sander.io
Observed Aug 16, 2026, 10:08 UTC (23h 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
Email byProtonMail
ProtonMailSecured byLet's Encrypt
Let's EncryptRegistered toAppcraft
Registered withGANDI SAS
Also usesProton Mail
IPv6 · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for sander.io in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.
INFRASTRUCTURE MAPwhat sander.io actually stands on - every host below is a signed observation
sander.io
A / AAAA
159.195.39.542a0a:4cc0:c1:76eb:18ef:c9ff:fe66:a5cb
2a0aserves the site
NS
ns2.digitalocean.comns3.digitalocean.comns1.digitalocean.com
digitalocean.comanswers its DNS
MX
mailsec.protonmail.chmail.protonmail.ch
ProtonMailreceives its email
TLS
sander.io
Let's Encryptissued its certificate
DNS Records
A 1
159.195.39.54
AAAA 1
2a0a:4cc0:c1:76eb:18ef:c9ff:fe66:a5cb
MX 2
20mailsec.protonmail.ch10mail.protonmail.ch
TXT 2
v=spf1 include:_spf.protonmail.ch ~allprotonmail-verification=e79f96754461030788c096861089d26c81e6b08e
NS 3
ns2.digitalocean.comns3.digitalocean.comns1.digitalocean.com
SOA 1
ns1.digitalocean.com hostmaster.sander.io
DMARC_RECORDS 1
v=DMARC1; p=quarantine;
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
sander.io |
C=US, O=Let's Encrypt, CN=YR2 | Fri, 13 Nov 2026 08:29:31 +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 (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_ace4982b63a3ed64- Output Hash
945d9f7ad17e822cf42cfca1b9e43b4d1cf1f23ed2f151f280a865094028f1e8- Signature
ed25519:8d95f700263f653f6026b9b00499ed1768f0c8fd02218e78b5e891885ddcc51b7448c4388b4b3ab45a7b95318ab68c8d40e283d2ec773d15b557dc93a5d0f903- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast