`quantumsistemas.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:b994^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1340^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.19.64^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.185.148^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`igor.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b77^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c177^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`igor.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2177^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`igor.ns.cloudflare.com`
		A	108.162.193.119^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	172.64.33.119^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	173.245.59.119^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
NS	`noor.ns.cloudflare.com`
		A	2606:4700:50::a29f:264a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noor.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c24a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`noor.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:224a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`noor.ns.cloudflare.com`
		A	108.162.194.74^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noor.ns.cloudflare.com`
		A	162.159.38.74^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noor.ns.cloudflare.com`
		A	172.64.34.74^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noor.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.19.64, 172.67.185.148
		IPv6 hints	2606:4700:3035::ac43:b994, 2606:4700:3037::6815:1340
SOA	`igor.ns.cloudflare.com`dns@cloudflare.com serial=2403773035

`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=2026135224

rank #536927 globally
rank #4089 in the tld
WOT: SAFE (69/100)

Same first word

quantumsistemas.com

quantumsistemas.com.br

DNS History

6 records (6 active, 0 former)

●NSigor.ns.cloudflare.com2026-02-15 → 2026-05-15 · 2 obs

● 2026-02-15 16:17:28
● 2026-05-15 09:31:04

●NSnoor.ns.cloudflare.com2026-02-15 → 2026-05-15 · 2 obs

● 2026-02-15 16:17:28
● 2026-05-15 09:31:04

●A104.21.19.642026-05-15 → 2026-05-15 · 1 obs

● 2026-05-15 09:31:04

●A172.67.185.1482026-05-15 → 2026-05-15 · 1 obs

● 2026-05-15 09:31:04

●A2606:4700:3035::ac43:b9942026-05-15 → 2026-05-15 · 1 obs

● 2026-05-15 09:31:04

●A2606:4700:3037::6815:13402026-05-15 → 2026-05-15 · 1 obs

● 2026-05-15 09:31:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
quantumsistemas.com.br	igor.ns.cloudflare.com, noor.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.119

NS records: igor.ns.cloudflare.com, noor.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 838ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.19.64, 172.67.185.148`
AAAA	2	`2606:4700:3037::6815:1340, 2606:4700:3035::ac43:b994`
NS	2	`igor.ns.cloudflare.com, noor.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`igor.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

quantumsistemas.com.br maps to four IP numbers: 2606:4700:3035::ac43:b994, 2606:4700:3037::6815:1340, 104.21.19.64 and 172.67.185.148.

Other host names such as rpsrevestimentos.com.br, www.bouncelondon.com, www.davidvaldezforlausd.com, htmlmate.com and deltanuzetauf.com share IPs with quantumsistemas.com.br.

Name Servers

Two name servers igor.ns.cloudflare.com and noor.ns.cloudflare.com handle the delegation for quantumsistemas.com.br.

quantumsistemas.com.br shares the same name server setup as other domains, for example carrot.monster, bilalchoudhry.com, mostbet-review.de, script777.site and payvl.shop.

quantumsistemas.com.br at least partially shares name servers with other domains, for example eixhpv.lifestyle, icrvw.com.br, norcalpulse.com, t.decisioning.lexisnexisrisk.com and sequoia.pt.

These name servers are commonly used with colin.ns.cloudflare.com and sofia.ns.cloudflare.com and eva.ns.cloudflare.com.

Host names with six IP numbers:

igor.ns.cloudflare.com points to 2606:4700:58::adf5:3b77, 2803:f800:50::6ca2:c177, 2a06:98c1:50::ac40:2177, 108.162.193.119, 172.64.33.119 and 173.245.59.119.

noor.ns.cloudflare.com points to 2606:4700:50::a29f:264a, 2803:f800:50::6ca2:c24a, 2a06:98c1:50::ac40:224a, 108.162.194.74, 162.159.38.74 and 172.64.34.74.

quantumsistemas.com.br - robtex.com