CONTINUOUS INTERNET TELEMETRY24H DRIFT2,156 material changesacross 1,949 domains · -395 vs yesterdayDNS DRIFT15 domains changed DNS providertop destination cloudflare.com · -1 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination google.comCERT DRIFT1 domains switched issuing CA24h · -4 vs yesterdayNOW3,391 curated domains not answeringlast probe, steadyERRORS10,886 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT2,156 material changesacross 1,949 domains · -395 vs yesterdayDNS DRIFT15 domains changed DNS providertop destination cloudflare.com · -1 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination google.comCERT DRIFT1 domains switched issuing CA24h · -4 vs yesterdayNOW3,391 curated domains not answeringlast probe, steadyERRORS10,886 responded with an errorlast probe · 5xx / 404 / 429 / 403

mx.microsoft

Observed 2026-07-13T10:52:27.357Z (20h ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding
Runs onCloudflare
Registered withMarkMonitor Inc.
tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat mx.microsoft actually stands on - every host below is a signed observation
mx.microsoft
NS
ns1-81.azure-dns.comns2-81.azure-dns.netns3-81.azure-dns.orgns4-81.azure-dns.info
azure-dns.com + azure-dns.net + moreanswers its DNS

HTTPS probe

server_error Server error (5xx) 530 Server Error
HTTP status530
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time11 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

TXT 2

  • v=spf1 -all
  • v=DNSSEC1; (detected)

NS 4

  • ns1-81.azure-dns.com
  • ns2-81.azure-dns.net
  • ns3-81.azure-dns.org
  • ns4-81.azure-dns.info

SOA 1

  • ns1-81.azure-dns.com azuredns-hostmaster.microsoft.com

CAA 4

  • contactemail caarecordaware@microsoft.com
  • issue digicert.com
  • issue microsoft.com
  • iodef mailto:caarecordaware@microsoft.com

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 mx.microsoft. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
cbc30254-8968-4f24-9fea-67072d54cabe
Output Hash
a9f9c09d47417963c0bf79f4d506047ae7a9440188b1250cc951b175127dd554
Signature
ed25519:305b34714482c4722bac64b411441c728a6d9cd11209bf122f237982ec88394d62fbbbc0b8b752f253e4d5d0d011f08393fc086c68974f5d6eb9b02ed6d6e90e
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser