supportbox.cz
Observed Jul 24, 2026, 01:16 UTC (7h 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
Email byGoogle Workspace
Secured byGoogle Trust Services
Also usesGoogle Search Console
IPv6 · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat supportbox.cz actually stands on - every host below is a signed observation
supportbox.cz
A / AAAA
172.67.145.139104.21.81.1792606:4700:3031::6815:51b32606:4700:3032::ac43:918b
Cloudflareserves the site
NS
darwin.ns.cloudflare.commarge.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
supportbox.cz
Google Trust Servicesissued its certificate
DNS Records
A 2
172.67.145.139104.21.81.179
AAAA 2
2606:4700:3031::6815:51b32606:4700:3032::ac43:918b
MX 5
1aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com
TXT 6
google-site-verification=IrcEKU4F5nAQb4dF4Es9QGJfGqNCxG5S3NxcDOMDu6Ugoogle-site-verification=RCYN5XyX7T5c5k6t-Liy9f5GZqVGPS1CEF7Mjg1HIpIgoogle-site-verification=WDOpWPh1hMAxcssbfNnGTc6njIep2qiKwIqqr1AFAV4google-site-verification=vJbhVvk6chjDii_ZXAwfR6iy0Al_2-acy8zJrvVQZv4v=spf1 mx a ip4:89.185.227.51 ip4:89.185.227.52 ip4:62.109.150.175 ip4:37.157.196.234 include:spf1.supportbox.cz include:spf.smartemailing.cz include:_spf.google.com ~allv=DMARC1; p=none; rua=mailto:dmarc+550060@smartemailing.cz; fo=1
NS 2
darwin.ns.cloudflare.commarge.ns.cloudflare.com
SOA 1
darwin.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
supportbox.cz |
C=US, O=Google Trust Services, CN=WE1 | Mon, 19 Oct 2026 02:11:43 +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
rcpt_f8199cb3b24233b2- Output Hash
5f498819840e17ee7cbe04732cd5d9ded66d1dd81b3faf1082be0e1028c07ad6- Signature
ed25519:8b3f226b9f6f181f6bf217c5d8066502349732e60ae10914a6111ae816a1bcc6ac6c543b78ac90375e52900bdb2c834775d9526754ace26b7acba2d824289707- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast