CONTINUOUS INTERNET TELEMETRY24H DRIFT170 material changesacross 134 domains · -488 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW3,941 curated domains not answering+1,112 vs yesterdayERRORS25,461 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED73,115 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT170 material changesacross 134 domains · -488 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW3,941 curated domains not answering+1,112 vs yesterdayERRORS25,461 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED73,115 throttled or blocked our scanner429 rate-limit / 403 bot-block

nostarch.com

Observed Jul 19, 2026, 08:11 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byGoogle Workspace
Registered withNameCheap, Inc.
Also usesGoogle Search Console
IPv6 · 6 subdomains · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat nostarch.com actually stands on - every host below is a signed observation
nostarch.com
A / AAAA
104.20.3.230104.20.2.2302606:4700:10::6814:2e62606:4700:10::6814:3e6
Cloudflareserves the site
NS
chan.ns.cloudflare.comrodney.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
alt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comaspmx.l.google.com+1 more
Google Workspacereceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time42 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

A 2

  • 104.20.3.230
  • 104.20.2.230

AAAA 2

  • 2606:4700:10::6814:2e6
  • 2606:4700:10::6814:3e6

MX 5

  • 5alt1.aspmx.l.google.com
  • 5alt2.aspmx.l.google.com
  • 10alt3.aspmx.l.google.com
  • 1aspmx.l.google.com
  • 10alt4.aspmx.l.google.com

TXT 7

  • v=spf1 a ip4:94.130.36.169 include:_spf.google.com include:mailgun.org include:servers.mcsv.net ~all
  • bw=PXVbiXL4JNT269Uzl6SnyWQxLllxVRBEcuqXcGriff0B
  • google-site-verification=JwUIUbgdQHEGaZ4T4Sgm93jfZnPV9j2Qfg_wwxo78TY
  • v=DMARC1; p=reject; pct=100; rua=mailto:5224bb6ff01f4d278a437c1be259f686@dmarc-reports.cloudflare.net,mailto:re+0697c0f3fc05@inbound.dmarcdigests.com
  • v=DKIM1; (detected)
  • v=STSv1; id=20260407
  • v=DNSSEC1; (detected)

NS 2

  • chan.ns.cloudflare.com
  • rodney.ns.cloudflare.com

SOA 1

  • chan.ns.cloudflare.com dns.cloudflare.com

CAA 10

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

TLS Certificates (0)

None.

Subdomains (6)

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

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

Ed25519 Receipt

Receipt ID
4ec9c47f-0272-4ca4-8e02-ed301895ffe3
Output Hash
f8bd5405c94f7eb91e36ed6bd6519cea81d371ea701e190fd8b05b0845e17150
Signature
ed25519:aace1fd228114fe1c01a5d6d3ef8a72187170c8704a0547d59324d5554c47a319da30e9fceb3438a5f7135907e8f589684049de119ff53f0c4bfab338a5c740f
Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent
(genesis)
Plane
fast
Verify this in your browser