stackoverflow.com.br

`stackoverflow.com.br`

DNSSEC	🔒 Signed (DS record present)
NS	`a.auto.dns.br` ⭐
		A	2001:12ff:0:2::88^{🇧🇷 REGISTROBRNET2001:12ff::/32 Registro.BR Network}
			PTR	`a.auto.dns.br`
		A	200.160.2.88^{🇧🇷 REGISTROBRNET200.160.0.0/20 Registro.BR Network}
			PTR	`a.auto.dns.br`
NS	`b.auto.dns.br`
		A	2001:12ff:0:2::89^{🇧🇷 REGISTROBRNET2001:12ff::/32 Registro.BR Network}
			PTR	`b.auto.dns.br`
		A	200.160.2.89^{🇧🇷 REGISTROBRNET200.160.0.0/20 Registro.BR Network}
			PTR	`b.auto.dns.br`
TXT	`v=spf1 -all`
SOA	`a.auto.dns.br`hostmaster@registro.br serial=2026113900

`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=2026113538

rank #530132 globally
rank #3922 in the tld
WOT: SAFE (69/100)

Same first word

Similar names

overstackflow.blogspot.com

stackoverlfow.com

overflowstack.com

flowoverstack.com

wolfrevokcats.com

DNS History

11 records (2 active, 9 former)

●NSa.auto.dns.br2026-04-23 → 2026-04-23 · 2 obs

○ 2017-04-04 09:17:38
● 2026-04-23 22:32:36

○NSa.sec.dns.br2016-01-25 → 2016-06-22 · 5 obs

○ 2015-10-30 13:25:16
● 2016-01-25 12:10:38
● 2016-06-22 11:39:20
○ 2017-02-17 12:31:40
○ 2026-04-23 22:32:36

●NSb.auto.dns.br2026-04-23 → 2026-04-23 · 2 obs

○ 2017-04-04 09:17:38
● 2026-04-23 22:32:36

○NSc.sec.dns.br2016-01-25 → 2016-06-22 · 5 obs

○ 2015-10-30 13:25:16
● 2016-01-25 12:10:38
● 2016-06-22 11:39:20
○ 2017-02-17 12:31:40
○ 2026-04-23 22:32:36

○NSmns01.domaincontrol.com2017-02-17 → 2017-04-04 · 4 obs

○ 2016-06-22 11:39:20
● 2017-02-17 12:31:40
● 2017-04-04 09:17:38
○ 2026-04-23 22:32:36

○NSmns02.domaincontrol.com2017-02-17 → 2017-04-04 · 4 obs

○ 2016-06-22 11:39:20
● 2017-02-17 12:31:40
● 2017-04-04 09:17:38
○ 2026-04-23 22:32:36

○NSns1.serverfault.com2015-08-18 → 2015-10-30 · 4 obs

● 2015-08-18 07:40:00
● 2015-10-30 13:25:16
○ 2016-01-25 12:10:38
○ 2026-04-23 22:32:36

○NSns2.serverfault.com2015-08-18 → 2015-10-30 · 4 obs

● 2015-08-18 07:40:00
● 2015-10-30 13:25:16
○ 2016-01-25 12:10:38
○ 2026-04-23 22:32:36

○NSns3.serverfault.com2015-08-18 → 2015-10-30 · 4 obs

● 2015-08-18 07:40:00
● 2015-10-30 13:25:16
○ 2016-01-25 12:10:38
○ 2026-04-23 22:32:36

○MX.2026-04-23 → 2026-04-23 · 1 obs

○ 2026-04-23 22:32:36

○A198.252.206.1402015-08-18 → 2015-10-30 · 4 obs

● 2015-08-18 07:40:00
● 2015-10-30 13:25:16
○ 2016-01-25 12:10:38
○ 2026-04-23 22:32:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
stackoverflow.com.br	a.auto.dns.br, b.auto.dns.br	-

✅ Authoritative Response

Server:200.160.2.89

NS records: a.auto.dns.br, b.auto.dns.br

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1095ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`a.auto.dns.br, b.auto.dns.br`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`a.auto.dns.br hostmaster.registro.br`

Analysis

Name Servers

stackoverflow.com.br's delegation uses two name servers: a.auto.dns.br and b.auto.dns.br.

stackoverflow.com.br uses the same name server setup as other domains, such as casabr.com.br, cozinhaonline.com.br, gjk.com.br, brigaderiachic.com.br and barbaraborges.com.br.

stackoverflow.com.br at least partially shares name servers with other domains, for example pisoseformas.com.br.

Host names with two IPs:

a.auto.dns.br points to 2001:12ff:0:2::88 and 200.160.2.88

b.auto.dns.br points to 2001:12ff:0:2::89 and 200.160.2.89

stackoverflow.com.br - robtex.com