CONTINUOUS INTERNET TELEMETRY24H DRIFT1,208 material changesacross 992 domains · -870 vs yesterdayDNS DRIFT3 domains changed DNS providertop destination ac.in · -12 vs yesterdayNOW2,339 curated domains not answering+1,213 vs yesterdayERRORS15,610 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED39,541 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT1,208 material changesacross 992 domains · -870 vs yesterdayDNS DRIFT3 domains changed DNS providertop destination ac.in · -12 vs yesterdayNOW2,339 curated domains not answering+1,213 vs yesterdayERRORS15,610 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED39,541 throttled or blocked our scanner429 rate-limit / 403 bot-block

aprs.fi

Observed Jul 18, 2026, 14:01 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byAmazon SES
Secured byGoogle Trust Services
Also usesGoogle Search Console
IPv6 · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat aprs.fi actually stands on - every host below is a signed observation
aprs.fi
A / AAAA
172.67.168.204104.21.46.1732606:4700:3035::ac43:a8cc2606:4700:3035::6815:2ead
Cloudflareserves the site
NS
elijah.ns.cloudflare.comsummer.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
he.fi
Amazon SESreceives its email
TLS
aprs.fi
Google Trust Servicesissued its certificate

DNS Records

A 2

  • 172.67.168.204
  • 104.21.46.173

AAAA 2

  • 2606:4700:3035::ac43:a8cc
  • 2606:4700:3035::6815:2ead

MX 1

  • 10he.fi

TXT 3

  • google-site-verification=vp5cqrc4siaomaaSEA5NlTaJlWbhIKrcpjp211bhsAc
  • v=spf1 ip4:85.188.1.0/24 ip6:2001:67c:15c:1::/64 ip4:65.50.211.141 ip6:2001:1868:a000:17::141 include:amazonses.com ~all
  • v=DMARC1; p=quarantine

NS 2

  • elijah.ns.cloudflare.com
  • summer.ns.cloudflare.com

SOA 1

  • elijah.ns.cloudflare.com dns.cloudflare.com

CAA 11

  • issue "amazon.com"
  • issue "comodoca.com"
  • issue "digicert.com; cansignhttpexchanges=yes"
  • issue "letsencrypt.org"
  • issue "pki.goog; cansignhttpexchanges=yes"
  • issue "ssl.com"
  • issuewild "comodoca.com"
  • issuewild "digicert.com; cansignhttpexchanges=yes"
  • issuewild "letsencrypt.org"
  • issuewild "pki.goog; cansignhttpexchanges=yes"

TLS Certificates (3)

Common NameIssuerExpires
aprs.fi C=US, O=Google Trust Services, CN=WE1 Tue, 08 Sep 2026 22:02:56 +0000
WE1 C=US, O=Google Trust Services LLC, CN=GTS Root R4 Tue, 20 Feb 2029 14:00:00 +0000
GTS Root R4 C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA Fri, 28 Jan 2028 00:00:42 +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 aprs.fi. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
01c0cca9-9acc-4a6b-a7b9-e61771036be5
Output Hash
634af8324382b80a1707709c7cfa03f8fb304aa124c5b54a628d016333cfbdc2
Signature
ed25519:706db8bd66424e70cacf2108ca401201a8309d55a26a353269174c38a8da480f44cecd022903c5e19a55e6ea7cf9ca86c8dbf070f994555fec7b919e0a2b950a
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
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