jamk.fi

Observed Jul 21, 2026, 17:24 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

Also usesFacebook/MetaGoogle Search ConsoleZoom

1 subdomain · tranco_100k

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

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

jamk.fi

A / AAAA

13.51.62.86

unattributedserves the site

tango.jypoly.fihumppa.jypoly.fijazz.jypoly.fi

jypoly.fianswers its DNS

jamk-fi.mail.protection.outlook.com

Microsoft 365receives its email

TLS

bioboosters.fi

Let's Encryptissued its certificate

DNS Records

A 1

13.51.62.86

MX 1

10jamk-fi.mail.protection.outlook.com

TXT 14

brevo-code:b228d5a5895276cb3136726d9d80ec35
MS=ms81787999
DZC=lCgrrwW
facebook-domain-verification=aydape8whsz45evqdx9b8gyulje03m
mandrill_verify.eEe_SdyQdJIY-reeWegR4g
ICtLgtQN10FnkmbLjRRs1xsBFs2uMfOSdZb/ztk0uosetsxvNy/3CVpAXaAK+zEkoy/crJAjjGp2+pT4VWcCJw==
adobe-idp-site-verification=5f096b94330b779bd7ddc9b7ed2667916f322193ab1cf58a237022eb76afdb34
google-site-verification=4q43CnbHAYt93yKucW6g9AUoRkluq6cAI0VEmGWq9Jg
DomainVerification=4D8T2LJNCI64S9PFQ6FC5FFMH8JOH4UNFY5MEVUE33TK5PUUD2X5QW16HMCMSR8J
d365mktkey=kaxWmq8SK7cDZGHj7m34xlG3z92p736gcrIGoWYu1u8x

NS 3

tango.jypoly.fi
humppa.jypoly.fi
jazz.jypoly.fi

SOA 1

jazz.jypoly.fi hostmaster.jamk.fi

TLS Certificates (4)

Common Name	Issuer	Expires
`bioboosters.fi`	C=US, O=Let's Encrypt, CN=YE2	Tue, 06 Oct 2026 03:07:56 +0000
`YE2`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

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

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

Ed25519 Receipt

Receipt ID: rcpt_7cf86eaf7c89142e
Output Hash: 19d068677cb100b35aabacd022d31633fe741feb3d2c41e286d4e7dffbb2580b
Signature: ed25519:0553c10cd061847fbd2e00d5aa631126361b25e86db6cb6616b492397a83c606159527839a1556d20a43cb108bde766a19c6b3a246936cacd3115bafbafe7c09
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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