arcd.de
Observed Jul 28, 2026, 07:13 UTC (12h 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
IPv6 · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat arcd.de actually stands on - every host below is a signed observation
arcd.de
A / AAAA
116.202.183.562a01:4f8:1c0c:a082::
2a01serves the site
NS
ns1.nodesecure.comns2.nodesecure.de
nodesecure.com + nodesecure.deanswers its DNS
MX
mx01.hornetsecurity.commx02.hornetsecurity.commx03.hornetsecurity.commx04.hornetsecurity.com
hornetsecurity.comreceives its email
TLS
arcd.de
Let's Encryptissued its certificate
DNS Records
A 1
116.202.183.56
AAAA 1
2a01:4f8:1c0c:a082::
MX 4
10mx01.hornetsecurity.com20mx02.hornetsecurity.com30mx03.hornetsecurity.com40mx04.hornetsecurity.com
TXT 7
MS=ms88321163brevo-code:b6f3f7d594e106e6f097388578ea3bd3Sendinblue-code:b6f3f7d594e106e6f097388578ea3bd3RWLnjyyXKkDB9nV9ypPtOUZxqwOTKrvP9urlmJZdbbqNXcQuLVGeTqe4pk4/IAGwkh2ghTsWC2fVZrRCddg8lg==v=spf1 mx a:arcd-web01.portformance.com ip4:217.29.40.143 ip4:93.240.149.187 ip6:2a00:b580:8000:12:8c0d:eeb8:9195:7c8d include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf.hornetsecurity.com include:_spf.psm.knowbe4.com -allv=DMARC1; p=reject; rua=mailto:dmarc+aggregated@reports.nicmanager.net;v=STSv1; id=1747306037;
NS 2
ns1.nodesecure.comns2.nodesecure.de
SOA 1
ns1.nodesecure.com administrator.arcd.de
SRV 1
autodiscover.arcd.de:443 p10
CAA 7
issue "amazon.com"issue "amazonaws.com"issue "amazontrust.com"issue "awstrust.com"issue "godaddy.com"issue "letsencrypt.org"issue "sectigo.com"
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
arcd.de |
C=US, O=Let's Encrypt, CN=YE2 | Fri, 23 Oct 2026 11:40:32 +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 (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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_933fcaf7d1385790- Output Hash
f95ad19a0579849ca5f69943af4da58626ccf458bfc6bcd1e08114674fdaa609- Signature
ed25519:217e48350eb13a8eee83981337783e9721a3b0f5b02950c5b53ba21827c8d3cb89d88c64f2c19b968945de12043f512110f5a3adaed969864df45068f15f920d- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast