atl.nu

Observed Jul 24, 2026, 08:57 UTC (6h 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/Meta

tranco

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

INFRASTRUCTURE MAPwhat atl.nu actually stands on - every host below is a signed observation

atl.nu

A / AAAA

76.76.21.21

unattributedserves the site

unit.nmugroup.comorigo.nmugroup.comvertex.nmugroup.seephemera.nmugroup.se

nmugroup.com + nmugroup.seanswers its DNS

atl-nu.mail.protection.outlook.com

Microsoft 365receives its email

TLS

atl.nu

Let's Encryptissued its certificate

DNS Records

A 1

76.76.21.21

MX 1

0atl-nu.mail.protection.outlook.com

TXT 5

MS=ms33966559
apple-domain-verification=9tkgPvhARlGPNNLb
facebook-domain-verification=mfrb3ydimuket2cnb89m2gsrvxzgd2
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.jupiter.salesmanago.pl include:amazonses.com ip4:194.71.165.0/24 ip4:195.84.162.0/24 ip4:104.47.5.36/32 ip4:104.47.6.36/32 -all
v=DMARC1; p=none; rua=mailto:dmarc@atl.nu; ruf=mailto:dmarc@atl.nu; fo=1; adkim=s; aspf=s

NS 4

unit.nmugroup.com
origo.nmugroup.com
vertex.nmugroup.se
ephemera.nmugroup.se

SOA 1

origo.nmugroup.com dns.nmugroup.com

CAA 2

issue "amazon.com"
issue "letsencrypt.org"

TLS Certificates (3)

Common Name	Issuer	Expires
`atl.nu`	C=US, O=Let's Encrypt, CN=YR2	Sun, 20 Sep 2026 09:19:04 +0000
`YR2`	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 (0)

None observed.

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 atl.nu. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_2ae1791f4779693b
Output Hash: 13c5af3f7ef73655a5f29f37f0800bfedc0c2716ccb83cc1c99eba9ed900c89a
Signature: ed25519:f061adff601209b7aa61eb078ca21edc7a7d44959e19e9fb3028fa6a2fa1e4c335baf9ae06924866b29c3b6069bf6df9cbac2ebec1cfbd2044d606b552a97407
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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