oulu.fi
Observed 2026-07-13T04:38:32.434Z (3h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byMicrosoft 365
Also usesZoomGoogle Search Console
15 subdomains · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat oulu.fi actually stands on - every host below is a signed observation
oulu.fi
A / AAAA
130.231.240.1
Cloudflareserves the site
NS
ousrvr2.oulu.fiousrvr.oulu.fins-secondary.funet.fi
oulu.fi + funet.fianswers its DNS
MX
oulu-fi.mail.protection.outlook.com
Microsoft 365receives its email
HTTPS probe
redirect
Redirecting (3xx) 302 → https://www.oulu.fi/
HTTP status302
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time1147 ms
DNS resolutionNOERROR
Redirect chain
https://www.oulu.fi/Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 1
130.231.240.1
MX 1
0oulu-fi.mail.protection.outlook.com
TXT 8
apple-domain-verification=k7bLRWxzyJYzcVq5emdspL0MjaKGiYKenQtlfic+tTkKLZC4SWXsHCOCQx7+tphsRTuOdlK9BebXctnbTDTQ4O/Eh544W1PIPWKepw==v=spf1 ip4:130.231.0.0/16 ip4:193.167.134.0/24 ip4:86.50.27.145 ip4:83.145.244.36 ip6:2001:708:520::/48 ip6:2001:708:10:6004::14 include:spf.protection.outlook.com include:_spf1.oulu.fi include:_spf2.oulu.fi -allZOOM_verify_jgPY6uqHSWW5jtvqWquCAgHARICA-eULdQZ1yF4rN8fRWSfPd365mktkey=wby316a1k8ayh1mb0dw9dzbygoogle-site-verification=COygfQGReM0kLHlpi8cRVQdz8hOYoedznHATc6tJ-nsv=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email;
NS 3
ousrvr2.oulu.fiousrvr.oulu.fins-secondary.funet.fi
SOA 1
ousrvr.oulu.fi bindmaster.ousrvr.oulu.fi
TLS Certificates (0)
None.
Subdomains (15)
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
69be661a-d430-41d9-9212-bd35ebc358c3- Output Hash
68b2e5cb808eb01dd244d859442ffa9fe90f3acd19e886ef4ead83e96337eace- Signature
ed25519:79d09a900cf3952282bfc46935ee5166387cfa7a5619c1b80a386596536be1293d634e84ef49e6dc86edf56cfb176a41a964c2a6f6b04c38fc002c8fc18fb908- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast