pretech.com.br - dns.ninja

`pretech.com.br`

DNSSEC	⚠️ Not signed
A	2804:10:8010::223:113^{🇧🇷 IPV6-INTERNET2804:10:8000::/34 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
A	191.6.223.113^{🇧🇷 IPV6-INTERNET191.6.222.0/23 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
NS	`dns1.kinghost.com.br` ⭐
		A	2400:cb00:2049:1::a29f:18aa^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.24.170^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns2.kinghost.com.br`
		A	2400:cb00:2049:1::a29f:19f9^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.25.249^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns3.kinghost.com.br` ⚠️ Not in zone NS records
		A	2400:cb00:2049:1::a29f:1890^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`powerdns-prod04.dc.tutum.co`
		A	162.159.24.144^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`powerdns-prod04.dc.tutum.co`
NS	`dns4.kinghost.com.br` ⚠️ Not in zone NS records
		A	2400:cb00:2049:1::a29f:1914^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.25.20^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns5.kinghost.com.br` ⚠️ Not in zone NS records
		A	2400:cb00:2049:1::a29f:18bc^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.24.188^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns6.kinghost.com.br` ⚠️ Not in zone NS records
		A	2400:cb00:2049:1::a29f:195d^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.25.93^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx-vip-01.kinghost.net` ⭐
		A	2804:10:8016::216:38^{🇧🇷 IPV6-INTERNET2804:10:8000::/34 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
		A	191.6.216.38^{🇧🇷 IPV6-INTERNET191.6.216.0/23 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
MX	`mx-vip-02.kinghost.net` ⭐
		A	2804:10:8016::216:39^{🇧🇷 IPV6-INTERNET2804:10:8000::/34 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
		A	191.6.216.39^{🇧🇷 IPV6-INTERNET191.6.216.0/23 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
TXT	`v=spf1 include:_spf.kinghost.net -all`
SOA	`dns1.kinghost.com.br`abuse@kinghost.net serial=2606300045

`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=2026202166

rank #537736 globally
rank #3974 in the tld
WOT: SAFE (69/100)

Previously NS for

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DNS History

18 records (10 active, 8 former)

●NSdns1.kinghost.com.br2026-02-18 → 2026-07-21 · 3 obs

○ 2016-12-26 00:39:56
● 2026-02-18 11:39:26
● 2026-07-21 07:22:04

○NSdns1.pretech.com.br2015-06-28 → 2016-12-26 · 4 obs

● 2015-06-28 22:24:46
● 2016-12-26 00:39:56
○ 2026-02-18 11:39:26
○ 2026-07-21 07:22:04

●NSdns2.kinghost.com.br2026-02-18 → 2026-07-21 · 3 obs

○ 2016-12-26 00:39:56
● 2026-02-18 11:39:26
● 2026-07-21 07:22:04

○NSdns2.pretech.com.br2015-06-28 → 2016-12-26 · 4 obs

● 2015-06-28 22:24:46
● 2016-12-26 00:39:56
○ 2026-02-18 11:39:26
○ 2026-07-21 07:22:04

●NSdns3.kinghost.com.br2026-02-18 → 2026-07-21 · 3 obs

○ 2016-12-26 00:39:56
● 2026-02-18 11:39:26
● 2026-07-21 07:22:04

○NSdns3.pretech.com.br2015-06-28 → 2016-12-26 · 4 obs

● 2015-06-28 22:24:46
● 2016-12-26 00:39:56
○ 2026-02-18 11:39:26
○ 2026-07-21 07:22:04

●NSdns4.kinghost.com.br2026-02-18 → 2026-07-21 · 3 obs

○ 2016-12-26 00:39:56
● 2026-02-18 11:39:26
● 2026-07-21 07:22:04

○NSdns4.pretech.com.br2015-06-28 → 2016-12-26 · 4 obs

● 2015-06-28 22:24:46
● 2016-12-26 00:39:56
○ 2026-02-18 11:39:26
○ 2026-07-21 07:22:04

●NSdns5.kinghost.com.br2026-02-18 → 2026-07-21 · 3 obs

○ 2016-12-26 00:39:56
● 2026-02-18 11:39:26
● 2026-07-21 07:22:04

●NSdns6.kinghost.com.br2026-02-18 → 2026-07-21 · 3 obs

○ 2016-12-26 00:39:56
● 2026-02-18 11:39:26
● 2026-07-21 07:22:04

○NSpretech.com.br2015-06-28 → 2016-12-26 · 4 obs

● 2015-06-28 22:24:46
● 2016-12-26 00:39:56
○ 2026-02-18 11:39:26
○ 2026-07-21 07:22:04

