bigstufflearning.com
Observed Aug 12, 2026, 05:58 UTC (7h 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.
Up right now
Runs onGoogle
GoogleSecured byLet's Encrypt
Let's EncryptRegistered withWorld4You Internet Services GmbH
Also usesGoogle Search ConsoleReplit
Google Search Console
Replitdomcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat bigstufflearning.com actually stands on - every host below is a signed observation
bigstufflearning.com
A / AAAA
34.111.179.208
Googleserves the site
NS
ns2.world4you.atns1.world4you.at
world4you.atanswers its DNS
MX
mail.bigstufflearning.com
bigstufflearning.comreceives its email
TLS
bigstufflearning.com
Let's Encryptissued its certificate
DNS Records
A 1
34.111.179.208
MX 1
10mail.bigstufflearning.com
TXT 4
google-site-verification=R0Kt_jV76Z8PMu9_yM65oEK3Pron2E9HfQZIg4rsQ7sv=spf1 include:spf.mailjet.com mx include:spf.w4ymail.at -allreplit-verify=74f240f4-6e0f-43a2-8473-820093df051dgoogle-site-verification=vq3ohNdoBVqGymPTfkm3ru3ccBmQZ3cuZvb_bVrd0Jo
NS 2
ns2.world4you.atns1.world4you.at
SOA 1
ns1.world4you.at hostmaster.world4you.com
DMARC_RECORDS 1
v=DMARC1;p=none;
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
bigstufflearning.com |
C=US, O=Let's Encrypt, CN=YE2 | Fri, 28 Aug 2026 19:34:33 +0000 |
YE2 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_43ed80fcd77b1b6d- Output Hash
6b5c8244e79fd2cff0c438719b0c8235b52929d4a156f33d98cf856f0cf9f1c4- Signature
ed25519:c1719ee9891463bb35052551ab40d16c589361e106ac59b4cbcf4bc1c0f3036ff1dd9cf9a9822711f6ed3fc15e22bb466e764a8c5269bb7a8e65dcf0fd1e6500- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast