`centroquantec.com.br`

DNSSEC	⚠️ Not signed
A	2804:10:8015::136:149^{🇧🇷 IPV6-INTERNET2804:10:8000::/34 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
A	187.1.136.149^{🇧🇷 IPV6-INTERNET187.1.136.0/23 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
NS	`dns1.rcelo.com.br` ⭐
		A	189.38.95.2^{🇧🇷 IPV6-INTERNET189.38.94.0/23 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
			PTR	`dns1.uni5.net`
NS	`dns2.rcelo.com.br`
		A	189.38.95.3^{🇧🇷 IPV6-INTERNET189.38.94.0/23 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
			PTR	`dns2.uni5.net`
NS	`dns3.rcelo.com.br`
		A	177.12.162.2^{🇧🇷 IPV6-INTERNET177.12.160.0/22 IPV6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
NS	`dns4.rcelo.com.br`
		A	177.12.162.3^{🇧🇷 IPV6-INTERNET177.12.160.0/22 IPV6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
MX	`mx-vip-01.uni5.net` ⭐
		A	2804:10:8028::220:38^{🇧🇷 IPV6-INTERNET2804:10:8000::/34 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
		A	191.6.220.38^{🇧🇷 IPV6-INTERNET191.6.220.0/23 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
			PTR	`mx-vip-01-farm28.uni5.net`
MX	`mx-vip-02.uni5.net` ⭐
		A	2804:10:8028::220:39^{🇧🇷 IPV6-INTERNET2804:10:8000::/34 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
		A	191.6.220.39^{🇧🇷 IPV6-INTERNET191.6.220.0/23 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
			PTR	`mx-vip-02-farm28.uni5.net`
TXT	`v=spf1 include:_spf.uni5.net -all`
SOA	`dns1.rcelo.com.br`abuse@uni5.net serial=2603100067

`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=2026084434

rank #563805 globally
rank #4158 in the tld
WOT: SAFE (69/100)

Previously MX for

centroquantec.com.br

Same first word

centroquantec.com.br

Similar names

contractqueen.com

DNS History

12 records (8 active, 4 former)

●NSdns1.rcelo.com.br2026-03-09 → 2026-03-25 · 3 obs

○ 2018-05-11 15:10:06
● 2026-03-09 20:59:58
● 2026-03-25 18:23:32

●NSdns2.rcelo.com.br2026-03-09 → 2026-03-25 · 3 obs

○ 2018-05-11 15:10:06
● 2026-03-09 20:59:58
● 2026-03-25 18:23:32

●NSdns3.rcelo.com.br2026-03-09 → 2026-03-25 · 3 obs

○ 2018-05-11 15:10:06
● 2026-03-09 20:59:58
● 2026-03-25 18:23:32

●NSdns4.rcelo.com.br2026-03-09 → 2026-03-25 · 3 obs

○ 2018-05-11 15:10:06
● 2026-03-09 20:59:58
● 2026-03-25 18:23:32

○NSns1.vsihost.com.br2018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 15:10:06
○ 2026-03-09 20:59:58
○ 2026-03-25 18:23:32

○NSns2.vsihost.com.br2018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 15:10:06
○ 2026-03-09 20:59:58
○ 2026-03-25 18:23:32

○MXcentroquantec.com.br2018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 15:10:06
○ 2026-03-09 20:59:58
○ 2026-03-25 18:23:32

●MXmx-vip-01.uni5.net2026-03-09 → 2026-03-25 · 3 obs

○ 2018-05-11 15:10:06
● 2026-03-09 20:59:58
● 2026-03-25 18:23:32

●MXmx-vip-02.uni5.net2026-03-09 → 2026-03-25 · 3 obs

○ 2018-05-11 15:10:06
● 2026-03-09 20:59:58
● 2026-03-25 18:23:32

●A187.1.136.1492026-03-09 → 2026-03-25 · 3 obs

○ 2018-05-11 15:10:06
● 2026-03-09 20:59:58
● 2026-03-25 18:23:32

○A198.136.59.2392018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 15:10:06
○ 2026-03-09 20:59:58
○ 2026-03-25 18:23:32

●A2804:10:8015::136:1492026-03-09 → 2026-03-25 · 3 obs

○ 2018-05-11 15:10:06
● 2026-03-09 20:59:58
● 2026-03-25 18:23:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
centroquantec.com.br	dns1.rcelo.com.br, dns2.rcelo.com.br, dns3.rcelo.com.br, dns4.rcelo.com.br	4 records

✅ Authoritative Response

Server:177.12.162.2

NS records: dns1.rcelo.com.br, dns2.rcelo.com.br, dns3.rcelo.com.br, dns4.rcelo.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 696ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`187.1.136.149`
AAAA	1	`2804:10:8015::136:149`
NS	4	`dns4.rcelo.com.br, dns2.rcelo.com.br...`
MX	2	`mx-vip-01.uni5.net (pri: 5), mx-vip-02.uni5.net (pri: 5)`
TXT	1	`v=spf1 include:_spf.uni5.net -all`
SOA	1	`dns1.rcelo.com.br abuse.uni5.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns1.rcelo.com.br, dns2.rcelo.com.br, dns3.rcelo.com.br...)

Analysis

IP Addresses

centroquantec.com.br resolves to two IP numbers: 2804:10:8015::136:149 and 187.1.136.149.

other host names including skybiz.com.br, lola.pe, web15f49.uni5.net, ge1.com.br and dnfg.com.br share IP numbers with centroquantec.com.br.

Name Servers

centroquantec.com.br is delegated to four name servers: dns1.rcelo.com.br, dns2.rcelo.com.br, dns3.rcelo.com.br and dns4.rcelo.com.br.

centroquantec.com.br at least partially shares name servers with other domains, for instance simonemalhas.com.br, artrarus.com.br, ntintas.com.br, metalquality.com.br and southtools.com.br.

Host names with one IP number: dns1.rcelo.com.br points to 189.38.95.2; dns2.rcelo.com.br points to 189.38.95.3; dns3.rcelo.com.br points to 177.12.162.2; dns4.rcelo.com.br points to 177.12.162.3.

Mail Servers

Two mail servers handle centroquantec.com.br: mx-vip-01.uni5.net and mx-vip-02.uni5.net.

centroquantec.com.br shares the same mail server setup as other domains, for instance music-group.com.br, publiconline.com.br, informaticabetel.com.br, web-se.com and pousadabelezapura.com.br.

Host names with two IP numbers:

The host name mx-vip-01.uni5.net points to 2804:10:8028::220:38 and 191.6.220.38; the host name mx-vip-02.uni5.net points to 2804:10:8028::220:39 and 191.6.220.39.

centroquantec.com.br - robtex.com