stack.com.br - dns.ninja

`stack.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:27bc^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9443^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.39.188^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.148.67^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elaine.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a98^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elaine.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c098^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elaine.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2098^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elaine.ns.cloudflare.com`
		A	108.162.192.152^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elaine.ns.cloudflare.com`
		A	172.64.32.152^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elaine.ns.cloudflare.com`
		A	173.245.58.152^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elaine.ns.cloudflare.com`
NS	`guss.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bac^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`guss.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ac^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`guss.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ac^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`guss.ns.cloudflare.com`
		A	108.162.193.172^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`guss.ns.cloudflare.com`
		A	172.64.33.172^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`guss.ns.cloudflare.com`
		A	173.245.59.172^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`guss.ns.cloudflare.com`
MX	`stack-com-br.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c94a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cp5p284cu01800.inbound.protection.outlook.com`
		A	2a01:111:f403:c94a::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cp4p284cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:c94a::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cp3p284cu00702.inbound.protection.outlook.com`
		A	2a01:111:f403:c94c::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-roap284cu02600.inbound.protection.outlook.com`
		A	52.101.198.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cp5p284cu01800.inbound.protection.outlook.com`
		A	52.101.198.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cp4p284cu00401.inbound.protection.outlook.com`
		A	52.101.198.38^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cp3p284cu00706.inbound.protection.outlook.com`
		A	52.101.200.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-roap284cu02600.inbound.protection.outlook.com`
TXT	`MS=ms30674091`
TXT	`v=spf1 include:21748317.spf51.hubspotemail.net include:spf.protection.outlook...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.39.188, 172.67.148.67
		IPv6 hints	2606:4700:3036::6815:27bc, 2606:4700:3037::ac43:9443
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=94, name=cloudflare-ech.com
SOA	`elaine.ns.cloudflare.com`dns@cloudflare.com serial=2409460258

`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=2026204352

rank #521493 globally
rank #3809 in the tld
WOT: SAFE (69/100)

Same first word

stack.biz

stack.uk.net

stack.buzz

stack.agency

stack.ru

stack.ml

stack.zone

stack.blue

stack.my

stack.farm

stack.co.uk

stack.org

stack.gallery

stack.sa

stack.it

stack.or.jp

stack.fyi

stack.nl

stack.ws

stack.money

stack.com

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stack.services

stack.world

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stack.build

stack.bet

stack.creditcard

stack.network

stack.ai

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stack.lu

stack.me.uk

stack.com.uy

stack.group

stack.(0x787878)

stack.run

stack.ly

stack.kz

stack.media

stack.tv

stack.ddnsfree.com

stack.gl

stack.gg

stack.cards

stack.tokyo

stack.info

stack.solutions

stack.works

stack.gold

stack.black

stack.shopping

stack.net.nz

stack.mx

stack.spb.su

stack.im

stack.storage

stack.foundation

stack.jp

stack.se

stack.com.au

stack.support

stack.care

stack.team

stack.ventures

stack.fi

stack.pro

stack.fitness

stack.de

stack.co

stack.cool

stack.fail

stack.la

stack.com.br

stack.plus

stack.pl

stack.ie

stack.gov.sg

stack.cz

stack.ee

stack.spb.ru

stack.be

stack.house

stack.su

stack.city

stack.how

stack.net

stack.fr

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DNS History

20 records (7 active, 13 former)

●NSelaine.ns.cloudflare.com2026-03-02 → 2026-07-23 · 3 obs

○ 2018-12-31 11:25:04
● 2026-03-02 20:57:14
● 2026-07-23 14:44:24

●NSguss.ns.cloudflare.com2026-03-02 → 2026-07-23 · 3 obs

○ 2018-12-31 11:25:04
● 2026-03-02 20:57:14
● 2026-07-23 14:44:24

○NSns.terraempresas.com.br2015-07-15 → 2018-12-31 · 4 obs

● 2015-07-15 18:53:06
● 2018-12-31 11:25:04
○ 2026-03-02 20:57:14
○ 2026-07-23 14:44:24

○NSns2.terraempresas.com.br2015-07-15 → 2018-12-31 · 4 obs

● 2015-07-15 18:53:06
● 2018-12-31 11:25:04
○ 2026-03-02 20:57:14
○ 2026-07-23 14:44:24

○NSsrv5-poa.nutecnet.com.br2015-07-15 → 2018-12-31 · 4 obs

● 2015-07-15 18:53:06
● 2018-12-31 11:25:04
○ 2026-03-02 20:57:14
○ 2026-07-23 14:44:24

○MXmx.terraempresas.com.br2015-07-15 → 2018-12-31 · 4 obs

● 2015-07-15 18:53:06
● 2018-12-31 11:25:04
○ 2026-03-02 20:57:14
○ 2026-07-23 14:44:24

●MXstack-com-br.mail.protection.outlook.com2026-03-02 → 2026-07-23 · 3 obs

○ 2018-12-31 11:25:04
● 2026-03-02 20:57:14
● 2026-07-23 14:44:24

●A104.21.39.1882026-04-23 → 2026-07-23 · 7 obs

○ 2026-03-24 04:41:50
● 2026-04-23 19:27:30
● 2026-05-13 17:01:48
○ 2026-05-13 22:08:42
● 2026-05-20 09:47:08
○ 2026-07-22 21:17:52
● 2026-07-23 14:44:24

