zintro.com

Observed Jul 27, 2026, 22:53 UTC (5d 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

Email byGoogle Workspace

Secured byLet's Encrypt

Also usesHubSpot

tranco

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat zintro.com actually stands on - every host below is a signed observation

zintro.com

A / AAAA

198.49.23.145198.185.159.145198.185.159.144198.49.23.144

unattributedserves the site

ns-1028.awsdns-00.orgns-1840.awsdns-38.co.ukns-428.awsdns-53.comns-732.awsdns-27.net

awsdns-00.org + awsdns-38.co.uk + moreanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

zintro.com

Let's Encryptissued its certificate

DNS Records

A 4

198.49.23.145
198.185.159.145
198.185.159.144
198.49.23.144

MX 5

10aspmx.l.google.com
20alt1.aspmx.l.google.com
20alt2.aspmx.l.google.com
50alt3.aspmx.l.google.com
50alt4.aspmx.l.google.com

TXT 3

v=spf1 include:_spf.mailersend.net include:spf.mandrillapp.com include:_spf.google.com include:45821491.spf04.hubspotemail.net include:mailgun.org mx a ~all
v=DMARC1; p=reject; rua=mailto:dmarc@zintro.com; adkim=r; aspf=r;
v=BIMI1; l=https://www.zintro.com/new_admin/flexmonster/zintro.svg;a=self;

NS 4

ns-1028.awsdns-00.org
ns-1840.awsdns-38.co.uk
ns-428.awsdns-53.com
ns-732.awsdns-27.net

SOA 1

ns-428.awsdns-53.com slewtan.zintro.net

TLS Certificates (3)

Common Name	Issuer	Expires
`zintro.com`	C=US, O=Let's Encrypt, CN=YR1	Sat, 26 Sep 2026 02:21:17 +0000
`YR1`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +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 zintro.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_cb99377e9d7d4447
Output Hash: 9111f626196f0ee471ba6ae0f59a279ade3da86e5d305a53832a8bf567a4c239
Signature: ed25519:a5464ded5b34fae1d053e4ed6233fe9112f9ba1d6f15ada0f07da42253905685fab61bba8e4dee4b553d756738287a6d824a298d6d7ea2d3bb9304c0e1c55f0c
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/zintro.com