●MXmx-vip-01.kinghost.net2026-02-18 → 2026-07-21 · 3 obs

○ 2016-12-26 00:39:56
● 2026-02-18 11:39:26
● 2026-07-21 07:22:04

●MXmx-vip-02.kinghost.net2026-02-18 → 2026-07-21 · 3 obs

○ 2016-12-26 00:39:56
● 2026-02-18 11:39:26
● 2026-07-21 07:22:04

○MXmx.pretech.com.br2015-06-28 → 2016-12-26 · 4 obs

● 2015-06-28 22:24:46
● 2016-12-26 00:39:56
○ 2026-02-18 11:39:26
○ 2026-07-21 07:22:04

○A177.101.144.1192016-04-27 → 2016-12-26 · 5 obs

○ 2016-01-28 13:19:22
● 2016-04-27 07:59:56
● 2016-12-26 00:39:56
○ 2026-02-18 11:39:26
○ 2026-07-21 07:22:04

○A186.233.144.2182015-06-28 → 2016-01-28 · 4 obs

● 2015-06-28 22:24:46
● 2016-01-28 13:19:22
○ 2016-04-27 07:59:56
○ 2026-07-21 07:22:04

●A191.6.223.1132026-02-18 → 2026-07-21 · 3 obs

○ 2016-12-26 00:39:56
● 2026-02-18 11:39:26
● 2026-07-21 07:22:04

●A2804:10:8010::223:1132026-02-18 → 2026-07-21 · 3 obs

○ 2016-12-26 00:39:56
● 2026-02-18 11:39:26
● 2026-07-21 07:22:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, e.dns.br, d.dns.br...	-
pretech.com.br	dns6.kinghost.com.br, dns5.kinghost.com.br, dns4.kinghost.com.br, dns1.kinghost.com.br...	12 records

✅ Authoritative Response

Server:162.159.25.249

NS records: dns6.kinghost.com.br, dns5.kinghost.com.br, dns4.kinghost.com.br, dns1.kinghost.com.br, dns3.kinghost.com.br, dns2.kinghost.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 963ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`191.6.223.113`
AAAA	1	`2804:10:8010::223:113`
NS	2	`dns2.kinghost.com.br, dns1.kinghost.com.br`
MX	2	`mx-vip-01.kinghost.net (pri: 5), mx-vip-02.kinghost.net (pri: 5)`
TXT	1	`v=spf1 include:_spf.kinghost.net -all`
SOA	1	`dns1.kinghost.com.br abuse.kinghost.net`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (dns6.kinghost.com.br, dns5.kinghost.com.br, dns4.kinghost.com.br...)

Analysis

IP Addresses

pretech.com.br has two IP addresses: 191.6.223.113 and 2804:10:8010::223:113

Among the host names that share IP numbers with pretech.com.br are ckf.com.br, tudoepolitica.com.br, colegioesc.com.br and two others.

Name Servers

pretech.com.br delegates authority to 6 name servers: dns1.kinghost.com.br, dns2.kinghost.com.br, dns3.kinghost.com.br plus 3 other.

There is at least partial name server overlap between pretech.com.br and other domains — odontologiaorto.com, radiosuprema.com.br, admcontconsultoria.com.br and two more among them.

These name servers are routinely co-deployed with the name servers dns4.kinghost.com.br, dns5.kinghost.com.br, dns6.kinghost.com.br and two others.

Hosts with two IP numbers each:

dns1.kinghost.com.br directs traffic to 162.159.24.170 and 2400:cb00:2049:1::a29f:18aa.

dns2.kinghost.com.br directs traffic to 162.159.25.249 and 2400:cb00:2049:1::a29f:19f9.

dns3.kinghost.com.br directs traffic to 162.159.24.144 and 2400:cb00:2049:1::a29f:1890.

dns4.kinghost.com.br directs traffic to 162.159.25.20 and 2400:cb00:2049:1::a29f:1914.

dns5.kinghost.com.br directs traffic to 162.159.24.188 and 2400:cb00:2049:1::a29f:18bc.

dns6.kinghost.com.br directs traffic to 162.159.25.93 and 2400:cb00:2049:1::a29f:195d.

Mail Servers

The MX records for pretech.com.br point to two mail servers: mx-vip-01.kinghost.net and mx-vip-02.kinghost.net.

pretech.com.br has the same mail server arrangement as a number of other domains, for example sultoner.com.br, coperplan.com.br, assistecpoa.com and two more.

pretech.com.br and a number of other domains — yzatiz.com.br, thefalls.com.br, blacklotus.com.br and it4p.com.br among them — share at least some of the same mail servers.

The two host names mx-vip-01.kinghost.net and mx-vip-02.kinghost.net each have a pair of IP addresses: mx-vip-01.kinghost.net has 191.6.216.38 and 2804:10:8016::216:38, and mx-vip-02.kinghost.net has 191.6.216.39 and 2804:10:8016::216:39.