rts.fi

Observed Jul 26, 2026, 06:29 UTC (2d 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.

Verify this receipt yourself + Watch this domain

Up right now

Email byMicrosoft 365

Secured byLet's Encrypt

1 subdomain · majestic

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat rts.fi actually stands on - every host below is a signed observation

rts.fi

A / AAAA

37.27.23.68

unattributedserves the site

ns1-01.azure-dns.comns2-01.azure-dns.netns3-01.azure-dns.orgns4-01.azure-dns.info

azure-dns.com + azure-dns.net + moreanswers its DNS

mx10.dnamail.fimx11.dnamail.fimx12.dnamail.firts-fi.mail.protection.outlook.com

Microsoft 365receives its email

TLS

rts.fi

Let's Encryptissued its certificate

DNS Records

A 1

37.27.23.68

MX 4

5mx10.dnamail.fi
6mx11.dnamail.fi
10mx12.dnamail.fi
0rts-fi.mail.protection.outlook.com

TXT 3

MS=ms23676903
v=spf1 include:spf.lianamailer.com include:spf.mailjet.com include:spf.protection.outlook.com include:_spf.moonhill.fi -all
v=DMARC1;p=none;

NS 4

ns1-01.azure-dns.com
ns2-01.azure-dns.net
ns3-01.azure-dns.org
ns4-01.azure-dns.info

SOA 1

ns1-01.azure-dns.com azuredns-hostmaster.microsoft.com

TLS Certificates (3)

Common Name	Issuer	Expires
`rts.fi`	C=US, O=Let's Encrypt, CN=YR2	Thu, 27 Aug 2026 20:01:44 +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 (1)

www.rts.fi

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for rts.fi. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/rts.fi">
  <img src="https://domaindrift.io/badge/rts.fi.svg"
       width="300" height="64" alt="DomainDrift signed observations for rts.fi">
</a>

Ed25519 Receipt

Receipt ID: rcpt_a4d1c9de08fd9564
Output Hash: 8e5a14299e084f83b15e28e4f7de39800254a084d3455e3c2e6ed470dfe43508
Signature: ed25519:98412a8f685110ccdd3d2c31490907fa19c3aef884b130a8e51c734aa1683dbfd9d70f0d747d7bdb9be2618c5513898e9652870d02c015ee5624f354288a9904
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/rts.fi