office365.us

Observed Jul 22, 2026, 17:24 UTC (10m 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

Not responding

Runs onMicrosoft Corporation

Registered withCSC Corporate Domains, Inc.

100 subdomains · tranco_5k

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

INFRASTRUCTURE MAPwhat office365.us actually stands on - every host below is a signed observation

office365.us

A / AAAA

131.253.86.15040.66.16.240.66.16.194131.253.86.182+3 more

Microsoft Corporationserves the site

ns1-06.azuregov-dns.usns3-06.azuregov-dns.usns4-06.azuregov-dns.usns2-06.azuregov-dns.us

azuregov-dns.usanswers its DNS

HTTPS probe

timeout No response within the timeout Connection timed out - no response within 3s

HTTP status0

Servernot observed

TLS protocolnot observed

TLS issuernot observed

Behind Cloudflareno

Response time6200 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 7

131.253.86.150
40.66.16.2
40.66.16.194
131.253.86.182
40.66.16.130
131.253.86.166
131.253.86.134

TXT 2

_mopsvv4q31oqktms1lm7bbe411tii86
v=DNSSEC1; (detected)

NS 4

ns1-06.azuregov-dns.us
ns3-06.azuregov-dns.us
ns4-06.azuregov-dns.us
ns2-06.azuregov-dns.us

SOA 1

ns1-06.azuregov-dns.us msnhst.microsoft.com

CAA 5

contactemail caarecordaware@microsoft.com
issue microsoft.com
issue digicert.com
issue entrust.net
iodef mailto:domains@microsoft.com

TLS Certificates (0)

None.

Subdomains (100)

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 office365.us. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/office365.us">
  <img src="https://domaindrift.io/badge/office365.us.svg"
       width="300" height="64" alt="DomainDrift signed observations for office365.us">
</a>

Ed25519 Receipt

Receipt ID: rcpt_09865ab882d38b65
Output Hash: 32afa52e127cea8173f4332e90e060cb523554afe88e86c1de56399af19e11b0
Signature: ed25519:0092a07535aeade9374ead83f0c1343fbd3be5607ebf63a8be89ee4198bd1dc0e5f7bbd1143d55e01677718aafe75ed09bd741852f8e35bcc528b161aebcfd08
Public Key: ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent: (genesis)
Plane: fast

Verify this in your browser

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