CONTINUOUS INTERNET TELEMETRY24H DRIFT2,896 material changesacross 2,417 domains · last 24h · -7,519 vs yesterdayDNS DRIFT147 domains changed DNS providertop destination cloudflare.com · -512 vs yesterdayEMAIL DRIFT21 domains switched email providertop destination google.com · -146 vs yesterdayCERT DRIFT33 domains switched issuing CA24h · -186 vs yesterdayNOW492 curated domains not reachable-211 vs yesterdaySITE ERRORS17,820 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 100,601 sites429 rate-limit / 403 bot-block, a posture signal

avastcdn.com

Observed Jul 24, 2026, 02:31 UTC (16h 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.

Not responding
Signed observation on record.
tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat avastcdn.com actually stands on - every host below is a signed observation
avastcdn.com
NS
edns109.ultradns.bizedns109.ultradns.comedns109.ultradns.netedns109.ultradns.org
ultradns.biz + ultradns.com + moreanswers its DNS

DNS Records

TXT 2

  • v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
  • v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email

NS 4

  • edns109.ultradns.biz
  • edns109.ultradns.com
  • edns109.ultradns.net
  • edns109.ultradns.org

SOA 1

  • edns109.ultradns.com domains.nortonlifelock.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 avastcdn.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_d59012b189c6c292
Output Hash
1b74891fd641536181868c0c9aa7db71a3eda25eac57feb970b94a9a1a330753
Signature
ed25519:6f5c26bc85301f6f64ad2cfd8c2d13b2a2685222e9f1cea51f471d6f891491cecb67e602ba3973cf384ade70cb68e82887ad71cb204fd8f2ea1a9b628ae1a000
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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