firstduesizeup.com
Observed Jul 18, 2026, 14:05 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byMicrosoft 365
Secured byGoogle Trust Services
Registered withGoDaddy.com, LLC
tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat firstduesizeup.com actually stands on - every host below is a signed observation
firstduesizeup.com
A / AAAA
198.202.211.1
Cloudflareserves the site
NS
ns-203.awsdns-25.comns-818.awsdns-38.netns-1402.awsdns-47.orgns-1870.awsdns-41.co.uk
awsdns-25.com + awsdns-38.net + moreanswers its DNS
MX
firstduesizeup-com.mail.protection.outlook.com
Microsoft 365receives its email
TLS
firstduesizeup.com
Google Trust Servicesissued its certificate
DNS Records
A 1
198.202.211.1
MX 1
10firstduesizeup-com.mail.protection.outlook.com
TXT 2
v=spf1 mx a ip4:3.221.28.49 ip4:54.240.69.191 include:spf.protection.outlook.com include:zcsend.net include:spf-us.emailsignatures365.com -allv=DMARC1; p=quarantine; fo=1
NS 4
ns-203.awsdns-25.comns-818.awsdns-38.netns-1402.awsdns-47.orgns-1870.awsdns-41.co.uk
SOA 1
ns-818.awsdns-38.net awsdns-hostmaster.amazon.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
firstduesizeup.com |
C=US, O=Google Trust Services, CN=WE1 | Thu, 01 Oct 2026 17:31:10 +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
24110c8b-6c09-489b-aa68-b322ba7db505- Output Hash
dc4eb848566ed01a7bfd0c4c113a8012c259a031662b571e8a52f5ae71973035- Signature
ed25519:7697f7a8bf2babfa4ebcc020358fd3b3217c53500e5c51803b962c3fc1f1b2a00c99449ccaf9276dc0d233767676a80552bb22a8a7e6f0238192b6e63e7ff30e- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast