institutorbc.com.br - dns.ninja

`institutorbc.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:9c91^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:7fd^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.7.253^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.156.145^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a65^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c065^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2065^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amy.ns.cloudflare.com`
		A	108.162.192.101^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
		A	172.64.32.101^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
		A	173.245.58.101^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
NS	`matt.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b83^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c183^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`matt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2183^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`matt.ns.cloudflare.com`
		A	108.162.193.131^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
		A	172.64.33.131^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
		A	173.245.59.131^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
MX	`mail.institutorbc.com.br` ⭐
		A	129.121.43.162^{🇺🇸 ENETWORKS128.0.0.0/2}
			PTR	`server2.evoserver.com.br`
TXT	`v=spf1 +a +mx +ip4:129.121.43.162 ip4:129.121.40.91 ip4:129.121.43.245 ip4:12...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.7.253, 172.67.156.145
		IPv6 hints	2606:4700:3030::ac43:9c91, 2606:4700:3037::6815:7fd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=133, name=cloudflare-ech.com
SOA	`amy.ns.cloudflare.com`dns@cloudflare.com serial=2405862097

`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=2026206164

rank #505210 globally
rank #3676 in the tld
WOT: SAFE (69/100)

Subdomains

mail.institutorbc.com.br

Same first word

institutorbc.com.br

Similar names

bitcointrust.co

bitcointrust.at

bitcointrust.nl

bitcointrust.org

bitcointrust.com

trustbitcoin.com

trustbitcoin.io

bitcointrust.net

bitcointrust.us

bitcointrust.de

DNS History

15 records (7 active, 8 former)

●NSamy.ns.cloudflare.com2017-03-16 → 2026-07-25 · 2 obs

● 2017-03-16 16:46:46
● 2026-07-25 07:26:36

●NSmatt.ns.cloudflare.com2017-03-16 → 2026-07-25 · 2 obs

● 2017-03-16 16:46:46
● 2026-07-25 07:26:36

●MXmail.institutorbc.com.br2017-03-16 → 2026-07-25 · 2 obs

● 2017-03-16 16:46:46
● 2026-07-25 07:26:36

●A104.21.7.2532026-02-21 → 2026-07-25 · 3 obs

○ 2019-12-30 05:48:22
● 2026-02-21 20:07:28
● 2026-07-25 07:26:36

○A104.31.66.2472017-03-16 → 2019-12-30 · 4 obs

● 2017-03-16 16:46:46
● 2019-12-30 05:48:22
○ 2026-02-21 20:07:28
○ 2026-07-25 07:26:36

○A104.31.67.2472017-03-16 → 2019-12-30 · 4 obs

● 2017-03-16 16:46:46
● 2019-12-30 05:48:22
○ 2026-02-21 20:07:28
○ 2026-07-25 07:26:36

●A172.67.156.1452026-02-21 → 2026-07-25 · 3 obs

○ 2019-12-30 05:48:22
● 2026-02-21 20:07:28
● 2026-07-25 07:26:36

○A2400:cb00:2048:1::681f:42f72017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 16:46:46
○ 2019-12-30 05:48:22
○ 2026-07-25 07:26:36

○A2400:cb00:2048:1::681f:43f72017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 16:46:46
○ 2019-12-30 05:48:22
○ 2026-07-25 07:26:36

○A2606:4700:30::681f:42f72019-12-30 → 2019-12-30 · 4 obs

○ 2017-03-16 16:46:46
● 2019-12-30 05:48:22
○ 2026-02-21 20:07:28
○ 2026-07-25 07:26:36

○A2606:4700:30::681f:43f72019-12-30 → 2019-12-30 · 4 obs

○ 2017-03-16 16:46:46
● 2019-12-30 05:48:22
○ 2026-02-21 20:07:28
○ 2026-07-25 07:26:36

●A2606:4700:3030::ac43:9c912026-07-10 → 2026-07-25 · 3 obs

○ 2026-06-14 20:28:56
● 2026-07-10 23:13:04
● 2026-07-25 07:26:36

○A2606:4700:3031::6815:7fd2026-02-21 → 2026-06-14 · 5 obs

○ 2019-12-30 05:48:22
● 2026-02-21 20:07:28
● 2026-06-14 20:28:56
○ 2026-07-10 23:13:04
○ 2026-07-25 07:26:36

○A2606:4700:3033::ac43:9c912026-02-21 → 2026-06-14 · 5 obs

○ 2019-12-30 05:48:22
● 2026-02-21 20:07:28
● 2026-06-14 20:28:56
○ 2026-07-10 23:13:04
○ 2026-07-25 07:26:36

●A2606:4700:3037::6815:7fd2026-07-10 → 2026-07-25 · 3 obs

○ 2026-06-14 20:28:56
● 2026-07-10 23:13:04
● 2026-07-25 07:26:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	b.dns.br, f.dns.br, a.dns.br, e.dns.br...	-
institutorbc.com.br	matt.ns.cloudflare.com, amy.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.131

NS records: matt.ns.cloudflare.com, amy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 638ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.156.145, 104.21.7.253`
AAAA	2	`2606:4700:3037::6815:7fd, 2606:4700:3030::ac43:9c91`
NS	2	`amy.ns.cloudflare.com, matt.ns.cloudflare.com`
MX	1	`mail.institutorbc.com.br (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip4:129.121.43.162 ip4:12`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amy.ns.cloudflare.com dns.cloudflare.com`

Analysis

Hierarchy

institutorbc.com.br is a parent domain of mail.institutorbc.com.br.

IP Addresses

institutorbc.com.br has four IP addresses: 104.21.7.253, 172.67.156.145, 2606:4700:3030::ac43:9c91 and 2606:4700:3037::6815:7fd.

Two other host names, along with hywds.com, pinup-world.mx and stopstutter.org, also share IP numbers with institutorbc.com.br.

Name Servers

institutorbc.com.br has two authoritative name servers — amy.ns.cloudflare.com and matt.ns.cloudflare.com.

institutorbc.com.br shares its NS records with other domains, for example mompreneurs.us, yiduxq.com, habitable.com.br and two others.

institutorbc.com.br shares at least some of its name servers with other domains, including gdgmientrung.com, getrunset.com, themovie.group and two others.

These name servers are frequently seen alongside the name servers byron.ns.cloudflare.com.

DNS names with 6 IP addresses:

amy.ns.cloudflare.com points to 108.162.192.101, 172.64.32.101, 173.245.58.101 and 3 other IP addresses.

matt.ns.cloudflare.com points to 108.162.193.131, 172.64.33.131, 173.245.59.131 and 3 other IP addresses.

Mail Servers

The sole mail server for institutorbc.com.br is mail.institutorbc.com.br.

mail.institutorbc.com.br points to one IP number — 129.121.43.162.