  • 23.209.58.69

MX 2

  • 10mxa-001d7a03.gslb.pphosted.com
  • 10mxb-001d7a03.gslb.pphosted.com

TXT 5

  • _5qde0lhahl40om95kn4l4hc87o1bg85
  • _gxt8bzbwnwevgxqqpmy75nh9pnfy2d7
  • _p89901c6mlff4qhiudig76ld2nwtkhw
  • v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
  • v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email

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 NameIssuerExpires
www.discovercard.com C=US, O=DigiCert Inc, CN=DigiCert EV RSA CA G2 Fri, 18 Sep 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 (3)

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

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

Ed25519 Receipt

Receipt ID
d85d0950-a3a9-4809-ad11-aca68736a6aa
Output Hash
88f460b66e5b710325a9df36a35ef2ebeb1fd12795127de9dba5ab23eafa093a
Signature
ed25519:e9f537a1f0bc01bdeb032c3ecca6994e727ae7877a2fbc494fcd64b2b9c9e2e45be86fe7e3b8104690d66ddb49af61d08d9e757a399ef1d10bab9c427e5d3409
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser