learning-history.com
Observed Aug 11, 2026, 05:48 UTC (13h 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 byLet's Encrypt
Also usesGoogle Search Console
2 subdomains · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat learning-history.com actually stands on - every host below is a signed observation
learning-history.com
A / AAAA
80.74.152.100
unattributedserves the site
NS
elle.ns.cloudflare.comquincy.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mail.learning-history.com
learning-history.comreceives its email
TLS
learning-history.com
Let's Encryptissued its certificate
DNS Records
A 1
80.74.152.100
MX 1
10mail.learning-history.com
TXT 2
google-site-verification=8ifku93V8PcefhIeX4QhDwDGn7BNXYnTesKJb12bFWkv=spf1 include:_spf.sui-inter.net +mx +a ~all
NS 2
elle.ns.cloudflare.comquincy.ns.cloudflare.com
SOA 1
elle.ns.cloudflare.com dns.cloudflare.com
DMARC_RECORDS 1
v=DMARC1; p=none
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
learning-history.com |
C=US, O=Let's Encrypt, CN=YR2 | Fri, 16 Oct 2026 23:21:03 +0000 |
YR2 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (2)
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_ef8b5cb055249787- Output Hash
a721d867aa5878dd3ddbdc9625b3a0ad87ca870bddf88ffb786c3031cfd5997d- Signature
ed25519:398ef8c587299839ea89f87be71a8c099454959adbd46ed3c7ac485d6209e3f1b8e2317fde5f7a88fbefb7d57f6c10d3c0409d57a7f969713b1781159fdc2d09- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast