alf.nu

Observed Jul 20, 2026, 21:55 UTC (4d 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 byGoogle Workspace

Secured byLet's Encrypt

tranco

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

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

alf.nu

A / AAAA

139.59.196.30

unattributedserves the site

ns-1159.awsdns-16.orgns-172.awsdns-21.comns-1839.awsdns-37.co.ukns-553.awsdns-05.net

awsdns-16.org + awsdns-21.com + moreanswers its DNS

aspmx.l.google.com

Google Workspacereceives its email

TLS

alf.nu

Let's Encryptissued its certificate

DNS Records

A 1

139.59.196.30

MX 1

0aspmx.l.google.com

NS 4

ns-1159.awsdns-16.org
ns-172.awsdns-21.com
ns-1839.awsdns-37.co.uk
ns-553.awsdns-05.net

SOA 1

ns-553.awsdns-05.net awsdns-hostmaster.amazon.com

TLS Certificates (3)

Common Name	Issuer	Expires
`alf.nu`	C=US, O=Let's Encrypt, CN=YR2	Tue, 22 Sep 2026 09:32:27 +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 alf.nu. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_c54e0645dd2c2ca4
Output Hash: 9097e8b61e570b374bae1aef30d45a5146fc00b45eff0a4706e60d0176aa7593
Signature: ed25519:db82c2631f675297bf712dc8120aec0387c41fa4d7c1df3472da0d1fc5ecc1cf85651759c8b8156e32dc9d3834d12dba1c8fa3daf5e227bad7d492e47623e605
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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