`institutobuzios.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4204^{Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:a7cb^{Cloudflare2606:4700:3036::/48} ✓ In HTTPS hints
A	104.21.66.4^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.167.203^{Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`pablo.ns.cloudflare.com` ⭐
NS	`ulla.ns.cloudflare.com`
MX	`_dc-mx.d027ee9331c0.institutobuzios.com` ⭐
TXT	`v=spf1 a mx ip4:190.61.200.92 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.66.4, 172.67.167.203
		IPv6 hints	2606:4700:3030::6815:4204, 2606:4700:3036::ac43:a7cb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=66, name=cloudflare-ech.com
SOA	`pablo.ns.cloudflare.com`dns@cloudflare.com serial=2400992874

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1777185926

Subdomains

mail.institutobuzios.com

Same first word

institutobuzios.org.br

DNS History

11 records (7 active, 4 former)

○NSns10.hosting-ar.com2016-09-08 → 2017-06-04 · 5 obs

○ 2016-03-31 20:05:38
● 2016-09-08 09:05:36
● 2017-06-04 12:33:34
○ 2026-04-26 07:06:30
○ 2026-04-26 07:06:34

●NSpablo.ns.cloudflare.com2026-04-26 → 2026-04-26 · 3 obs

○ 2017-06-04 12:33:34
● 2026-04-26 07:06:30
● 2026-04-26 07:06:34

○NSstorage1.hosting-ar.com2015-05-25 → 2016-03-31 · 4 obs

● 2015-05-25 10:35:00
● 2016-03-31 20:05:38
○ 2016-09-08 09:05:36
○ 2026-04-26 07:06:34

●NSulla.ns.cloudflare.com2026-04-26 → 2026-04-26 · 3 obs

○ 2017-06-04 12:33:34
● 2026-04-26 07:06:30
● 2026-04-26 07:06:34

●MX_dc-mx.d027ee9331c0.institutobuzios.com2026-04-26 → 2026-04-26 · 3 obs

○ 2017-06-04 12:33:34
● 2026-04-26 07:06:30
● 2026-04-26 07:06:34

○MXmail.institutobuzios.com2015-05-25 → 2017-06-04 · 4 obs

● 2015-05-25 10:35:00
● 2017-06-04 12:33:34
○ 2026-04-26 07:06:30
○ 2026-04-26 07:06:34

●A104.21.66.42026-04-26 → 2026-04-26 · 3 obs

○ 2017-06-04 12:33:34
● 2026-04-26 07:06:30
● 2026-04-26 07:06:34

●A172.67.167.2032026-04-26 → 2026-04-26 · 3 obs

○ 2017-06-04 12:33:34
● 2026-04-26 07:06:30
● 2026-04-26 07:06:34

○A190.7.61.2012015-05-25 → 2017-06-04 · 4 obs

● 2015-05-25 10:35:00
● 2017-06-04 12:33:34
○ 2026-04-26 07:06:30
○ 2026-04-26 07:06:34

●A2606:4700:3030::6815:42042026-04-26 → 2026-04-26 · 3 obs

○ 2017-06-04 12:33:34
● 2026-04-26 07:06:30
● 2026-04-26 07:06:34

●A2606:4700:3036::ac43:a7cb2026-04-26 → 2026-04-26 · 3 obs

○ 2017-06-04 12:33:34
● 2026-04-26 07:06:30
● 2026-04-26 07:06:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net...	-
institutobuzios.com	ulla.ns.cloudflare.com, pablo.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.233

NS records: ulla.ns.cloudflare.com, pablo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for institutobuzios.com (unsigned zone)

⏱️ Timing

Total: 860ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.66.4, 172.67.167.203`
AAAA	2	`2606:4700:3030::6815:4204, 2606:4700:3036::ac43:a7cb`
NS	2	`pablo.ns.cloudflare.com, ulla.ns.cloudflare.com`
MX	1	`_dc-mx.d027ee9331c0.institutobuzios.com`
TXT	1	`v=spf1 a mx ip4:190.61.200.92 ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`pablo.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ulla.ns.cloudflare.com, ulla.ns.cloudflare.com, ulla.ns.cloudflare.com...)

Analysis

Hierarchy

mail.institutobuzios.com has institutobuzios.com as its parent.

IP Addresses

institutobuzios.com maps to four IP numbers: 2606:4700:3030::6815:4204, 2606:4700:3036::ac43:a7cb, 104.21.66.4 and 172.67.167.203.

Name Servers

Two name servers pablo.ns.cloudflare.com and ulla.ns.cloudflare.com are delegated to institutobuzios.com.

Mail Servers

institutobuzios.com is handled by a single mail server, _dc-mx.d027ee9331c0.institutobuzios.com.

institutobuzios.com - robtex.com