`martte.tec.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:d38d^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:3d9e^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.61.158^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.211.141^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alex.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b64^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c164^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alex.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2164^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alex.ns.cloudflare.com`
		A	108.162.193.100^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	172.64.33.100^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	173.245.59.100^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
NS	`fish.ns.cloudflare.com`
		A	2606:4700:50::a29f:26fc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fish.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2fc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`fish.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22fc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`fish.ns.cloudflare.com`
		A	108.162.194.252^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fish.ns.cloudflare.com`
		A	162.159.38.252^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fish.ns.cloudflare.com`
		A	172.64.34.252^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fish.ns.cloudflare.com`
MX	`mx.b.locaweb.com.br` ⭐
		A	177.153.23.242^{🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA}
			PTR	`mx.b.locaweb.com.br`
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.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 include:_spf.locaweb.com.br -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.61.158, 172.67.211.141
		IPv6 hints	2606:4700:3031::ac43:d38d, 2606:4700:3037::6815:3d9e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=206, name=cloudflare-ech.com
SOA	`alex.ns.cloudflare.com`dns@cloudflare.com serial=2410009030

`tec.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=2026227000

rank #13431 globally
rank #89 in the tld

tec.br

tec.bris a second-level domain category within Brazil's.brnamespace, reserved for technology companies and professionals. It is administered by Registro.br, the domain registry operated by NIC.br under the Brazilian Internet Steering Committee (CGI.br).

Key facts

Owner / operator: NIC.br / Registro.br (CGI.br — Brazilian Internet Steering Committee)
TLD:.br— Brazil (ccTLD)
Primary purpose: Domain registration namespace for technology-related entities and professionals in Brazil; registrations take the formexample.tec.br
Status: Active (open for third-level registrations)

Notable subdomains or services

*.tec.br— any Brazilian technology company or professional may register a domain under this namespace (e.g.,empresa.tec.br); registration is managed through Registro.br

Related domains

registro.br— the official domain registration portal for all.brsecond-level categories
nic.br— NIC.br, the technical operator of Brazil's.brnamespace
adm.br,nom.br,com.br,net.br,org.br— sibling second-level categories under.brserving other entity types

Same first word

martte.tec.br

martte.com

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DNS History

14 records (10 active, 4 former)

●NSalex.ns.cloudflare.com2026-08-14 → 2026-08-15 · 2 obs

● 2026-08-14 16:37:48
● 2026-08-15 00:05:12

●NSfish.ns.cloudflare.com2026-08-14 → 2026-08-15 · 2 obs

● 2026-08-14 16:37:48
● 2026-08-15 00:05:12

●MXmx.a.locaweb.com.br2026-08-14 → 2026-08-15 · 2 obs

● 2026-08-14 16:37:48
● 2026-08-15 00:05:12

●MXmx.b.locaweb.com.br2026-08-14 → 2026-08-15 · 2 obs

● 2026-08-14 16:37:48
● 2026-08-15 00:05:12

●MXmx.core.locaweb.com.br2026-08-14 → 2026-08-15 · 2 obs

● 2026-08-14 16:37:48
● 2026-08-15 00:05:12

●MXmx.jk.locaweb.com.br2026-08-14 → 2026-08-15 · 2 obs

● 2026-08-14 16:37:48
● 2026-08-15 00:05:12

●A104.21.61.1582026-08-15 → 2026-08-15 · 2 obs

○ 2026-08-14 16:37:48
● 2026-08-15 00:05:12

●A172.67.211.1412026-08-15 → 2026-08-15 · 2 obs

○ 2026-08-14 16:37:48
● 2026-08-15 00:05:12

○A188.114.96.02026-08-14 → 2026-08-14 · 2 obs

● 2026-08-14 16:37:48
○ 2026-08-15 00:05:12

○A188.114.97.02026-08-14 → 2026-08-14 · 2 obs

● 2026-08-14 16:37:48
○ 2026-08-15 00:05:12

●A2606:4700:3031::ac43:d38d2026-08-15 → 2026-08-15 · 2 obs

○ 2026-08-14 16:37:48
● 2026-08-15 00:05:12

●A2606:4700:3037::6815:3d9e2026-08-15 → 2026-08-15 · 2 obs

○ 2026-08-14 16:37:48
● 2026-08-15 00:05:12

○A2a06:98c1:3120::2026-08-14 → 2026-08-14 · 2 obs

● 2026-08-14 16:37:48
○ 2026-08-15 00:05:12

○A2a06:98c1:3121::2026-08-14 → 2026-08-14 · 2 obs

● 2026-08-14 16:37:48
○ 2026-08-15 00:05:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
martte.tec.br	alex.ns.cloudflare.com, fish.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.100

NS records: alex.ns.cloudflare.com, fish.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for martte.tec.br (unsigned zone)

⏱️ Timing

Total: 599ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.61.158, 172.67.211.141`
AAAA	2	`2606:4700:3037::6815:3d9e, 2606:4700:3031::ac43:d38d`
NS	2	`alex.ns.cloudflare.com, fish.ns.cloudflare.com`
MX	4	`mx.b.locaweb.com.br (pri: 10), mx.core.locaweb.com.br (pri: 10)...`
TXT	1	`v=spf1 include:_spf.locaweb.com.br -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alex.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

martte.tec.br has four IP addresses: 104.21.61.158, 172.67.211.141, 2606:4700:3031::ac43:d38d and 2606:4700:3037::6815:3d9e.

x3f-5r.work, microomnilabs.sbs, trentdale.site and two other host names share IP numbers with martte.tec.br.

Name Servers

The NS records for martte.tec.br delegate to alex.ns.cloudflare.com and fish.ns.cloudflare.com.

martte.tec.br uses the same name servers as several other domains — among them vicedalepd.com, lysafe.com, ican.mx and two more.

martte.tec.br has at least partial name server overlap with other domains, such as acfreezer.com, richwise.ru, labacquirego.info and two others.

These name servers tend to appear together with the name servers gabe.ns.cloudflare.com, malcolm.ns.cloudflare.com and nikon.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

alex.ns.cloudflare.com maps to 108.162.193.100, 172.64.33.100, 173.245.59.100 and 3 additional IP addresses.

fish.ns.cloudflare.com maps to 108.162.194.252, 162.159.38.252, 172.64.34.252 and 3 additional IP addresses.

Mail Servers

Four mail servers handle email for martte.tec.br: mx.a.locaweb.com.br, mx.b.locaweb.com.br, mx.core.locaweb.com.br and mx.jk.locaweb.com.br.

martte.tec.br has at least partial mail server overlap with other domains such as ultracompany.com.br, anoregam.org.br, metatecnologia.com.br and two more.

Each of the four hosts mx.a.locaweb.com.br, mx.b.locaweb.com.br, mx.core.locaweb.com.br and mx.jk.locaweb.com.br points to a single IP address — mx.a.locaweb.com.br points to 186.202.4.42, mx.b.locaweb.com.br points to 177.153.23.242, mx.core.locaweb.com.br points to 177.153.23.241 and mx.jk.locaweb.com.br points to 200.234.204.130.

martte.tec.br - robtex.com

martte.tec.br

tec.br

tec.br

Key facts

Notable subdomains or services

Related domains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`martte.tec.br`

`tec.br`