CONTINUOUS INTERNET TELEMETRY24H DRIFT31,420 material changesacross 29,745 domains · 24h to ~30m agoSHIFT21 domains moved DNS from brainydns.com to koaladns.coma coordinated move · 24hNOW560 curated domains not reachablelast probe, steadySITE ERRORS34,183 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,263 sites429 rate-limit / 403 bot-block, a posture signal

zachholman.com

Observed Aug 3, 2026, 02:12 UTC (23h 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.

Verify this receipt yourself + Watch this domain
Up right now
Runs onCloudflare
Email byGoogle Workspace
Secured byGoogle Trust Services
IPv6 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zachholman.com actually stands on - every host below is a signed observation
zachholman.com
A / AAAA
172.67.128.37104.21.0.1732606:4700:3036::ac43:80252606:4700:3033::6815:ad
Cloudflareserves the site
NS
dave.ns.cloudflare.commona.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.com+3 more
Google Workspacereceives its email
TLS
zachholman.com
Google Trust Servicesissued its certificate

DNS Records

A 2

  • 172.67.128.37
  • 104.21.0.173

AAAA 2

  • 2606:4700:3036::ac43:8025
  • 2606:4700:3033::6815:ad

MX 7

  • 1aspmx.l.google.com
  • 10aspmx2.googlemail.com
  • 10aspmx3.googlemail.com
  • 10aspmx4.googlemail.com
  • 10aspmx5.googlemail.com
  • 5alt1.aspmx.l.google.com
  • 5alt2.aspmx.l.google.com

TXT 1

  • v=spf1 include:_spf.google.com ~all

NS 2

  • dave.ns.cloudflare.com
  • mona.ns.cloudflare.com

SOA 1

  • dave.ns.cloudflare.com dns.cloudflare.com

DMARC_RECORDS 1

  • v=DMARC1; p=none

TLS Certificates (3)

Common NameIssuerExpires
zachholman.com C=US, O=Google Trust Services, CN=WE1 Wed, 28 Oct 2026 03:54:01 +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

Ed25519 Receipt

Receipt ID
rcpt_3554a41f131c7d3a
Output Hash
265e9b3aaf6d871efc18d67b02bf891754dfb318f81b00f85695dbab72f61571
Signature
ed25519:02a0b4d8733e2cc69d62c395febf2ecb3879e3e0693e211c84e6ff792152998ca116eb51497abb469e6542944f38a72df01fcba2653c4bcae72fef333c061900
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser