aqua-institut.de
Observed Jul 25, 2026, 23:06 UTC (7d 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
Runs onCloudflare
Email byMicrosoft 365
Secured byLet's Encrypt
Also usesGoogle Search Console
IPv6 · 4 subdomains · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat aqua-institut.de actually stands on - every host below is a signed observation
aqua-institut.de
A / AAAA
141.101.90.104141.101.90.105141.101.90.106141.101.90.107+4 more
Cloudflareserves the site
NS
heidi.ns.cloudflare.comtadeo.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aquainstitut-de01b.mail.protection.outlook.com
Microsoft 365receives its email
TLS
aqua-institut.de
Let's Encryptissued its certificate
DNS Records
A 4
141.101.90.104141.101.90.105141.101.90.106141.101.90.107
AAAA 4
2a06:98c1:3200::90:802a06:98c1:3200::90:812a06:98c1:3200::90:822a06:98c1:3200::90:83
MX 1
0aquainstitut-de01b.mail.protection.outlook.com
TXT 8
MS=ms67551985MS=40F5CE219A4B056B32E76EBBE6966C30B18B81ACbrevo-code:d5a0eb303033894af9cb9e4fca411c50google-site-verification=h29P9wl-qNY299ZRE7a9BwOOFuXUQfVHifbIE5ZCx_gsophos-domain-verification=6cf093fbf223fb9dcb5dddff7dc920ef1ba4cd2b4b1bd5549167bb1aace04ff7adobe-idp-site-verification=6261a327298e8cd5b6dca719cbe8b670c4bbf9a754ad33d6348c5836bf48c7d4v=spf1 include:spf.protection.outlook.com ip4:159.69.66.48 ip4:81.20.113.130 ip4:80.156.22.131 -allv=DMARC1; p=none; sp=none; fo=1; ri=3600; rua=mailto:b6a4c198157242b0ad9a49515895c2cd@dmarc-reports.cloudflare.net
NS 2
heidi.ns.cloudflare.comtadeo.ns.cloudflare.com
SOA 1
heidi.ns.cloudflare.com dns.cloudflare.com
CAA 10
issue "comodoca.com"issue "digicert.com; cansignhttpexchanges=yes"issue "letsencrypt.org"issue "pki.goog; cansignhttpexchanges=yes"issue "ssl.com"issuewild "comodoca.com"issuewild "digicert.com; cansignhttpexchanges=yes"issuewild "letsencrypt.org"issuewild "pki.goog; cansignhttpexchanges=yes"issuewild "ssl.com"
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
aqua-institut.de |
C=US, O=Let's Encrypt, CN=YE2 | Sun, 20 Sep 2026 16:48:45 +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 (4)
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_b933e12887552a32- Output Hash
696a1013549512ba58fd5b85b28246ef5f3809d0fa2bbedbac3c9be88de36e8f- Signature
ed25519:bd673612f362f5994c9a313f9b62bd5f6c65a8106185377218a68df464f64a3a9b362fba11fdfbe81672fbafecd8bdb442e6f17f0d37052565aed961553c970e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast