posti.fi
Observed Jul 24, 2026, 17:50 UTC (1d 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 onTelia Finland Oyj
Email byMicrosoft 365
Secured byTelia Company AB
Registered toPosti Group Oyj
Also usesGoogle Search Console
2 subdomains · logistics_expanded
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat posti.fi actually stands on - every host below is a signed observation
posti.fi
A / AAAA
192.89.57.27
Telia Finland Oyjserves the site
NS
ns16.posti.fins15.posti.fins1-swe.global.sonera.sens2-fin.global.sonera.fi+2 more
posti.fi + sonera.se + moreanswers its DNS
MX
posti-fi.mail.protection.outlook.com
Microsoft 365receives its email
TLS
posti.fi
Telia Company ABissued its certificate
DNS Records
A 1
192.89.57.27
MX 1
0posti-fi.mail.protection.outlook.com
TXT 10
MS=ms54001104uAkL8F0xV9RH97kXwHch8z+HXhOiEUcSUeapKq3YQvCwiwJzPgFodvyzvLK/RzphKr/GpFPtLChutBrN7iiXVg==v=spf1 ip4:192.130.225.100 ip4:192.194.78.73 ip4:192.89.233.79 ip4:192.89.233.100 ip4:81.22.169.238 ip4:192.194.11.11 ip4:192.194.11.14 ip4:192.194.11.15 include:spf.protection.outlook.com ~all1AC14B76F92D038A3EF0488E3E3FB3D264FC28B45A09DB87E212FE668FD22DA6ybh5mvypbz3hnj96cxb8cph3hnm2hf4ygoogle-site-verification=jUkvgLqfK1CfERHNAzhfMl3uwexLHNaW3Qpk5SD9K6Adk60ssbqTGtYcGPOPWUjZpx97bzC8b34NkUF3YTdrZD3ko5pdCCZ/o/8n6oVDABBs53HGB6cQjBCqvSyUF2wow==google-site-verification=DBFDFFYROCHvjGdLVTCKW_vA5x-5tj__hqP2bUiG1tY_m7gz1kg78qbbyfktk7hhi8caj9ol41ov=DMARC1; p=quarantine; rua=mailto:zxeaeh0c@ag.eu.dmarcadvisor.com; ruf=mailto:dmarc@posti.com; fo=0; pct=100
NS 6
ns16.posti.fins15.posti.fins1-swe.global.sonera.sens2-fin.global.sonera.fins2-usa.global.sonera.netns1-fin.global.sonera.fi
SOA 1
ns15.posti.fi hostmaster.posti.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
posti.fi |
C=SE, O=Telia Company AB, CN=Telia RSA DV CA v4 | Fri, 01 Jan 2027 19:53:15 +0000 |
Telia RSA DV CA v4 |
C=SE, O=Telia Company AB, CN=Telia RSA TLS Root CA v3 | Sat, 23 May 2048 10:00:00 +0000 |
Telia RSA TLS Root CA v3 |
C=FI, O=Telia Finland Oyj, CN=Telia Root CA v2 | Sat, 28 Nov 2043 10:00:00 +0000 |
Telia Root CA v2 |
C=FI, O=Telia Finland Oyj, CN=Telia Root CA v2 | Sun, 29 Nov 2043 11:55:54 +0000 |
Subdomains (2)
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_be2e7b4c56d852c6- Output Hash
10f2f520b6e1c631e5b1df470272453a28cd4fc138eeab7ecd457bad3c83b2f8- Signature
ed25519:860ddd094f6384023fa3029a07158cc213f5c262de1df732e6a2a22b40cc59541ae025b57c82d4e34890c6815817a1bb04b44e13ec3da55249ec839887e58c08- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast