CONTINUOUS INTERNET TELEMETRY24H DRIFT2,540 material changesacross 2,367 domains · +1,118 vs yesterdayDNS DRIFT14 domains changed DNS providertop destination alidns.com · -7 vs yesterdayEMAIL DRIFT8 domains switched email providertop destination google.com · +3 vs yesterdayCERT DRIFT46 domains switched issuing CA24h · +46 vs yesterdayNOW645 curated domains not answering-65 vs yesterdayERRORS5,097 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED14,010 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT2,540 material changesacross 2,367 domains · +1,118 vs yesterdayDNS DRIFT14 domains changed DNS providertop destination alidns.com · -7 vs yesterdayEMAIL DRIFT8 domains switched email providertop destination google.com · +3 vs yesterdayCERT DRIFT46 domains switched issuing CA24h · +46 vs yesterdayNOW645 curated domains not answering-65 vs yesterdayERRORS5,097 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED14,010 throttled or blocked our scanner429 rate-limit / 403 bot-block

a.io

Observed 2026-07-17T14:52:19.344328602+00:00 (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Email byMicrosoft 365
Secured byLet's Encrypt
Also usesGoogle Search Console
DNSSEC on · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat a.io actually stands on - every host below is a signed observation
a.io
A / AAAA
85.10.133.119
unattributedserves the site
NS
ns1.a.ions2.a.ions3.a.ions4.a.io
a.ioanswers its DNS
MX
a-io.mail.protection.outlook.com
Microsoft 365receives its email
TLS
a.io
Let's Encryptissued its certificate

DNS Records

A 1

  • 85.10.133.119

MX 1

  • 0a-io.mail.protection.outlook.com

TXT 7

  • MS=ms78015345
  • v=spf1 include:spf.protection.outlook.com -all
  • v=DMARC1; p=reject; pct=100; rua=mailto:dmarcreports@a.io
  • google-site-verification=HZOFLqF2XtJKUx-DiGRnkKh855LFSTFw3JGT9Vr2nUs
  • google-site-verification=guzArMJuFVXm3S3UJir16av3ZnAxrhFXVw0a2S8DFjI
  • google-site-verification=HZOFLqF2XtJKUx-DiGRnkKh855LFSTFw3JGT9Vr2nUs
  • google-site-verification=guzArMJuFVXm3S3UJir16av3ZnAxrhFXVw0a2S8DFjI

NS 4

  • ns1.a.io
  • ns2.a.io
  • ns3.a.io
  • ns4.a.io

SOA 1

  • ns1.a.io support.a.io

TLS Certificates (3)

Common NameIssuerExpires
a.io C=US, O=Let's Encrypt, CN=YR2 Sun, 13 Sep 2026 11:05:12 +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 (1)

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

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

Ed25519 Receipt

Receipt ID
c86d13b3-e756-4fae-b9fb-8af13bd57c44
Output Hash
2e4628465b454e840f29b858960c3c1f39a5a1b6acc4be07ef0e325243fbeca6
Signature
ed25519:771878bbc347d12cc9aae8bc87d7cb9047ea7666fcaa2f3ac9e3ef0b7e432365d41e4620cf7fb07f8f0071a65193c4a5a6e8d00aa0a19ef2d064f721f8170402
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser