`stubnetwork.com.br`

DNSSEC	⚠️ Not signed
A	2804:3558:5:0:186:209:240:248^{🇧🇷 AS531552804:3558::/33}
A	186.209.240.248^{🇧🇷 AS53155186.209.240.0/22}
NS	`dns.stubnetwork.com.br` ⭐
		A	186.209.240.248^{🇧🇷 AS53155186.209.240.0/22}
NS	`ns1.stubnetwork.com.br`
		A	186.209.240.248^{🇧🇷 AS53155186.209.240.0/22}
NS	`ns2.stubnetwork.com.br`
		A	186.209.240.249^{🇧🇷 AS53155186.209.240.0/22}
MX	`mail.stubnetwork.com.br` ⭐
		A	186.209.240.248^{🇧🇷 AS53155186.209.240.0/22}
MX	`root.stubnetwork.com.br`⁽²⁰⁾
		A	186.209.240.249^{🇧🇷 AS53155186.209.240.0/22}
TXT	`v=spf1 ip4:186.209.240.248 ip4:186.209.240.249 -all`
SOA	`dns.stubnetwork.com.br`root@stubnetwork.com.br serial=2105101445

`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=2026088184

rank #550367 globally
rank #4097 in the tld
WOT: SAFE (69/100)

Subdomains

mail.stubnetwork.com.br

host.stubnetwork.com.br

DNS History

7 records (7 active, 0 former)

●NSdns.stubnetwork.com.br2026-03-29 → 2026-03-29 · 2 obs

● 2026-03-29 07:51:28
● 2026-03-29 07:51:30

●NSns1.stubnetwork.com.br2026-03-29 → 2026-03-29 · 2 obs

● 2026-03-29 07:51:28
● 2026-03-29 07:51:30

●NSns2.stubnetwork.com.br2026-03-29 → 2026-03-29 · 2 obs

● 2026-03-29 07:51:28
● 2026-03-29 07:51:30

●MXmail.stubnetwork.com.br2026-03-29 → 2026-03-29 · 2 obs

● 2026-03-29 07:51:28
● 2026-03-29 07:51:30

●MXroot.stubnetwork.com.br2026-03-29 → 2026-03-29 · 2 obs

● 2026-03-29 07:51:28
● 2026-03-29 07:51:30

●A186.209.240.2482026-03-29 → 2026-03-29 · 2 obs

● 2026-03-29 07:51:28
● 2026-03-29 07:51:30

●A2804:3558:5:0:186:209:240:2482026-03-29 → 2026-03-29 · 2 obs

● 2026-03-29 07:51:28
● 2026-03-29 07:51:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	f.dns.br, d.dns.br, a.dns.br, c.dns.br...	-
stubnetwork.com.br	ns1.stubnetwork.com.br, ns2.stubnetwork.com.br	2 records

✅ Authoritative Response

Server:186.209.240.249

NS records: ns1.stubnetwork.com.br, ns2.stubnetwork.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 740ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`186.209.240.248`
AAAA	1	`2804:3558:5:0:186:209:240:248`
NS	2	`ns2.stubnetwork.com.br, ns1.stubnetwork.com.br`
MX	2	`root.stubnetwork.com.br (pri: 20), mail.stubnetwork.com.br (pri: 10)`
TXT	1	`v=spf1 ip4:186.209.240.248 ip4:186.209.2`
SOA	1	`dns.stubnetwork.com.br root.stubnetwork.`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.stubnetwork.com.br, ns2.stubnetwork.com.br)

Analysis

Hierarchy

stubnetwork.com.br is a parent of mail.stubnetwork.com.br and host.stubnetwork.com.br.

IP Addresses

The entity stubnetwork.com.br points to two IP numbers: 2804:3558:5:0:186:209:240:248 and 186.209.240.248.

Other host names include dns.accel-ppp.com, mail.stubnetwork.com.br, ns1.accel-ppp.com and accel-ppp.com that share IP numbers with stubnetwork.com.br.

Name Servers

The delegation for stubnetwork.com.br is handled by three name servers: dns.stubnetwork.com.br, ns1.stubnetwork.com.br and ns2.stubnetwork.com.br.

Host names sharing a single IP:

dns.stubnetwork.com.br points to 186.209.240.248

ns1.stubnetwork.com.br points to 186.209.240.248

ns2.stubnetwork.com.br points to 186.209.240.249

Host names pointing to 186.209.240.248: dns.stubnetwork.com.br and ns1.stubnetwork.com.br

Mail Servers

Two mail servers mail.stubnetwork.com.br and root.stubnetwork.com.br handle stubnetwork.com.br.

stubnetwork.com.br shares at least partially some mail servers with other domains, for instance accel-ppp.com.

Host names with one IP number:

mail.stubnetwork.com.br points to: 186.209.240.248.

root.stubnetwork.com.br points to: 186.209.240.249.

stubnetwork.com.br - robtex.com