retsch.com
Observed Jul 28, 2026, 15:43 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
Email byMicrosoft 365
Secured byLet's Encrypt
3 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat retsch.com actually stands on - every host below is a signed observation
retsch.com
A / AAAA
195.201.248.4
unattributedserves the site
NS
ns1a.dodns.netns2a.dodns.net
dodns.netanswers its DNS
MX
retsch-com.mail.protection.outlook.com
Microsoft 365receives its email
TLS
www.retsch.com
Let's Encryptissued its certificate
DNS Records
A 1
195.201.248.4
MX 1
10retsch-com.mail.protection.outlook.com
TXT 6
linkedin-site-verification=8d0dd23b-2f41-4e24-a6bf-c702897f081csPZR9HKFzY5wJWgw1CmBPGTS+evfZ6hpGFXueHwSiy+9q4x1U26e6H/s6omBDuZWmzOW5zG...MS=ms18114479MS=ms30105304v=spf1 ip4:195.234.123.236 ip4:92.79.96.26 include:spf.protection.outlook.com ip4:188.40.16.143 include:spf.exclaimer.net -allv=DMARC1; p=quarantine; sp=quarantine; rua=mailto:5426da0b@mxtoolbox.dmarc-report.com,mailto:rua@web.verder-scientific.com; ruf=mailto:5426da0b@forensics.dmarc-report.com,mailto:ruf@web.verder-scientific.com;pct=100
NS 2
ns1a.dodns.netns2a.dodns.net
SOA 1
ns1a.dodns.net webadmin.verder-scientific.com
CAA 4
issue "digicert.com"issue "sectigo.com"issue "godaddy.com"issue "letsencrypt.org"
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.retsch.com |
C=US, O=Let's Encrypt, CN=YR2 | Mon, 07 Sep 2026 07:33:57 +0000 |
YR2 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (3)
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_72bda6a11b1de574- Output Hash
e397791cc979aa397b0832751bf7b7ccb917df9b9bea6cce68b917c15cf8a72a- Signature
ed25519:a562434379ce583410819088042e653cf405eaafc866db1387fb65abbddf7ac464819abe9436bd7e674e7b0dd296813a1fc190f449d5e1538dcc45a5c216890d- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast