kalisch-systems.de
Observed Aug 16, 2026, 08:55 UTC (17h 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
Let's EncryptAlso usesAppleDuo SecurityMicrosoft 365
Apple
Duo Security
Microsoft 3652 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for kalisch-systems.de in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.
INFRASTRUCTURE MAPwhat kalisch-systems.de actually stands on - every host below is a signed observation
kalisch-systems.de
A / AAAA
148.251.135.16
unattributedserves the site
NS
b.ns14.neta.ns14.netd.ns14.netc.ns14.net
ns14.netanswers its DNS
MX
mx1.kalisch-systems.demail2.gittinger.demx2.kalisch-systems.de
kalisch-systems.de + gittinger.dereceives its email
TLS
www.kalisch-systems.de
Let's Encryptissued its certificate
DNS Records
A 1
148.251.135.16
MX 3
10mx1.kalisch-systems.de100mail2.gittinger.de20mx2.kalisch-systems.de
TXT 5
apple-domain-verification=HS3N6paQZ1yBh6CAduo_sso_verification=7TImpkMSWbp2TjISH5f7ao5qQhjGn47AJ0hobDcBtNO2s1WhHdpAPi7n7SYw32Uebe6te5a817pa7k6dtn7u0l0576MS=ms38417361v=spf1 include:spf.mailjet.com a mx ip4:109.90.29.238 ip4:178.15.121.125 include:_spf.gittinger.de -all
NS 4
b.ns14.neta.ns14.netd.ns14.netc.ns14.net
SOA 1
a.ns14.net hosting.gittinger.de
DMARC_RECORDS 1
v=DMARC1; p=reject
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.kalisch-systems.de |
C=US, O=Let's Encrypt, CN=YR2 | Sun, 18 Oct 2026 04:10:22 +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 (2)
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_460a9155f48f8e53- Output Hash
23291eb1de217f09b78057ce39065a56bd7f725fa2b3c8778284aeeb16a12350- Signature
ed25519:fe0d8e9a618aa9a28f1bc122168a013c3e4c8fbbc12aabf8e54f590c17f521d65c7584cde7f9382cc95d66d31139eb119dd62e91ccd1a228369a1bcbf5224206- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast