`centertech.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:5a3e^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:99a4^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.90.62^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.153.164^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gina.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a75^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c075^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2075^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gina.ns.cloudflare.com`
		A	108.162.192.117^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
		A	172.64.32.117^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
		A	173.245.58.117^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
NS	`houston.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c34^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c334^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`houston.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2334^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`houston.ns.cloudflare.com`
		A	108.162.195.52^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	162.159.44.52^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	172.64.35.52^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
MX	`mx.site.com.br` ⭐
		A	108.181.214.72^{🇺🇸 AS40676108.181.212.0/22}
			PTR	`vs72.simplehost.com.br`
		A	108.181.214.73^{🇺🇸 AS40676108.181.212.0/22}
			PTR	`vs73.simplehost.com.br`
		A	108.181.214.74^{🇺🇸 AS40676108.181.212.0/22}
			PTR	`vs74.simplehost.com.br`
		A	108.181.214.78^{🇺🇸 AS40676108.181.212.0/22}
			PTR	`vs78.simplehost.com.br`
		A	108.181.214.79^{🇺🇸 AS40676108.181.212.0/22}
			PTR	`vs79.simplehost.com.br`
TXT	`v=spf1 include:spf.site.com.br ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.90.62, 172.67.153.164
		IPv6 hints	2606:4700:3031::6815:5a3e, 2606:4700:3033::ac43:99a4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=91, name=cloudflare-ech.com
SOA	`gina.ns.cloudflare.com`dns@cloudflare.com serial=2406737072

`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=2026191478

rank #539671 globally
rank #4024 in the tld
WOT: SAFE (69/100)

Previously MX for

centertech.com.br

Same first word

centertech.com

centertech.co

centertech.de

centertech.info

centertech.com.br

centertech.ru

centertech.no

centertech.cn

centertech.ch

centertech.org

Similar names

DNS History

14 records (7 active, 7 former)

●NSgina.ns.cloudflare.com2026-06-27 → 2026-07-10 · 3 obs

○ 2020-01-12 11:34:00
● 2026-06-27 01:56:50
● 2026-07-10 20:28:24

●NShouston.ns.cloudflare.com2026-06-27 → 2026-07-10 · 3 obs

○ 2020-01-12 11:34:00
● 2026-06-27 01:56:50
● 2026-07-10 20:28:24

○NSns360.hostgator.com.br2015-07-12 → 2020-01-12 · 4 obs

● 2015-07-12 02:08:26
● 2020-01-12 11:34:00
○ 2026-06-27 01:56:50
○ 2026-07-10 20:28:24

○NSns361.hostgator.com.br2015-07-12 → 2020-01-12 · 4 obs

● 2015-07-12 02:08:26
● 2020-01-12 11:34:00
○ 2026-06-27 01:56:50
○ 2026-07-10 20:28:24

○MXcentertech.com.br2015-07-12 → 2020-01-12 · 4 obs

● 2015-07-12 02:08:26
● 2020-01-12 11:34:00
○ 2026-06-27 01:56:50
○ 2026-07-10 20:28:24

●MXmx.site.com.br2026-06-27 → 2026-07-10 · 3 obs

○ 2020-01-12 11:34:00
● 2026-06-27 01:56:50
● 2026-07-10 20:28:24

○MXzmail.centertech.com.br2015-11-17 → 2020-01-12 · 5 obs

○ 2015-07-12 02:08:26
● 2015-11-17 14:55:26
● 2020-01-12 11:34:00
○ 2026-06-27 01:56:50
○ 2026-07-10 20:28:24

●A104.21.90.622026-06-27 → 2026-07-10 · 3 obs

○ 2020-01-12 11:34:00
● 2026-06-27 01:56:50
● 2026-07-10 20:28:24

○A108.167.188.352015-07-12 → 2020-01-12 · 4 obs

● 2015-07-12 02:08:26
● 2020-01-12 11:34:00
○ 2026-06-27 01:56:50
○ 2026-07-10 20:28:24

●A172.67.153.1642026-06-27 → 2026-07-10 · 3 obs

○ 2020-01-12 11:34:00
● 2026-06-27 01:56:50
● 2026-07-10 20:28:24

○A191.184.239.2172015-11-17 → 2020-01-12 · 5 obs

○ 2015-07-12 02:08:26
● 2015-11-17 14:55:26
● 2020-01-12 11:34:00
○ 2026-06-27 01:56:50
○ 2026-07-10 20:28:24

○A2606:4700:3030::ac43:99a42026-06-27 → 2026-06-27 · 4 obs

○ 2020-01-12 11:34:00
● 2026-06-27 01:56:50
○ 2026-07-10 20:28:22
○ 2026-07-10 20:28:24

●A2606:4700:3031::6815:5a3e2026-06-27 → 2026-07-10 · 3 obs

○ 2020-01-12 11:34:00
● 2026-06-27 01:56:50
● 2026-07-10 20:28:24

●A2606:4700:3033::ac43:99a42026-07-10 → 2026-07-10 · 3 obs

○ 2026-06-27 01:56:50
● 2026-07-10 20:28:22
● 2026-07-10 20:28:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	d.dns.br, b.dns.br, f.dns.br, a.dns.br...	-
centertech.com.br	gina.ns.cloudflare.com, houston.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.117

NS records: gina.ns.cloudflare.com, houston.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 778ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.153.164, 104.21.90.62`
AAAA	2	`2606:4700:3031::6815:5a3e, 2606:4700:3033::ac43:99a4`
NS	2	`gina.ns.cloudflare.com, houston.ns.cloudflare.com`
MX	1	`mx.site.com.br (pri: 10)`
TXT	1	`v=spf1 include:spf.site.com.br ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gina.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

centertech.com.br points to the four IP addresses 104.21.90.62, 172.67.153.164, 2606:4700:3031::6815:5a3e and 2606:4700:3033::ac43:99a4.

landesspiegel.li, decorroom.id, landungsbruecken.com and two other host names share IP numbers with centertech.com.br.

Name Servers

centertech.com.br uses two name servers for its delegation: gina.ns.cloudflare.com and houston.ns.cloudflare.com.

centertech.com.br uses the same name servers as several other domains — among them mylink.com.tw, guda-guda.com, hccschool.workers.dev and two more.

There is at least partial name server overlap between centertech.com.br and other domains — iazzvhkwii.top, edutracking.vn, fauowlsnest.com and two more among them.

The name servers pablo.ns.cloudflare.com, zariyah.ns.cloudflare.com and dave.ns.cloudflare.com are often found in combination with these name servers.

Hostnames that resolve to 6 IP addresses:

Hostname gina.ns.cloudflare.com directs to 108.162.192.117, 172.64.32.117 and 173.245.58.117 along with 3 other IP addresses.

Hostname houston.ns.cloudflare.com directs to 108.162.195.52, 162.159.44.52 and 172.64.35.52 along with 3 other IP addresses.

Mail Servers

Mail for centertech.com.br is handled by a single mail server, mx.site.com.br.

centertech.com.br uses an identical mail server configuration to several other domains — among them candycartsgourmet.com.br, website.com.br, medicalfire.com.br and two more.

mx.site.com.br directs to five IP numbers: 108.181.214.72, 108.181.214.73, 108.181.214.74 and two others.

centertech.com.br - robtex.com