mastercard.ch

Observed Aug 16, 2026, 08:12 UTC (12h 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.

Guarded by a firewall
Email byProofpoint
Secured byDigiCert
Also usesFacebook/Meta
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat mastercard.ch actually stands on - every host below is a signed observation
mastercard.ch
A / AAAA
23.0.249.190
unattributedserves the site
NS
a7-67.akam.netdns1.mastercard.coma26-66.akam.netdns2.mastercard.com+3 more
akam.net + mastercard.comanswers its DNS
MX
mxb-00078002.gslb.pphosted.commxa-00078002.gslb.pphosted.com
Proofpointreceives its email
TLS
www.mastercard.com
DigiCert Incissued its certificate

DNS Records

A 1

  • 23.0.249.190

MX 2

  • 10mxb-00078002.gslb.pphosted.com
  • 10mxa-00078002.gslb.pphosted.com

TXT 2

  • v=spf1 include:deliverygateways.mastercard.com ~all
  • facebook-domain-verification=tsvdrih6bbr6z6hbiq4w8ukrj8bnro

NS 7

  • a7-67.akam.net
  • dns1.mastercard.com
  • a26-66.akam.net
  • dns2.mastercard.com
  • a18-64.akam.net
  • a9-64.akam.net
  • a22-65.akam.net

SOA 1

  • dns1.mastercard.com hostmaster.mastercard.com

DMARC_RECORDS 1

  • v=DMARC1;p=reject;fo=1;rua=mailto:dmarc_rua@emaildefense.proofpoint.com;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

TLS Certificates (2)

Common NameIssuerExpires
www.mastercard.com C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1 Tue, 09 Feb 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 Sat, 29 Mar 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; the only network request the check makes is for the published public keys.

Verify this receipt

Ed25519 Receipt

Receipt ID
rcpt_ac27b3b230a9663e
Output Hash
281d052733564af6562564951cda495a40499b072009ae941340ceea197d4f86
Signature
ed25519:4a97f8f097af10a5ed2e5f69cc3d1b7505a3c717b293eb91f54621fd9331a06ccf4fe51c4dc1c5544a3e4016ac87c5ffb8f52c987b243965e25844c18d948201
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT39,710 material changesacross 37,679 domains · 24h to ~2h ago · -1,849 vs yesterdayROTATION66 domains moved DNS from magpiedns.com to koaladns.com, 66 moved backa rotation loop, not a migration · 24hEMAIL DRIFT3 domains switched email provider24hNOW595 curated domains not reachable+100 vs yesterdaySITE ERRORS35,880 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,382 sites429 rate-limit / 403 bot-block, a posture signal