op.fi

Observed 2026-07-12T12:22:00.069Z (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byMicrosoft 365

Also usesDocuSignDockerGoogle Search ConsoleFacebook/Meta

7 subdomains · tranco_40k

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

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

op.fi

A / AAAA

157.124.1.18

Cloudflareserves the site

a14-67.akam.neta7-66.akam.netns-fi.elisa.netns-se.elisa.net+4 more

akam.net + elisa.netanswers its DNS

op-fi.mail.protection.outlook.com

Microsoft 365receives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.op.fi/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time1025 ms

DNS resolutionNOERROR

Redirect chain

https://www.op.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

157.124.1.18

MX 1

0op-fi.mail.protection.outlook.com

TXT 20

v=spf1 ip4:213.138.147.128/27 ip4:213.52.186.141 ip4:213.52.186.142 ip4:217.11.193.159 ip4:217.11.193.39 ip4:188.117.37.109 ip4:62.32.101.193 ip4:62.32.101.98 ip4:62.32.101.198 ip4:82.197.31.32/28 ip4:192.89.123.25 ip4:131.207.84.86 ip4:18.197.56.167 ip4:157.124.33.40/27 ip4:95.217.100.45 a:c.spf.service-now.com include:spf.lianamailer.com include:_spf-dc2.successfactors.com include:sendgrid.net include:mktomail.com include:_spf-dc57.sapsf.eu include:_spf-dc33.sapsf.eu include:spf.protection.outlook.com -all
_wkk89qnja90tuwe3xzr2gqjvy37jdfw
docusign=6053159a-8f96-4ba1-a1d5-51daa561cea6
docker-verification=c5085c94-8cd1-4669-bb6d-3a551568eefd
docusign=604213f0-776e-4f5d-8f76-96b00efbc25a
Dynatrace-site-verification=2ff6282f-fc67-40c1-baa1-eeaad8eea2f9__ij7es06j80h8kbrveprbo2q4g4
MS=ms68432904
_7ivth0t0mao3debk60e4siqu1bl4pk8
google-site-verification=cfxQkoIvpw0nxHWLn8QeOfm5-_Xz861wdByeAUCY98Q
adobe-idp-site-verification=70911b4a-cb79-41e2-a976-8020124f57f4

NS 8

a14-67.akam.net
a7-66.akam.net
ns-fi.elisa.net
ns-se.elisa.net
a11-66.akam.net
a16-64.akam.net
a24-65.akam.net
a1-125.akam.net

SOA 1

ns-fi.elisa.net hostmaster.elisa.fi

TLS Certificates (0)

None.

Subdomains (7)

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 op.fi. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: ba3dd844-db21-4948-b4cf-8217f7567957
Output Hash: 44c59e27cd4a65ee66689b72dc5fd4525e43ebb1be734bcbfd51101d7475323b
Signature: ed25519:3979a2a6d9a5c22775c37a0dc5bf5c2a7467c18d7dcd7dd1a341d790ea4e2f6b339ce449f33b7558ccdf3ad96a4ba88d2ec522e46a8f63c8b61b9fb0e3e7a50f
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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