●A172.67.148.672026-04-23 → 2026-07-23 · 7 obs

○ 2026-03-24 04:41:50
● 2026-04-23 19:27:30
● 2026-05-13 17:01:48
○ 2026-05-13 22:08:42
● 2026-05-20 09:47:08
○ 2026-07-22 21:17:52
● 2026-07-23 14:44:24

○A188.114.96.02026-05-13 → 2026-07-22 · 5 obs

○ 2026-05-13 17:01:48
● 2026-05-13 22:08:42
○ 2026-05-20 09:47:08
● 2026-07-22 21:17:52
○ 2026-07-23 14:44:24

○A188.114.97.02026-05-13 → 2026-07-22 · 5 obs

○ 2026-05-13 17:01:48
● 2026-05-13 22:08:42
○ 2026-05-20 09:47:08
● 2026-07-22 21:17:52
○ 2026-07-23 14:44:24

○A2606:4700:3031::ac43:94432026-04-23 → 2026-05-20 · 7 obs

○ 2026-03-24 04:41:50
● 2026-04-23 19:27:30
● 2026-05-13 17:01:48
○ 2026-05-13 22:08:42
● 2026-05-20 09:47:08
○ 2026-06-23 23:16:50
○ 2026-07-23 14:44:24

○A2606:4700:3034::6815:27bc2026-04-23 → 2026-05-20 · 7 obs

○ 2026-03-24 04:41:50
● 2026-04-23 19:27:30
● 2026-05-13 17:01:48
○ 2026-05-13 22:08:42
● 2026-05-20 09:47:08
○ 2026-06-23 23:16:50
○ 2026-07-23 14:44:24

●A2606:4700:3036::6815:27bc2026-06-23 → 2026-07-23 · 4 obs

○ 2026-05-20 09:47:08
● 2026-06-23 23:16:50
○ 2026-07-22 21:17:52
● 2026-07-23 14:44:24

●A2606:4700:3037::ac43:94432026-06-23 → 2026-07-23 · 4 obs

○ 2026-05-20 09:47:08
● 2026-06-23 23:16:50
○ 2026-07-22 21:17:52
● 2026-07-23 14:44:24

○A2a06:98c1:3120::2026-05-13 → 2026-07-22 · 5 obs

○ 2026-05-13 17:01:48
● 2026-05-13 22:08:42
○ 2026-05-20 09:47:08
● 2026-07-22 21:17:52
○ 2026-07-23 14:44:24

○A2a06:98c1:3121::2026-05-13 → 2026-07-22 · 5 obs

○ 2026-05-13 17:01:48
● 2026-05-13 22:08:42
○ 2026-05-20 09:47:08
● 2026-07-22 21:17:52
○ 2026-07-23 14:44:24

○A31.43.160.62026-03-02 → 2026-03-24 · 5 obs

○ 2018-12-31 11:25:04
● 2026-03-02 20:57:14
● 2026-03-24 04:41:50
○ 2026-04-23 19:27:30
○ 2026-07-23 14:44:24

○A31.43.161.62026-03-02 → 2026-03-24 · 5 obs

○ 2018-12-31 11:25:04
● 2026-03-02 20:57:14
● 2026-03-24 04:41:50
○ 2026-04-23 19:27:30
○ 2026-07-23 14:44:24

○A69.49.115.402015-07-15 → 2018-12-31 · 4 obs

● 2015-07-15 18:53:06
● 2018-12-31 11:25:04
○ 2026-03-02 20:57:14
○ 2026-07-23 14:44:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	d.dns.br, e.dns.br, f.dns.br, a.dns.br...	-
stack.com.br	elaine.ns.cloudflare.com, guss.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.172

NS records: elaine.ns.cloudflare.com, guss.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1239ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.148.67, 104.21.39.188`
AAAA	2	`2606:4700:3037::ac43:9443, 2606:4700:3036::6815:27bc`
NS	2	`elaine.ns.cloudflare.com, guss.ns.cloudflare.com`
MX	1	`stack-com-br.mail.protection.outlook.com`
TXT	2	`MS=ms30674091, v=spf1 include:21748317.spf51.hubspotema`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elaine.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

stack.com.br directs to four IP numbers, which are 104.21.39.188, 172.67.148.67, 2606:4700:3036::6815:27bc and 2606:4700:3037::ac43:9443.

Two other host names, along with vagageneral.ccoo.cat, jrbsurveyors.co.uk and fmb.dk, also share IP numbers with stack.com.br.

Name Servers

stack.com.br uses two name servers for its delegation: elaine.ns.cloudflare.com and guss.ns.cloudflare.com.

stack.com.br shares its NS records with other domains, for example planmyholidays.com, atlanticstreethouse.com, nicematrix.com and two others.

There is at least partial name server overlap between stack.com.br and other domains — impactacademies.com, 7zylh.com, chokai.biz and two more among them.

These name servers tend to appear in combination with the name servers monroe.ns.cloudflare.com, mario.ns.cloudflare.com, emerie.ns.cloudflare.com and sam.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname elaine.ns.cloudflare.com directs to 108.162.192.152, 172.64.32.152 and 173.245.58.152 along with 3 other IP addresses.

Hostname guss.ns.cloudflare.com directs to 108.162.193.172, 172.64.33.172 and 173.245.59.172 along with 3 other IP addresses.

Mail Servers

The sole mail server for stack.com.br is stack-com-br.mail.protection.outlook.com.

With 8 IP addresses total, stack-com-br.mail.protection.outlook.com resolves to 52.101.198.0, 52.101.198.1, 52.101.198.38 and 5 others.