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.com10mxa-00078002.gslb.pphosted.com
TXT 2
v=spf1 include:deliverygateways.mastercard.com ~allfacebook-domain-verification=tsvdrih6bbr6z6hbiq4w8ukrj8bnro
NS 7
a7-67.akam.netdns1.mastercard.coma26-66.akam.netdns2.mastercard.coma18-64.akam.neta9-64.akam.neta22-65.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 Name | Issuer | Expires |
|---|---|---|
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 receiptEd25519 Receipt
- Receipt ID
rcpt_ac27b3b230a9663e- Output Hash
281d052733564af6562564951cda495a40499b072009ae941340ceea197d4f86- Signature
ed25519:4a97f8f097af10a5ed2e5f69cc3d1b7505a3c717b293eb91f54621fd9331a06ccf4fe51c4dc1c5544a3e4016ac87c5ffb8f52c987b243965e25844c18d948201- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast