lettersandscience.net
Observed Aug 11, 2026, 12:03 UTC (19h 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
majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat lettersandscience.net actually stands on - every host below is a signed observation
lettersandscience.net
A / AAAA
155.138.220.86
unattributedserves the site
NS
ns39.domaincontrol.comns40.domaincontrol.com
domaincontrol.comanswers its DNS
TLS
lettersandscience.net
Let's Encryptissued its certificate
DNS Records
A 1
155.138.220.86
NS 2
ns39.domaincontrol.comns40.domaincontrol.com
SOA 1
ns39.domaincontrol.com dns.jomax.net
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
lettersandscience.net |
C=US, O=Let's Encrypt, CN=YR1 | Mon, 21 Sep 2026 06:36:16 +0000 |
YR1 |
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 (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_0c5f77cad853f799- Output Hash
299f150c3673185b51f5cabcbd96c62fe1e5196030541c418dbff3876c31400c- Signature
ed25519:ebbc24b25032b841e86612ba7604241fb318168ee801ffd50c9de3b4911b76dbbc2fc15f2340827cbb50a0d50e577260eac085560e3dcbbdf88a5b3118af2108- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast