dutycalculator.com
Observed Jul 27, 2026, 19:05 UTC (5d 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.
Not responding
Runs onCloudflare
Email byMicrosoft 365
Secured byGoogle Trust Services
IPv6 · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat dutycalculator.com actually stands on - every host below is a signed observation
dutycalculator.com
A / AAAA
172.64.148.100104.18.39.1562a06:98c1:3107::ac40:94642606:4700:4403::6812:279c
Cloudflareserves the site
NS
duke.ns.cloudflare.comgwen.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
dutycalculator-com.mail.protection.outlook.com
Microsoft 365receives its email
TLS
dutycalculator.com
Google Trust Servicesissued its certificate
DNS Records
A 2
172.64.148.100104.18.39.156
AAAA 2
2a06:98c1:3107::ac40:94642606:4700:4403::6812:279c
MX 1
1dutycalculator-com.mail.protection.outlook.com
TXT 3
MS=ms48731804v=spf1 include:spf.protection.outlook.com -allv=DMARC1; p=none; rua=mailto:d1bebbc634794bc1be1799d1233acf49@dmarc-reports.cloudflare.net
NS 2
duke.ns.cloudflare.comgwen.ns.cloudflare.com
SOA 1
duke.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
dutycalculator.com |
C=US, O=Google Trust Services, CN=WE1 | Wed, 30 Sep 2026 13:19:45 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +0000 |
Subdomains (0)
None observed.
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_f4baced7259b0428- Output Hash
b8154de290c0e967a29b97d0a3d1b07e0eed48ce4db77b3045e4bc0727d3081f- Signature
ed25519:21957681139a4a6f08c93a686f7535fea1c8efbed7f647689c2251c71dcf41291d2c34e55758391a833f21864d4df930604d15101aa83fac30bdfeb12445360f- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast