vanleeuwen.com

Observed Jul 27, 2026, 18:11 UTC (6d 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 usesGoogle Search ConsoleAtlassian

1 subdomain · tranco

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

INFRASTRUCTURE MAPwhat vanleeuwen.com actually stands on - every host below is a signed observation

vanleeuwen.com

A / AAAA

34.91.167.74

unattributedserves the site

a.managed-ns.comb.managed-ns.de

managed-ns.com + managed-ns.deanswers its DNS

vanleeuwen-com.mail.protection.outlook.com

Microsoft 365receives its email

TLS

www.vanleeuwen.com

Let's Encryptissued its certificate

DNS Records

A 1

34.91.167.74

MX 1

0vanleeuwen-com.mail.protection.outlook.com

TXT 10

MS=ms56574714
_jwklkh597p4wljt00ekelv4dv6qpfxe
70971e42c7f5026910e9c0deac0b43b338685e6a54daedb270
knowbe4-site-verification=e5fd58ee9a9dcc69b4ccb040f4d135be
google-site-verification=8XF56AghmWf_fyyTOUfsjwnBPFZydVZjhw8QVAfN3zU
wszbKKSxmXpTZf3aSsJE2AEQSfUF80bUSQE66yhTgHaWOGY/Cabet8EHYVWg1WWlYuqWP+n2Bp5svhodDZ+odQ==
cisco-ci-domain-verification=72e32d3c6bb166eae5370d2971ee6e92b4f9c4c2ea55f02e04b264ff889a6a5c
atlassian-domain-verification=X6JAfuVRbVtwNaVVpSNhXkBV87cUkdbQv9Nuw/tbjBaGghuGcXaXax0GlT5xEK2L
v=spf1 include:spf.protection.outlook.com include:_spf.vanleeuwen.com include:_spf1.vanleeuwen.com -all
v=DMARC1; p=reject; sp=reject; pct=100; adkim=s; aspf=s;

NS 2

a.managed-ns.com
b.managed-ns.de

SOA 1

a.managed-ns.com domainadmin.managed-ip.com

CAA 4

iodef "mailto:mailto:alerts@vanleeuwen.nl"
issue "digicert.com"
issue "letsencrypt.org"
issue "sectigo.com"

TLS Certificates (3)

Common Name	Issuer	Expires
`www.vanleeuwen.com`	C=US, O=Let's Encrypt, CN=YR1	Mon, 31 Aug 2026 10:13:50 +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 (1)

www.vanleeuwen.com

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 vanleeuwen.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_56fefed50f7f2595
Output Hash: c471e62a4cd84ae9bc7c7001a8925951bf0d4e0412b064df1b78e7c0596de05b
Signature: ed25519:b2f769732c2a4f3eea5c065270d858c4d92a837a160cfcb305e75398eeeb6ffe48cbe22fccb0375f639ba0ecf9e3b59148f9fe0c5b388cf04b8f4bc7b746800a
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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