`extintuba.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:39a7^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:a4ec^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.57.167^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.164.236^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ashton.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cad^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ashton.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ad^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ashton.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ad^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ashton.ns.cloudflare.com`
		A	108.162.195.173^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ashton.ns.cloudflare.com`
		A	162.159.44.173^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ashton.ns.cloudflare.com`
		A	172.64.35.173^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ashton.ns.cloudflare.com`
NS	`emerie.ns.cloudflare.com`
		A	2606:4700:50::a29f:2673^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c273^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`emerie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2273^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`emerie.ns.cloudflare.com`
		A	108.162.194.115^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerie.ns.cloudflare.com`
		A	162.159.38.115^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerie.ns.cloudflare.com`
		A	172.64.34.115^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerie.ns.cloudflare.com`
MX	`mx.core.locaweb.com.br` ⭐
		A	177.153.23.241^{🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA}
			PTR	`mx.core.locaweb.com.br`
MX	`mx.a.locaweb.com.br`⁽²⁰⁾
		A	186.202.4.42^{🇧🇷 Locaweb186.202.0.0/19 Servicos de Internet SA}
			PTR	`mx.a.locaweb.com.br`
MX	`mx.b.locaweb.com.br`⁽²⁰⁾
		A	177.153.23.242^{🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA}
			PTR	`mx.b.locaweb.com.br`
MX	`mx.jk.locaweb.com.br`⁽²⁰⁾
		A	200.234.204.130^{🇧🇷 Locaweb200.234.192.0/20 Servicos de Internet SA}
			PTR	`mx.jk.locaweb.com.br`
TXT	`v=spf1 ip4:162.214.102.94 include:_spf.locaweb.com.br -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.57.167, 172.67.164.236
		IPv6 hints	2606:4700:3036::6815:39a7, 2606:4700:3036::ac43:a4ec
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=10, name=cloudflare-ech.com
SOA	`ashton.ns.cloudflare.com`dns@cloudflare.com serial=2410606216

`com.br`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.br` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.br` ⚠️ Not in parent delegation
	NS	`c.dns.br` ⚠️ Not in parent delegation
	NS	`d.dns.br` ⚠️ Not in parent delegation
	NS	`e.dns.br` ⚠️ Not in parent delegation
	NS	`f.dns.br` ⚠️ Not in parent delegation
	SOA	`a.dns.br`hostmaster@registro.br serial=2026225354

rank #535162 globally
rank #3733 in the tld
WOT: SAFE (69/100)

Same first word

extintuba.com.br

DNS History

16 records (10 active, 6 former)

