amt.com.br

Observed Jul 24, 2026, 08:18 UTC (15h 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 usesGoogle Search Console

2 subdomains · tranco

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

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

amt.com.br

A / AAAA

201.148.210.66

unattributedserves the site

ns4.amt.com.brns.amt.com.brns1.amt.com.brns2.amt.com.br+1 more

amt.com.branswers its DNS

ALT2.ASPMX.L.GOOGLE.COMALT3.ASPMX.L.GOOGLE.COMALT4.ASPMX.L.GOOGLE.COMASPMX.L.GOOGLE.COM+1 more

Google Workspacereceives its email

TLS

amt.com.br

Let's Encryptissued its certificate

DNS Records

A 1

201.148.210.66

MX 5

5ALT2.ASPMX.L.GOOGLE.COM
10ALT3.ASPMX.L.GOOGLE.COM
10ALT4.ASPMX.L.GOOGLE.COM
1ASPMX.L.GOOGLE.COM
5ALT1.ASPMX.L.GOOGLE.COM

TXT 7

mblddc2c76n4fgb6dpbtt9d9nk
google-site-verification=r1hxPk3K1hdM6_lffRYnyEeKqDoezeUVP07GQBxtiIE
v=spf1 a mx ip4:200.189.96.34 ip4:201.148.211.150 ip4:200.189.96.44 ip4:200.189.96.100 ip4:200.189.96.207 ip4:200.189.105.41 ip4:200.189.105.44 ip4:200.189.105.34 ip4:50.19.243.6 include:_spf.google.com ~all
19-05-2022
8j4pe8aa9msrrprlrhjnfbrj4v
dqi4vvi7olkr6st318p01am73o
v=DMARC1; p=none; rua=mailto:postmaster@amt.com.br

NS 5

ns4.amt.com.br
ns.amt.com.br
ns1.amt.com.br
ns2.amt.com.br
ns3.amt.com.br

SOA 1

ns.amt.com.br registro.amt.com.br

SRV 1

mail.amt.net.br:443 p0

TLS Certificates (3)

Common Name	Issuer	Expires
`amt.com.br`	C=US, O=Let's Encrypt, CN=YR2	Sat, 12 Sep 2026 16:33:54 +0000
`YR2`	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 (2)

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

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

Ed25519 Receipt

Receipt ID: rcpt_f8b2b254803bb418
Output Hash: 3adca67300013071d7a3db8b66e082d4e5a168ba2b9facd1f784b9620f9aa400
Signature: ed25519:7bc8401279100f3959572ec910501b73d5fe7630a62810d52b51d8f2bcf22744c2d98bf8e932bec5fce9001a60aee6ac28d27befd9e5df8cdcb97202cc029804
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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