dynamicgeometry.com
Observed Jul 27, 2026, 15:14 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.
Up right now
Secured byAmazon
3 subdomains · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat dynamicgeometry.com actually stands on - every host below is a signed observation
dynamicgeometry.com
A / AAAA
108.138.85.63108.138.85.17108.138.85.88108.138.85.95
unattributedserves the site
NS
ns-128.awsdns-16.comns-1472.awsdns-56.orgns-1650.awsdns-14.co.ukns-605.awsdns-11.net
awsdns-16.com + awsdns-56.org + moreanswers its DNS
TLS
sketchpad.keycurriculum.com
Amazonissued its certificate
DNS Records
A 4
108.138.85.63108.138.85.17108.138.85.88108.138.85.95
TXT 2
v=spf1 -allv=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:mc-graw-hill-education@rua.agari.com; ruf=mailto:mc-graw-hill-education@ruf.agari.com
NS 4
ns-128.awsdns-16.comns-1472.awsdns-56.orgns-1650.awsdns-14.co.ukns-605.awsdns-11.net
SOA 1
ns-128.awsdns-16.com awsdns-hostmaster.amazon.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
sketchpad.keycurriculum.com |
C=US, O=Amazon, CN=Amazon RSA 2048 M01 | Sun, 03 Jan 2027 23:59:59 +0000 |
Amazon RSA 2048 M01 |
C=US, O=Amazon, CN=Amazon Root CA 1 | Fri, 23 Aug 2030 22:21:28 +0000 |
Amazon Root CA 1 |
C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2 | Thu, 31 Dec 2037 01:00:00 +0000 |
Subdomains (3)
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_3e31758bcb449982- Output Hash
50273c478c6ae654e9af6304bf2fba2ac09ba7cf825d4a18abdd9243f8057360- Signature
ed25519:1ad0c092c85076f49d51468f38f259d0b6a764a4dbbe30765560848452ddb06d767dd216be3e18fae9e82ba71aec9836d13da9bfcaefea799decff77167bd404- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast