mentor-verlag.de
Observed Aug 16, 2026, 08:34 UTC (15h 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
CloudflareEmail byMailchimp
MailchimpSecured byLet's Encrypt
Let's EncryptAlso usesGoogle Search Console
Google Search Consoledomcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat mentor-verlag.de actually stands on - every host below is a signed observation
mentor-verlag.de
A / AAAA
172.67.168.79104.21.94.136
Cloudflareserves the site
NS
jo.ns.cloudflare.comterry.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mxlb.ispgateway.de
Mailchimpreceives its email
TLS
mentor-verlag.de
Let's Encryptissued its certificate
DNS Records
A 2
172.67.168.79104.21.94.136
MX 1
100mxlb.ispgateway.de
TXT 2
google-site-verification=AQVf2dRR5COKls-2Ec-443zY1Ki8icgBW2KYdH1p67Ev=spf1 include:_spf.elasticemail.com include:servers.mcsv.net ~all
NS 2
jo.ns.cloudflare.comterry.ns.cloudflare.com
SOA 1
jo.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
mentor-verlag.de |
C=US, O=Let's Encrypt, CN=YE2 | Tue, 27 Oct 2026 14:47:33 +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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_f01c3b8ef86d8f13- Output Hash
acc52743f1f0dc156a4602927ed8ba3f2da872756f6940ad0f29cb910f1f76d3- Signature
ed25519:7103641c8c08c30fba03a17fc8f7f50ee3aa6f3c7d16005f6b00b5ba120d65350fb51c98a9e57d37d03693d4633d73ce93d1d99b89da6cb5ab52b539e7d10d0e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast