a1.at

Observed Jul 18, 2026, 01:37 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding

Runs onA1 Telekom Austria

Email byMicrosoft 365

push_legacy

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

INFRASTRUCTURE MAPwhat a1.at actually stands on - every host below is a signed observation

a1.at

A / AAAA

80.75.46.164

A1 Telekom Austriaserves the site

dns1.a1.netdns2.a1.netdns3.a1.net

a1.netanswers its DNS

a1-at.mail.protection.outlook.com

Microsoft 365receives its email

HTTPS probe

server_error Server error (5xx) 525 Server Error

HTTP status525

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time1127 ms

DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

80.75.46.164

MX 1

10a1-at.mail.protection.outlook.com

TXT 14

ciscocidomainverification=66bdfbefc3f2b61dee031194080f5643f2fdcd71fee84a2a72d4b28af48ce10
SFMC-g3tVbXJJDkHePu4okEiXhBh57mKPcMNj_DX__WVN
ibmid=0a9aed9e-a2db-47a8-a70f-d0743e09b42a
c9zgvkzcz6pdj46xfs662lcvrbw6pstm
MS=2F09BBAAEA6858F4694E9B46A03600212CF33DAC
workplace-domain-verification=0Ep9zMXGsvzy8veldLDDXYMP74VTpX
MS=ms16881281
teamviewer-sso-verification=fe32d5ea964e4d7f93bdd329a7adfc03
8suw0xG+clBxjaHyv3qmkRA4gHGdGRfakfrp3TNAFtq8ntN2sLbk6rMlAaiXRO//qE1DHxisQttUJGxxjn26fw==
LIV+2wYJzDo3YPh2UH2A7cRkI4yZRJlsbKa7elQ9wOoBrDabCXZuFldpg1P32mOwHblTXkD8Qce5SjMKZ4tVzQ==

NS 3

dns1.a1.net
dns2.a1.net
dns3.a1.net

SOA 1

dns1.a1.net domainadmin.a1.net

TLS Certificates (0)

None.

Subdomains (1)

www.a1.at

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 a1.at. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/a1.at">
  <img src="https://domaindrift.io/badge/a1.at.svg"
       width="300" height="64" alt="DomainDrift signed observations for a1.at">
</a>

Ed25519 Receipt

Receipt ID: 4a8f6bf4-3296-4df6-b8e3-33315652f00b
Output Hash: f8bd2e55f5327f317303585ab2e3c99abf59215424ea84ea0818282c3c08dc59
Signature: ed25519:5d411bae787076e7ec0569ac66632d6459472a5366937927404d4b798f67f56083bca148770bcd5a64c9a106314f892200cd2798449222178e09aa5d54db6606
Public Key: ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent: (genesis)
Plane: fast

Verify this in your browser

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