castos.com
Observed 2026-07-13T00:18:03.376419272+00:00 (8h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byGoogle Workspace
Secured byGoogle Trust Services
Also usesFacebook/MetaGoogle Search ConsoleHubSpot
IPv6 · push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat castos.com actually stands on - every host below is a signed observation
castos.com
A / AAAA
104.18.8.41104.18.9.412606:4700::6812:8292606:4700::6812:929
Cloudflareserves the site
NS
camilo.ns.cloudflare.comkinsley.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
castos.com
Google Trust Servicesissued its certificate
DNS Records
A 2
104.18.8.41104.18.9.41
AAAA 2
2606:4700::6812:8292606:4700::6812:929
MX 5
1aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com
TXT 5
facebook-domain-verification=210pb1dow3xij4hbkr5bq00ua0f81bgoogle-site-verification=R10jtYhaMW3YpDOzzJaFKMgZe6i5CAJtnTOni8XZxhYgoogle-site-verification=mB5Ysn-TI3_BJBMmQXvArBMF-KQTGKjDqkuLdRCQSvEv=spf1 include:_spf.google.com include:helpscoutemail.com include:20157017.spf08.hubspotemail.net ~allv=DMARC1; p=reject; sp=reject; rua=mailto:re+c9af66a8e2a2@inbound.dmarcdigests.com; aspf=r; pct=100
NS 2
camilo.ns.cloudflare.comkinsley.ns.cloudflare.com
SOA 1
camilo.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
castos.com |
C=US, O=Google Trust Services, CN=WE1 | Sun, 06 Sep 2026 15:00:17 +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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
1e7f2dc3-109e-40b6-bb5c-d77c2f29f51f- Output Hash
1f43ebfed74f309caa311f8c6a9d30c5d68ff0a1bc0de2d87362a58c02b617e5- Signature
ed25519:05cf342e96d93439a88ba50ea558aa5476cfc23010e6992a4f23bef32e7fa8cfe9724fcdcf21d446266e11c6467eeed315b44d5955881ed3c443661e6ab64203- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast