isdn.net

Observed Jul 18, 2026, 13:26 UTC (3d ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding

Email byMicrosoft 365

Registered witheNom, LLC

tranco_40k

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

INFRASTRUCTURE MAPwhat isdn.net actually stands on - every host below is a signed observation

isdn.net

ns4.isdn.netns5.isdn.net

isdn.netanswers its DNS

isdn-net.mail.protection.outlook.com

Microsoft 365receives its email

DNS Records

MX 1

0isdn-net.mail.protection.outlook.com

TXT 2

MS=ms64373091
v=spf1 include:spf.protection.outlook.com -all

NS 2

ns4.isdn.net
ns5.isdn.net

SOA 1

ns4.isdn.net root.ns4.isdn.net

SRV 8

telco05.isdn.net:5060 p10
telco01.isdn.net:5060 p10
:0 p0
:0 p0
:0 p0
:0 p0
:0 p0
:0 p0

TLS Certificates (0)

None.

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 isdn.net. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: c9f0197e-dd49-423b-8bb3-b9fae65d22ae
Output Hash: 84769d94cc669bb740be2d555a73f802ed268d05c190848f5e83035c6e461479
Signature: ed25519:1bf3b89304d2fb0750bfa4d687e4749aa50d3b1c48d55b4aaf5ea9fcc2457c2a60bc2e0e2858afe93d995f609faf5f22d0b7675fdc78f9bc628a9779b1c0e409
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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