alsema.nl

Observed Jul 26, 2026, 12:17 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

2 subdomains · domcop

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

INFRASTRUCTURE MAPwhat alsema.nl actually stands on - every host below is a signed observation

alsema.nl

A / AAAA

185.214.148.43

unattributedserves the site

olga.ns.cloudflare.comruben.ns.cloudflare.com

cloudflare.comanswers its DNS

alsema-nl.mail.protection.outlook.com

Microsoft 365receives its email

TLS

alsema.nl

Let's Encryptissued its certificate

DNS Records

A 1

185.214.148.43

MX 1

0alsema-nl.mail.protection.outlook.com

TXT 3

3b682a5ac24f49c19f26917dd5bc77bf
v=spf1 a mx ip4:81.172.239.219 ip4:213.125.89.226 include:spf.protection.outlook.com include:spf.EU.exclaimer.net include:spf.flowmailer.net include:spf.antispamcloud.com include:_spf.psm.knowbe4.com include:_spf.netwerkplan.nl -all
v=DMARC1; p=quarantine; sp=none; adkim=r; aspf=r; pct=100; fo=0; rf=afrf

NS 2

olga.ns.cloudflare.com
ruben.ns.cloudflare.com

SOA 1

olga.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`alsema.nl`	C=US, O=Let's Encrypt, CN=YR1	Mon, 31 Aug 2026 04:36:45 +0000
`YR1`	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 (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 receipt

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

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

Ed25519 Receipt

Receipt ID: rcpt_2467ff4202485b19
Output Hash: 7b16a6dfc63c9b409a1af077d81f520f2a07fe37406d3e0eaf5d37b865a420a5
Signature: ed25519:be9550a93a4306b768b5abe3e81a44d8673e8f3d061f7d7eade978125966e3987df82c1dd45e50badbe646bc61071cbbecef5df89e8ed159ab8282c5a1455801
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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