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
3.173.22.1773.173.21.1773.173.23.177
MX 5
20alt1.aspmx.l.google.com50aspmx3.googlemail.com30alt2.aspmx.l.google.com10aspmx.l.google.com40aspmx2.googlemail.com
TXT 6
TAILSCALE-pl91IOJFIclFjBKRr0hvv=spf1 include:_spf.google.com -allgoogle-site-verification=-3m5BUZ5LWBSAv8wBCvgOSBJjH518e8UgPzjxXYSRnkgoogle-site-verification=_pm6OSzS-GcAavoc1GJ9GKWL-jIwJbxi3G1YQsvs_rAgoogle-site-verification=eU7mwnRsIjxpLBaHYeh-1JuhenLVqMMnFWL0craXhUYv=DMARC1; p=reject; rua=mailto:21zezn4c@ag.us.dmarcian.com;
NS 4
ha1.markmonitor.zoneha2.markmonitor.zoneha3.markmonitor.zoneha4.markmonitor.zone
SOA 1
ha1.markmonitor.zone hostmaster.markmonitor.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
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 receiptEd25519 Receipt
- Receipt ID
67b8ec33-7d90-4d16-81cf-ebfaf40cc456- Output Hash
b6907fecc151da9f6ae5109b2d1207ef1ef74081b42074f6f4d74cea72bbc75e- Signature
ed25519:a458ecedab98bbb3f827230c8638ec85d33d6a2292f0def9c4b68ebee4fa473c582215f100940c1954391f73f40ddad45543e1ef0eb82e82678a13a7db3e0705- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast