memo.co.at
Observed Aug 16, 2026, 11:24 UTC (21h 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 byBrevo (Sendinblue)
Brevo (Sendinblue)Secured byLet's Encrypt
Let's EncryptAlso usesMicrosoftSwissSign
Microsoft
SwissSign1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for memo.co.at 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 memo.co.at actually stands on - every host below is a signed observation
memo.co.at
A / AAAA
88.198.212.189
unattributedserves the site
NS
gerald.ns.cloudflare.comlola.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
memo-co-at.gate.seppmail.cloud
Brevo (Sendinblue)receives its email
TLS
memo.co.at
Let's Encryptissued its certificate
DNS Records
A 1
88.198.212.189
MX 1
10memo-co-at.gate.seppmail.cloud
TXT 5
brevo-code:104cf731aab795190385f70d15bbf4cbms-domain-verification=590ffcf0-21f2-4436-ac39-d2f3ba72b5f6ms-domain-verification=b4c853e7-ccaf-4c21-9c8a-f64eb3053768swisssign-check=jX2cEoEIcsoWIz0xVdH3rHIDdhcv=spf1 include:_spf.de.seppmail.cloud include:spf.brevo.com include:spf.protection.outlook.com ~all
NS 2
gerald.ns.cloudflare.comlola.ns.cloudflare.com
SOA 1
gerald.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
memo.co.at |
C=US, O=Let's Encrypt, CN=YE2 | Thu, 15 Oct 2026 18:04:53 +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 (1)
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_70b1efe625cff996- Output Hash
35def07feef65db08183ac33c9d46eb1cdaac8f7419dc29e630c018f92389908- Signature
ed25519:fe6e86ea1d5a9c0eaa5deba7d147e651caf6a847e02e4375d99058d72e18ca1bcadff1124a1b76303afd44f3de3411055a476e847412281417e622390e4c180e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast