rdstec.com.br
Observed Aug 9, 2026, 17:42 UTC (2h 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
IPv6 · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rdstec.com.br actually stands on - every host below is a signed observation
rdstec.com.br
A / AAAA
191.6.223.502804:10:8010::223:50
2804serves the site
NS
dns1.kinghost.com.brdns2.kinghost.com.br
kinghost.com.branswers its DNS
MX
mx-vip-01.kinghost.netmx-vip-02.kinghost.net
kinghost.netreceives its email
TLS
rdstec.com.br
Let's Encryptissued its certificate
DNS Records
A 1
191.6.223.50
AAAA 1
2804:10:8010::223:50
MX 2
5mx-vip-01.kinghost.net5mx-vip-02.kinghost.net
TXT 1
v=spf1 include:_spf.kinghost.net -all
NS 2
dns1.kinghost.com.brdns2.kinghost.com.br
SOA 1
dns1.kinghost.com.br abuse.kinghost.net
DMARC_RECORDS 1
v=DMARC1; p=none;
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
rdstec.com.br |
C=US, O=Let's Encrypt, CN=YR1 | Sat, 31 Oct 2026 03:06:10 +0000 |
YR1 |
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 (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_ae43bd7ff79082ac- Output Hash
c9bd11e8e24b6192700da898f4a9e3d761fd33f8d57fa0578e97e650a17074de- Signature
ed25519:a76f6f4eed51b78af49fe6b35a93176d40fe0f15a2efe3dbad14773010c234cf5764810385ba6f2ede370c10d4c6a1d45d8facd668da43d58de8e903823d090e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast