🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`ns1.castelapi.com.br`

DNSSEC	⚠️ Not signed
A	2804:4afc:f000::12a^{🇧🇷 AS67TELECOM2804:4afc:c000::/34 AS61614 - 67 Telecom prefix 2804:4afc:C000::/34}
		PTR	`ns1.castelapi.com.br`
A	38.236.100.1^{🇺🇸 COGENT38.0.0.0/8 Cogent}

`castelapi.com.br`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3030::6815:3a92^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:a060^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.58.146^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.160.96^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`adele.ns.cloudflare.com` ⭐
NS	`brady.ns.cloudflare.com`
MX	`mail.castelapi.com.br` ⭐
TXT	`v=spf1 mx a:mail.castelapi.com.br ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.58.146, 172.67.160.96
		IPv6 hints	2606:4700:3030::6815:3a92, 2606:4700:3037::ac43:a060
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=248, name=cloudflare-ech.com
SOA	`adele.ns.cloudflare.com`dns@cloudflare.com serial=2417263341

PTR for

1.100.236.38.in-addr.arpa

NS for

67telecom.net.br

125.187.45.in-addr.arpa

124.187.45.in-addr.arpa

126.187.45.in-addr.arpa

127.187.45.in-addr.arpa

Same first word

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ns1.run

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ns1.us

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ns1.hu

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ns1.myasustor.com

ns1.dscloud.mobi

ns1.com.tr

ns1.gov.sc

ns1.demo.jelastic.com

ns1.wf

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ns1.ws

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ns1.lt

ns1.group

ns1.co.nz

ns1.mcdir.ru

ns1.servehttp.com

ns1.co.za

ns1.host

ns1.gov.az

ns1.pa.gov.br

ns1.dev

ns1.help

ns1.store

ns1.rr.gov.br

ns1.carrd.co

ns1.re

ns1.az

ns1.onl

ns1.gov.ph

ns1.in-berlin.de

ns1.fastlylb.net

ns1.edu.tt

ns1.ai

ns1.ac.lk

ns1.pe.gov.br

ns1.biz

ns1.lu

ns1.ro.gov.br

ns1.yt

ns1.ac.gov.br

ns1.world

ns1.nic.in

ns1.vn.ua

ns1.pages.dev

ns1.tech

ns1.mk

ns1.to

ns1.asia

ns1.is-a.dev

ns1.live

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ns1.jls-sto1.elastx.net

ns1.eu

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sn1.coffee

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ns1.gn

ns1.cloudjiffy.net

ns1.dynv6.net

ns1.com.ua

ns1.domains

ns1.de.trendhosting.cloud

ns1.gov.mu

ns1.agency

s1n.ch

ns1.dscloud.biz

ns1.cl

ns1.wine

sn1.io

ns1.mt

ns1.sc.gov.br

s1n.click

ns1.space

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1ns.ir

ns1.org

ns1.conn.uk

1ns.lol

ns1.uz

1sn.xyz

ns1.cloudapp.net

ns1.dnshome.de

ns1.fr

ns1.tn.oxa.cloud

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ns1.dy.fi

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ns1.j.layershift.co.uk

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ns1.net.ua

ns1.email

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s1n.casino

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1sn.ph

ns1.alp1.ae.flow.ch

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ns1.ink

n1s.workers.dev

ns1.nc

sn1.pages.dev

ns1.familyds.org

s1n.xyz

ns1.ru

sn1.ru

1ns.za.com

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1sn.sk

ns1.ryd.wafaicloud.com

sn1.se

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ns1.sh

ns1.lug.org.uk

1sn.cc

ns1.my

sn1.cn

ns1.io

ns1.vn

ns1.nz

ns1.no-ip.info

1ns.mx

1sn.jp

ns1.site

ns1.easypanel.host

sn1.zone

n1s.org

ns1.jed.wafaicloud.com

1ns.eu

ns1.mydns.jp

ns1.my.id

ns1.k12.ms.us

ns1.ras.ru

ns1.no-ip.net

ns1.ph

sn1.store

ns1.xmit.dev

sn1.de

sn1.to

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sn1.cc

ns1.lib.md.us

ns1.com.hr

ns1.gov.vc

ns1.ne.kr

1ns.at

ns1.github.io

sn1.network

sn1.biz

ns1.stream

n1s.com

ns1.bplaced.net

ns1.3utilities.com

ns1.pi.gov.br

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s1n.top

ns1.law.za

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ns1.rag-cloud.hosteur.com

1ns.com

s1n.cn

ns1.no

1ns.ru

Previous names

Next names

DNS History

2 records (2 active, 0 former)

●A2804:4afc:f000::12a2026-09-30 → 2026-10-15 · 2 obs

● 2026-09-30 03:52:54
● 2026-10-15 02:30:48

●A38.236.100.12026-09-30 → 2026-10-15 · 2 obs

● 2026-09-30 03:52:54
● 2026-10-15 02:30:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
castelapi.com.br	adele.ns.cloudflare.com, brady.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.156

NS records: adele.ns.cloudflare.com, brady.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1260ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.236.100.1`
AAAA	1	`2804:4afc:f000::12a`

Analysis

Name Server Role

ns1.castelapi.com.br is listed as a name server for 67telecom.net.br, 125.187.45.in-addr.arpa, 124.187.45.in-addr.arpa and two other zones.

ns2.castelapi.com.br is often paired with ns1.castelapi.com.br as a name server.

IP Addresses

ns1.castelapi.com.br directs to two IP numbers, 38.236.100.1 and 2804:4afc:f000::12a

ns1.castelapi.com.br - robtex.com