CONTINUOUS INTERNET TELEMETRY24H DRIFT1,186 material changesacross 971 domains · -892 vs yesterdayDNS DRIFT3 domains changed DNS providertop destination ac.in · -12 vs yesterdayNOW2,419 curated domains not answering+1,293 vs yesterdayERRORS15,886 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED39,583 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT1,186 material changesacross 971 domains · -892 vs yesterdayDNS DRIFT3 domains changed DNS providertop destination ac.in · -12 vs yesterdayNOW2,419 curated domains not answering+1,293 vs yesterdayERRORS15,886 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED39,583 throttled or blocked our scanner429 rate-limit / 403 bot-block

a16zcrypto.com

Observed Jul 18, 2026, 12:07 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Email byGoogle Workspace
Secured byAmazon
Registered withMarkMonitor Inc.
Also usesGoogle Search Console
1 subdomain · web3_defi
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat a16zcrypto.com actually stands on - every host below is a signed observation
a16zcrypto.com
A / AAAA
3.173.22.1773.173.21.1773.173.23.177
unattributedserves the site
NS
ha1.markmonitor.zoneha2.markmonitor.zoneha3.markmonitor.zoneha4.markmonitor.zone
markmonitor.zoneanswers its DNS
MX
alt1.aspmx.l.google.comaspmx3.googlemail.comalt2.aspmx.l.google.comaspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
a16zcrypto.com
Amazonissued its certificate

DNS Records

A 3

  • 3.173.22.177
  • 3.173.21.177
  • 3.173.23.177

MX 5

  • 20alt1.aspmx.l.google.com
  • 50aspmx3.googlemail.com
  • 30alt2.aspmx.l.google.com
  • 10aspmx.l.google.com
  • 40aspmx2.googlemail.com

TXT 6

  • TAILSCALE-pl91IOJFIclFjBKRr0hv
  • v=spf1 include:_spf.google.com -all
  • google-site-verification=-3m5BUZ5LWBSAv8wBCvgOSBJjH518e8UgPzjxXYSRnk
  • google-site-verification=_pm6OSzS-GcAavoc1GJ9GKWL-jIwJbxi3G1YQsvs_rA
  • google-site-verification=eU7mwnRsIjxpLBaHYeh-1JuhenLVqMMnFWL0craXhUY
  • v=DMARC1; p=reject; rua=mailto:21zezn4c@ag.us.dmarcian.com;

NS 4

  • ha1.markmonitor.zone
  • ha2.markmonitor.zone
  • ha3.markmonitor.zone
  • ha4.markmonitor.zone

SOA 1

  • ha1.markmonitor.zone hostmaster.markmonitor.com

TLS Certificates (3)

Common NameIssuerExpires
a16zcrypto.com C=US, O=Amazon, CN=Amazon RSA 2048 M01 Sat, 17 Oct 2026 23:59:59 +0000
Amazon RSA 2048 M01 C=US, O=Amazon, CN=Amazon Root CA 1 Fri, 23 Aug 2030 22:21:28 +0000
Amazon Root CA 1 C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2 Thu, 31 Dec 2037 01:00:00 +0000

Subdomains (1)

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 a16zcrypto.com. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for a16zcrypto.com <a href="https://domaindrift.io/t/a16zcrypto.com"> <img src="https://domaindrift.io/badge/a16zcrypto.com.svg" width="300" height="64" alt="DomainDrift signed observations for a16zcrypto.com"> </a>

Ed25519 Receipt

Receipt ID
67b8ec33-7d90-4d16-81cf-ebfaf40cc456
Output Hash
b6907fecc151da9f6ae5109b2d1207ef1ef74081b42074f6f4d74cea72bbc75e
Signature
ed25519:a458ecedab98bbb3f827230c8638ec85d33d6a2292f0def9c4b68ebee4fa473c582215f100940c1954391f73f40ddad45543e1ef0eb82e82678a13a7db3e0705
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser