CONTINUOUS INTERNET TELEMETRY24H DRIFTat least 11,680 material changesacross 11,009+ domains · 24h to ~21h ago · a floor, 3h of 24 walkedNOW561 curated domains not reachablelast probe, steadySITE ERRORS34,428 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 155,720 sites429 rate-limit / 403 bot-block, a posture signal

ottofrei.com

Observed Jul 24, 2026, 19:11 UTC (7d 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.

Guarded by a firewall
Runs onCloudflare
Email byGoogle Workspace
Secured byLet's Encrypt
Registered withCloudflare, Inc.
Also usesFacebook/MetaSlackGoogle Search Console
IPv6 · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ottofrei.com actually stands on - every host below is a signed observation
ottofrei.com
A / AAAA
104.26.6.208104.26.7.208172.67.71.1422606:4700:20::681a:6d0+2 more
Cloudflareserves the site
NS
isaac.ns.cloudflare.comkatja.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx2.googlemail.com+1 more
Google Workspacereceives its email
TLS
ottofrei.com
Let's Encryptissued its certificate

DNS Records

A 3

  • 104.26.6.208
  • 104.26.7.208
  • 172.67.71.142

AAAA 3

  • 2606:4700:20::681a:6d0
  • 2606:4700:20::681a:7d0
  • 2606:4700:20::ac43:478e

MX 5

  • 0aspmx.l.google.com
  • 5alt1.aspmx.l.google.com
  • 5alt2.aspmx.l.google.com
  • 10aspmx2.googlemail.com
  • 10aspmx3.googlemail.com

TXT 11

  • MS=ms32196492
  • klaviyo-site-verification=TgBrVA
  • klaviyo-site-verification=We9B3Y
  • v=spf1 include:_spf.google.com ~all
  • apple-domain-verification=cT5daeuuEezFWHBG
  • shopify-verification-code=FwqUTWPJYZKXZpRogxaylofOKZGEMA
  • facebook-domain-verification=vmw5n3bijj7mkv1xiayjpsuthfq1qu
  • slack-domain-verification=oUOdQHrI3RmkrNtY7YZm46Fl1tfz96mNqQeGLysV
  • google-site-verification=LMTK8W05R_TZpK3ndlncBR_6qH9UdxtH8azgSgzAqbk
  • google-site-verification=jC4r9Q4N7iFGlWEa7UgbkKK8twSE4O9EdRDDtXLzOo8

NS 2

  • isaac.ns.cloudflare.com
  • katja.ns.cloudflare.com

SOA 1

  • isaac.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (4)

Common NameIssuerExpires
ottofrei.com C=US, O=Let's Encrypt, CN=YE1 Wed, 09 Sep 2026 13:33:33 +0000
YE1 C=US, O=ISRG, CN=Root YE Sat, 02 Sep 2028 23:59:59 +0000
Root YE C=US, O=Internet Security Research Group, CN=ISRG Root X2 Thu, 02 Sep 2032 23:59:59 +0000
ISRG Root X2 C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +0000

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

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

Ed25519 Receipt

Receipt ID
rcpt_cf7881ed4afa066c
Output Hash
e5f85a903ee790d2209f1262a3e99fb19a31899706695de7885cfe44d5895bb6
Signature
ed25519:5f879bd7bc4da5e123d48fdb1ed3b03f635e1e51e6e17cf8a34c157f056f3bcfbb259b98f0f63a3917b0d21294491bf5ba33b71a512138160d311e3ad535460f
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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