ntp.br

Observed Jul 27, 2026, 09:32 UTC (6d 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.

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Up right now

Runs onNucleo de Inf. e Coord. do Ponto BR - NIC.BR

Secured byLet's Encrypt

IPv6 · 1 subdomain · tranco_5k

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

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

ntp.br

A / AAAA

200.160.6.133200.160.11.1202001:12ff:0:6172:f816:3eff:fe96:4d962001:12ff:0:b112::120

Nucleo de Inf. e Coord. do Ponto BR - NIC.BRserves the site

a.dns.brb.dns.brc.dns.brd.dns.br+1 more

dns.branswers its DNS

TLS

ntp.br

Let's Encryptissued its certificate

DNS Records

A 2

200.160.6.133
200.160.11.120

AAAA 2

2001:12ff:0:6172:f816:3eff:fe96:4d96
2001:12ff:0:b112::120

NS 5

a.dns.br
b.dns.br
c.dns.br
d.dns.br
e.dns.br

SOA 1

a.dns.br hostmaster.registro.br

TLS Certificates (3)

Common Name	Issuer	Expires
`ntp.br`	C=US, O=Let's Encrypt, CN=YR2	Sat, 03 Oct 2026 02:05:22 +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 (1)

www.ntp.br

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.

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Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for ntp.br. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_cd65605ea734a533
Output Hash: 7450511c6f6bb74c5d26ec79519216d0073e1bd7c375dcbfc8d8fa6acb4c3d37
Signature: ed25519:d9d1a30d472822ed5dfdd48ab5380329419ff789121753943c86bd54b42a99a2846487c96b3048d252a3e2299700b1eabefb7aa2522f37e5bddd7d309f43b908
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/ntp.br