`institutoreaction.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:48d8^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:9b9e^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.72.216^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.158^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`curt.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`curt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`curt.ns.cloudflare.com`
		A	108.162.193.94^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	172.64.33.94^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	173.245.59.94^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
NS	`reza.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reza.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`reza.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`reza.ns.cloudflare.com`
		A	108.162.192.217^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reza.ns.cloudflare.com`
		A	172.64.32.217^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reza.ns.cloudflare.com`
		A	173.245.58.217^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reza.ns.cloudflare.com`
MX	`mail.institutoreaction.com.br` ⭐
		A	170.249.205.74^{🇺🇸 PRIVATESYSTEMS170.249.192.0/20 PrivateSystems Networks GA}
			PTR	`host.lizcoggan.com`
TXT	`v=spf1 ip4:173.231.44.170 include:relay.mailbaby.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.72.216, 172.67.155.158
		IPv6 hints	2606:4700:3034::6815:48d8, 2606:4700:3034::ac43:9b9e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=13, name=cloudflare-ech.com
SOA	`curt.ns.cloudflare.com`dns@cloudflare.com serial=2401030974

`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=2026119460

rank #527790 globally
rank #3953 in the tld
WOT: SAFE (69/100)

Subdomains

mail.institutoreaction.com.br

Same first word

institutoreaction.com.br

DNS History

14 records (7 active, 7 former)

●NScurt.ns.cloudflare.com2026-04-04 → 2026-04-29 · 3 obs

○ 2019-02-16 08:57:52
● 2026-04-04 00:04:02
● 2026-04-29 19:15:18

○NSns1.configr.com2019-02-16 → 2019-02-16 · 3 obs

● 2019-02-16 08:57:52
○ 2026-04-04 00:04:02
○ 2026-04-29 19:15:18

○NSns2.configr.com2019-02-16 → 2019-02-16 · 3 obs

● 2019-02-16 08:57:52
○ 2026-04-04 00:04:02
○ 2026-04-29 19:15:18

○NSns3.configr.com2019-02-16 → 2019-02-16 · 3 obs

● 2019-02-16 08:57:52
○ 2026-04-04 00:04:02
○ 2026-04-29 19:15:18

○NSns4.configr.com2019-02-16 → 2019-02-16 · 3 obs

● 2019-02-16 08:57:52
○ 2026-04-04 00:04:02
○ 2026-04-29 19:15:18

○NSns5.configr.com2019-02-16 → 2019-02-16 · 3 obs

● 2019-02-16 08:57:52
○ 2026-04-04 00:04:02
○ 2026-04-29 19:15:18

●NSreza.ns.cloudflare.com2026-04-04 → 2026-04-29 · 3 obs

○ 2019-02-16 08:57:52
● 2026-04-04 00:04:02
● 2026-04-29 19:15:18

●MXmail.institutoreaction.com.br2019-02-16 → 2026-04-29 · 2 obs

● 2019-02-16 08:57:52
● 2026-04-29 19:15:18

●A104.21.72.2162026-04-04 → 2026-04-29 · 3 obs

○ 2019-02-16 08:57:52
● 2026-04-04 00:04:02
● 2026-04-29 19:15:18

●A172.67.155.1582026-04-04 → 2026-04-29 · 3 obs

○ 2019-02-16 08:57:52
● 2026-04-04 00:04:02
● 2026-04-29 19:15:18

○A2600:3c00::f03c:91ff:fe91:42e82019-02-16 → 2019-02-16 · 3 obs

● 2019-02-16 08:57:52
○ 2026-04-04 00:04:02
○ 2026-04-29 19:15:18

●A2606:4700:3034::6815:48d82026-04-04 → 2026-04-29 · 3 obs

○ 2019-02-16 08:57:52
● 2026-04-04 00:04:02
● 2026-04-29 19:15:18

●A2606:4700:3034::ac43:9b9e2026-04-04 → 2026-04-29 · 3 obs

○ 2019-02-16 08:57:52
● 2026-04-04 00:04:02
● 2026-04-29 19:15:18

○A45.56.79.682019-02-16 → 2019-02-16 · 3 obs

● 2019-02-16 08:57:52
○ 2026-04-04 00:04:02
○ 2026-04-29 19:15:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
institutoreaction.com.br	curt.ns.cloudflare.com, reza.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.94

NS records: curt.ns.cloudflare.com, reza.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 948ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.155.158, 104.21.72.216`
AAAA	2	`2606:4700:3034::6815:48d8, 2606:4700:3034::ac43:9b9e`
NS	2	`curt.ns.cloudflare.com, reza.ns.cloudflare.com`
MX	1	`mail.institutoreaction.com.br (pri: 5)`
TXT	1	`v=spf1 ip4:173.231.44.170 include:relay.`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`curt.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

The parent of mail.institutoreaction.com.br is institutoreaction.com.br.

IP Addresses

institutoreaction.com.br maps to four IP numbers: 2606:4700:3034::6815:48d8, 2606:4700:3034::ac43:9b9e, 104.21.72.216 and 172.67.155.158.

other host names include cyhlmy.com, webwizard.uk.com, diudie.com, mailius.lt and onlinemarketingcoach.com; they share IP numbers with institutoreaction.com.br.

Name Servers

Two name servers curt.ns.cloudflare.com and reza.ns.cloudflare.com handle the delegation for institutoreaction.com.br.

institutoreaction.com.br shares the same name server setup as other domains, for instance cashfree.com.br, lansinoh.co.il, aplink.app, dmaly.at and bnrtrk.com.

institutoreaction.com.br at least partially shares name servers with other domains, for instance finance-claim.pro, tnhyanglao.com, fontgen.cool, shophuygom.com and s(0x6e616b6564).info.

These name servers are commonly used alongside ruben.ns.cloudflare.com.

Six IP addresses per host:

curt.ns.cloudflare.com points to 2606:4700:58::adf5:3b5e, 2803:f800:50::6ca2:c15e, 2a06:98c1:50::ac40:215e, 108.162.193.94, 172.64.33.94 and 173.245.59.94; reza.ns.cloudflare.com points to 2606:4700:50::adf5:3ad9, 2803:f800:50::6ca2:c0d9, 2a06:98c1:50::ac40:20d9, 108.162.192.217, 172.64.32.217 and 173.245.58.217

Mail Servers

institutoreaction.com.br is handled by a single mail server, mail.institutoreaction.com.br.

The host name mail.institutoreaction.com.br points to IP 170.249.205.74.

institutoreaction.com.br - robtex.com