alr.lu

Observed Jul 25, 2026, 22:56 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.

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Up right now

Secured byHellenic Academic and Research Institutions CA

IPv6 · 1 subdomain · majestic

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

INFRASTRUCTURE MAPwhat alr.lu actually stands on - every host below is a signed observation

alr.lu

A / AAAA

158.64.1.632001:a18:1::63

2001serves the site

ns1.restena.luns2.restena.luns3.restena.lu

restena.luanswers its DNS

smtpgate1.restena.lusmtpgate2.restena.lu

restena.lureceives its email

TLS

www.alr.lu

Hellenic Academic and Research Institutions CAissued its certificate

DNS Records

A 1

158.64.1.63

AAAA 1

2001:a18:1::63

MX 2

10smtpgate1.restena.lu
10smtpgate2.restena.lu

TXT 4

d79f0da187d441b598e1c4e075e50140
v=spf1 mx include:_spf.restena.lu include:_spf.hosting-restena.lu -all
adobe-idp-site-verification=279dd1eb2aef49c23b19e8208f340930b7ca72d2333bc1be162ef607ffbfbecf
v=DMARC1; p=none; sp=none;

NS 3

ns1.restena.lu
ns2.restena.lu
ns3.restena.lu

SOA 1

ns1.restena.lu noc.restena.lu

TLS Certificates (3)

Common Name	Issuer	Expires
`www.alr.lu`	C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1	Sat, 06 Feb 2027 14:37:10 +0000
`GEANT TLS RSA 1`	C=GR, O=Hellenic Academic and Research Institutions CA, CN=HARICA TLS RSA Root CA 2021	Sat, 31 Dec 2039 11:14:59 +0000
`HARICA TLS RSA Root CA 2021`	C=GR, L=Athens, O=Hellenic Academic and Research Institutions Cert. Authority, CN=Hellenic Academic and Research Institutions RootCA 2015	Fri, 31 Aug 2029 07:41:54 +0000

Subdomains (1)

www.alr.lu

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 alr.lu. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_2e3077d8f66e67a9
Output Hash: 1ea3700db84803ce8453a9076a5f6c29fb11989957b643c7d343d0130f4b2ee7
Signature: ed25519:2d98f38444fc52ecde8c7ee75826a2f24d27a16de8883a55026b72fbb5048a85de9923fa10bcc48a93cc7302768ebac99bb1fd08b2bc61c932645239eaa69b05
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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