●NSashton.ns.cloudflare.com2026-07-20 → 2026-08-13 · 3 obs

○ 2020-04-05 08:19:30
● 2026-07-20 20:15:04
● 2026-08-13 15:11:44

●NSemerie.ns.cloudflare.com2026-07-20 → 2026-08-13 · 3 obs

○ 2020-04-05 08:19:30
● 2026-07-20 20:15:04
● 2026-08-13 15:11:44

○NSns1.discoverymktdigital.com.br2026-07-20 → 2026-08-13 · 2 obs

○ 2026-07-20 20:15:04
○ 2026-08-13 15:11:44

○NSns1.projetosmpi.com.br2020-04-05 → 2020-04-05 · 3 obs

● 2020-04-05 08:19:30
○ 2026-07-20 20:15:04
○ 2026-08-13 15:11:44

○NSns2.discoverymktdigital.com.br2026-07-20 → 2026-08-13 · 2 obs

○ 2026-07-20 20:15:04
○ 2026-08-13 15:11:44

○NSns2.projetosmpi.com.br2020-04-05 → 2020-04-05 · 3 obs

● 2020-04-05 08:19:30
○ 2026-07-20 20:15:04
○ 2026-08-13 15:11:44

●MXmx.a.locaweb.com.br2020-04-05 → 2026-08-13 · 2 obs

● 2020-04-05 08:19:30
● 2026-08-13 15:11:44

●MXmx.b.locaweb.com.br2020-04-05 → 2026-08-13 · 2 obs

● 2020-04-05 08:19:30
● 2026-08-13 15:11:44

●MXmx.core.locaweb.com.br2020-04-05 → 2026-08-13 · 2 obs

● 2020-04-05 08:19:30
● 2026-08-13 15:11:44

●MXmx.jk.locaweb.com.br2020-04-05 → 2026-08-13 · 2 obs

● 2020-04-05 08:19:30
● 2026-08-13 15:11:44

●A104.21.57.1672026-07-20 → 2026-08-13 · 3 obs

○ 2020-04-05 08:19:30
● 2026-07-20 20:15:04
● 2026-08-13 15:11:44

○A162.214.102.942026-07-20 → 2026-08-13 · 2 obs

○ 2026-07-20 20:15:04
○ 2026-08-13 15:11:44

○A162.214.69.462020-04-05 → 2020-04-05 · 3 obs

● 2020-04-05 08:19:30
○ 2026-07-20 20:15:04
○ 2026-08-13 15:11:44

●A172.67.164.2362026-07-20 → 2026-08-13 · 3 obs

○ 2020-04-05 08:19:30
● 2026-07-20 20:15:04
● 2026-08-13 15:11:44

●A2606:4700:3036::6815:39a72026-07-20 → 2026-08-13 · 3 obs

○ 2020-04-05 08:19:30
● 2026-07-20 20:15:04
● 2026-08-13 15:11:44

●A2606:4700:3036::ac43:a4ec2026-07-20 → 2026-08-13 · 3 obs

○ 2020-04-05 08:19:30
● 2026-07-20 20:15:04
● 2026-08-13 15:11:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
extintuba.com.br	ashton.ns.cloudflare.com, emerie.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.115

NS records: ashton.ns.cloudflare.com, emerie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for extintuba.com.br (unsigned zone)

⏱️ Timing

Total: 733ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.57.167, 172.67.164.236`
AAAA	2	`2606:4700:3036::6815:39a7, 2606:4700:3036::ac43:a4ec`
NS	2	`ashton.ns.cloudflare.com, emerie.ns.cloudflare.com`
MX	4	`mx.core.locaweb.com.br (pri: 10), mx.a.locaweb.com.br (pri: 20)...`
TXT	1	`v=spf1 ip4:162.214.102.94 include:_spf.l`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ashton.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

extintuba.com.br points to the four IP addresses 104.21.57.167, 172.67.164.236, 2606:4700:3036::6815:39a7 and 2606:4700:3036::ac43:a4ec.

Additional host names — www.btcaurafluxv11.com, redm.madridiario.es, 023yidashiye.cn and two others — share IP numbers with extintuba.com.br.

Name Servers

extintuba.com.br is delegated to two name servers: ashton.ns.cloudflare.com and emerie.ns.cloudflare.com.

extintuba.com.br shares its name server setup with other domains, including marlin.com.tr, installarbauru.com.br, ibdi-edu.com.br and two others.

The name servers of extintuba.com.br overlap at least partially with those of other domains — among them yunwangzherongyaorukou.asia, robertneimeyerphd.com, kaset1009.com and two more.

These name servers commonly co-occur with the name servers nova.ns.cloudflare.com, davina.ns.cloudflare.com, guss.ns.cloudflare.com and eve.ns.cloudflare.com.

Host names with 6 IP numbers:

ashton.ns.cloudflare.com resolves to 108.162.195.173, 162.159.44.173, 172.64.35.173 and 3 other IP addresses.

emerie.ns.cloudflare.com resolves to 108.162.194.115, 162.159.38.115, 172.64.34.115 and 3 other IP addresses.

Mail Servers

The four mail servers for extintuba.com.br are mx.a.locaweb.com.br, mx.b.locaweb.com.br, mx.core.locaweb.com.br and mx.jk.locaweb.com.br.

extintuba.com.br shares mail servers — at least in part — with other domains, including fundepe.org.br, garagelab.com, lqf.com.br and two others.

mx.a.locaweb.com.br, mx.b.locaweb.com.br, mx.core.locaweb.com.br and mx.jk.locaweb.com.br each resolve to one IP address: mx.a.locaweb.com.br resolves to 186.202.4.42, mx.b.locaweb.com.br resolves to 177.153.23.242, mx.core.locaweb.com.br resolves to 177.153.23.241 and mx.jk.locaweb.com.br resolves to 200.234.204.130.

extintuba.com.br - robtex.com

extintuba.com.br

com.br

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`extintuba.com.br`

`com.br`