reactivesystems.eu
Observed Aug 16, 2026, 18:07 UTC (6h 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 byGoogle Workspace
Google WorkspaceSecured byGoogle Trust Services
Google Trust ServicesAlso usesGoogle Search Console
Google Search ConsoleIPv6 · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for reactivesystems.eu in the last day; this reading matches the one before it. That steadiness is itself a signed result, not a gap in one. Watch it to catch the next move the moment it lands.
INFRASTRUCTURE MAPwhat reactivesystems.eu actually stands on - every host below is a signed observation
reactivesystems.eu
A / AAAA
104.21.85.70172.67.203.292606:4700:3031::ac43:cb1d2606:4700:3036::6815:5546
Cloudflareserves the site
NS
dayana.ns.cloudflare.comotto.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
ASPMX.L.GOOGLE.COMASPMX2.GOOGLEMAIL.COMASPMX3.GOOGLEMAIL.COMASPMX4.GOOGLEMAIL.COM+3 more
Google Workspacereceives its email
TLS
reactivesystems.eu
Google Trust Servicesissued its certificate
DNS Records
A 2
104.21.85.70172.67.203.29
AAAA 2
2606:4700:3031::ac43:cb1d2606:4700:3036::6815:5546
MX 7
1ASPMX.L.GOOGLE.COM10ASPMX2.GOOGLEMAIL.COM10ASPMX3.GOOGLEMAIL.COM10ASPMX4.GOOGLEMAIL.COM10ASPMX5.GOOGLEMAIL.COM5ALT1.ASPMX.L.GOOGLE.COM5ALT2.ASPMX.L.GOOGLE.COM
TXT 2
google-site-verification=KXonGPdkM3VqTc5r4pcOZlr-SM38IhHtozK0SZU28GIv=spf1 include:_spf.google.com ~all
NS 2
dayana.ns.cloudflare.comotto.ns.cloudflare.com
SOA 1
dayana.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
reactivesystems.eu |
C=US, O=Google Trust Services, CN=WE1 | Fri, 25 Sep 2026 07:43:56 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +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_09b48253c202b41d- Output Hash
720c8c272c6c8f8c3d32b71255c230eb22bec7136b849cc5fcf4e72ecb470de9- Signature
ed25519:f048b3a6ce3c4817d5f46acb024f472fcef63ca38c599b8f2b495df1833e08d8911cf6cb7cff005b2ec623f7e05e222a2a7e37211d0e2f52275203f645359907- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast