a.ntp.br - robtex.com

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a.ntp.br

DNSSEC🔒 Signed (DS record present)
A2001:12ff::8🇧🇷 REGISTROBRNET
PTRa.ntp.br
A200.160.0.8🇧🇷 REGISTROBRNET

ntp.br

DNSSEC🔒 Signed (DS record present)
A2001:12ff:0:6172:f816:3eff:fe96:4d96🇧🇷 REGISTROBRNET
A2001:12ff:0:b112::120🇧🇷 REGISTROBRNET
A200.160.6.133🇧🇷 REGISTROBRNET
A200.160.11.120🇧🇷 REGISTROBRNET
NSa.dns.br ⭐ ⚠️ 🔒
NSb.dns.br⚠️ 🔒
NSc.dns.br⚠️ 🔒
NSd.dns.br⚠️ 🔒
NSe.dns.br⚠️ 🔒
SOAa.dns.brhostmaster@registro.br 2026-01-24 #0
📈 Tranco rank: #1,463

NTP.br - Brazil's Official Time Synchronization Service

NTP.br is Brazil's official Network Time Protocol service, providing accurate time synchronization aligned with Hora Legal Brasileira (Brazilian Legal Time). The service is operated through a partnership between the Observatório Nacional (ON), legally responsible for Brazil's national time standard, and NIC.br, the organization that manages Brazil's internet infrastructure under CGI.br (Brazilian Internet Steering Committee).

Services

  • NTP Servers - Multiple stratum-1 servers with GPS references, supporting both IPv4 and IPv6
  • NTS (Network Time Security) - Encrypted, secure time synchronization protocol
  • Configuration Guides - Setup instructions for Windows, Linux, macOS, routers, and mobile devices
  • Educational Resources - Documentation about time protocols and synchronization best practices

Hosting Infrastructure

TypeDetails
IPv4200.160.6.133, 200.160.11.120
IPv62001:12ff:0:6172:f816:3eff:fe96:4d96, 2001:12ff:0:b112::120
Nameserversa.dns.br, b.dns.br, c.dns.br, d.dns.br, e.dns.br
ASNREGISTROBRNET (Registro.br)
DNSSECEnabled (DS record present)
Tranco Rank#1,463

The domain is hosted entirely within Brazil's authoritative DNS infrastructure managed by Registro.br, with all five nameservers providing dual-stack (IPv4/IPv6) connectivity across geographically distributed locations.

PTR for

8.0.160.200.in-addr.arpa
8.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.f.f.2.1.1.0.0.2.ip6.arpa

Up

a2.a.ntp.br
a1.a.ntp.br

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🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bra.dns.br, b.dns.br, c.dns.br, d.dns.br...-

✅ Authoritative Response

Server: 200.219.148.10

NS records: a.dns.br, b.dns.br, c.dns.br, d.dns.br, e.dns.br, f.dns.br

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 394ms | Queries: -

📄 Records

TypeCountSample Data
A1200.160.0.8
AAAA12001:12ff::8

AI analysis

a.ntp.br is a parent of a2.a.ntp.br and a1.a.ntp.br.

a.ntp.br points to two IPs: 2001:12ff::8 and 200.160.0.8.

Other host names such as 0.br.pool.ntp.org, br.pool.ntp.org, ntp.leucotron.com.br and pool.ntp.br share IP numbers with a.ntp.br.