expert.de
Observed Jul 18, 2026, 13:46 UTC (3d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byMicrosoft 365
Secured byDigiCert
Also usesGoogle Search Console
tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat expert.de actually stands on - every host below is a signed observation
expert.de
A / AAAA
34.149.239.29
Cloudflareserves the site
NS
dns017.arvato-systems.dens1.arvato-systems.dens2.arvato-systems.dedns009.arvato-systems.de
arvato-systems.deanswers its DNS
MX
expert-de.mail.protection.outlook.com
Microsoft 365receives its email
TLS
*.expert.de
DigiCert Incissued its certificate
DNS Records
A 1
34.149.239.29
MX 1
0expert-de.mail.protection.outlook.com
TXT 8
v=spf1 include:spf.protection.outlook.com include:servicemail24.de include:email.prnewswire.com include:expert-spf.de ip4:217.9.56.142 ip4:37.131.242.31 ip4:51.137.107.29 ip4:62.138.244.208/28 ip4:195.244.236.4 ip4:84.17.160.244 ip4:116.202.66.60 ip4:92.51.147.98 ip4:37.131.244.24 ip4:37.131.244.22 ip4:37.131.244.23 ip4:193.159.177.126 -allnrzjqy8f61f0r14ctsnp35rj0z89j2clMS=ms76532802sophos-domain-verification=02e9c25e7945745b46feb106b45cccf05c21b38f886e5c126bd63ddf22c73578google-site-verification=3bUg5Ro2-kGYFAz1Aef4ZBpqwbyfXgPS2rTVQ7akjjocdxd44mfn8hz4z9wbhwsxm05tfbq0927apple-domain-verification=C0hc8ZuDjr2xgbf1v=DMARC1;p=none;sp=none;rua=mailto:dmarc@expert.de; ruf=mailto:dmarc@expert.de
NS 4
dns017.arvato-systems.dens1.arvato-systems.dens2.arvato-systems.dedns009.arvato-systems.de
SOA 1
ns1.arvato-systems.de hostmaster.bnic.bertelsmann.de
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.expert.de |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=GeoTrust TLS RSA CA G1 | Wed, 02 Dec 2026 23:59:59 +0000 |
GeoTrust TLS RSA CA G1 |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 | Tue, 02 Nov 2027 12:23:37 +0000 |
DigiCert Global Root G2 |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 | Fri, 15 Jan 2038 12:00:00 +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
e07127fa-e76d-474c-93b0-21f5e0843c7d- Output Hash
354cb7f157117732ce9ecd32142fc216601939c25350cee61cda20c36159e52f- Signature
ed25519:3a9234c6a478b48e0434503f02ffa3331fbc7e9a3449fb246e26dc07c1b82e551e08c70d499aee3c9bfad74ecee35a61ac3883effeecd76de561831297c4e405- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast