stack.com.br - dns.ninja

stack.com.br

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:9443🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:27bc🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.39.188Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.148.67🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSelaine.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a98🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelaine.ns.cloudflare.com
A2803:f800:50::6ca2:c098🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelaine.ns.cloudflare.com
A2a06:98c1:50::ac40:2098🇺🇸 Cloudflare2a06:98c1:50::/45
PTRelaine.ns.cloudflare.com
A108.162.192.152🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelaine.ns.cloudflare.com
A172.64.32.152🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelaine.ns.cloudflare.com
A173.245.58.152🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelaine.ns.cloudflare.com
NSguss.ns.cloudflare.com
A2606:4700:58::adf5:3bac🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguss.ns.cloudflare.com
A2803:f800:50::6ca2:c1ac🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRguss.ns.cloudflare.com
A2a06:98c1:50::ac40:21ac🇺🇸 Cloudflare2a06:98c1:50::/45
PTRguss.ns.cloudflare.com
A108.162.193.172🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguss.ns.cloudflare.com
A172.64.33.172🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguss.ns.cloudflare.com
A173.245.59.172🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguss.ns.cloudflare.com
MXstack-com-br.mail.protection.outlook.com ⭐
A2a01:111:f403:c94a::🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-cp5p284cu01800.inbound.protection.outlook.com
A2a01:111:f403:c94a::1🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-cp4p284cu00401.inbound.protection.outlook.com
A2a01:111:f403:c94a::2🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-cp3p284cu00702.inbound.protection.outlook.com
A2a01:111:f403:c94c::🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-roap284cu02600.inbound.protection.outlook.com
A52.101.198.0🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cp5p284cu01800.inbound.protection.outlook.com
A52.101.198.1🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cp4p284cu00401.inbound.protection.outlook.com
A52.101.198.38🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cp3p284cu00706.inbound.protection.outlook.com
A52.101.200.0🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-roap284cu02600.inbound.protection.outlook.com
TXTMS=ms30674091
TXTv=spf1 include:21748317.spf51.hubspotemail.net include:spf.protection.outlook...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.39.188, 172.67.148.67
IPv6 hints2606:4700:3031::ac43:9443, 2606:4700:3034::6815:27bc
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=18, name=cloudflare-ech.com
SOAelaine.ns.cloudflare.comdns@cloudflare.com serial=2406028250

com.br

DNSSEC⚠️ Not signed
NSa.dns.br ⭐ ⚠️ Not in parent delegation
NSb.dns.br ⚠️ Not in parent delegation
NSc.dns.br ⚠️ Not in parent delegation
NSd.dns.br ⚠️ Not in parent delegation
NSe.dns.br ⚠️ Not in parent delegation
NSf.dns.br ⚠️ Not in parent delegation
SOAa.dns.brhostmaster@registro.br serial=2026158172
rank #527781 globally
rank #3951 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
stack.net.ng
stack.hu
stack.services
stack.world
stack.ca
stack.nyc
stack.nu
stack.pt
stack.ro
stack.cc
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stack.host
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stack.fo
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stack.co.nz
stack.io
stack.aero
stack.codes
stack.build
stack.bet
stack.creditcard
stack.ai
stack.com.uy
stack.group
stack.(0x787878)
stack.run
stack.ly
stack.kz
stack.media
stack.tv
stack.gl
stack.gg
stack.cards
stack.tokyo
stack.info
stack.solutions
stack.works
stack.gold
stack.black
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.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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catks.com

DNS History

18 records (7 active, 11 former)

20162017201820192020202120222023202420252026NSelaine.ns.cloudflare.comguss.ns.cloudflare.comns.terraempresas.com.brns2.terraempresas.com.brsrv5-poa.nutecnet.com.brMXstack-com-br.mail.protection.outlook.commx.terraempresas.com.brA104.21.39.188172.67.148.672606:4700:3031::ac43:94432606:4700:3034::6815:27bc188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::31.43.160.631.43.161.669.49.115.40
●NSelaine.ns.cloudflare.com2026-03-02 → 2026-06-07 · 3 obs
○ 2018-12-31 11:25:04
● 2026-03-02 20:57:14
● 2026-06-07 07:10:24
●NSguss.ns.cloudflare.com2026-03-02 → 2026-06-07 · 3 obs
○ 2018-12-31 11:25:04
● 2026-03-02 20:57:14
● 2026-06-07 07:10:24
○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
○ 2026-06-07 07:10:24
○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
○ 2026-06-07 07:10:24
○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
○ 2026-06-07 07:10:24
○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
○ 2026-06-07 07:10:24
●MXstack-com-br.mail.protection.outlook.com2026-03-02 → 2026-06-07 · 3 obs
○ 2018-12-31 11:25:04
● 2026-03-02 20:57:14
● 2026-06-07 07:10:24
●A104.21.39.1882026-04-23 → 2026-06-07 · 6 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
● 2026-06-07 07:10:24
●A172.67.148.672026-04-23 → 2026-06-07 · 6 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
● 2026-06-07 07:10:24
○A188.114.96.02026-05-13 → 2026-05-13 · 4 obs
○ 2026-05-13 17:01:48
● 2026-05-13 22:08:42
○ 2026-05-20 09:47:08
○ 2026-06-07 07:10:24
○A188.114.97.02026-05-13 → 2026-05-13 · 4 obs
○ 2026-05-13 17:01:48
● 2026-05-13 22:08:42
○ 2026-05-20 09:47:08
○ 2026-06-07 07:10:24
●A2606:4700:3031::ac43:94432026-04-23 → 2026-06-07 · 6 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
● 2026-06-07 07:10:24
●A2606:4700:3034::6815:27bc2026-04-23 → 2026-06-07 · 6 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
● 2026-06-07 07:10:24
○A2a06:98c1:3120::2026-05-13 → 2026-05-13 · 4 obs
○ 2026-05-13 17:01:48
● 2026-05-13 22:08:42
○ 2026-05-20 09:47:08
○ 2026-06-07 07:10:24
○A2a06:98c1:3121::2026-05-13 → 2026-05-13 · 4 obs
○ 2026-05-13 17:01:48
● 2026-05-13 22:08:42
○ 2026-05-20 09:47:08
○ 2026-06-07 07:10:24
○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
○ 2026-06-07 07:10:24
○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
○ 2026-06-07 07:10:24
○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
○ 2026-06-07 07:10:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bra.dns.br, b.dns.br, c.dns.br, d.dns.br...-
stack.com.brelaine.ns.cloudflare.com, guss.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.152

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: 1927ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.148.67, 104.21.39.188
AAAA22606:4700:3031::ac43:9443, 2606:4700:3034::6815:27bc
NS2elaine.ns.cloudflare.com, guss.ns.cloudflare.com
MX1stack-com-br.mail.protection.outlook.com
TXT2MS=ms30674091, v=spf1 include:21748317.spf51.hubspotema
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1elaine.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

stack.com.br maps to 4 IP numbers, specifically 104.21.39.188, 172.67.148.67, 2606:4700:3031::ac43:9443 and 2606:4700:3034::6815:27bc.

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.

The name servers monroe.ns.cloudflare.com, mario.ns.cloudflare.com and emerie.ns.cloudflare.com are often found in combination with these name servers.

DNS names with 6 IP addresses:

elaine.ns.cloudflare.com maps to six IP addresses: 108.162.192.152, 172.64.32.152, 173.245.58.152 and three others.

guss.ns.cloudflare.com maps to six IP addresses: 108.162.193.172, 172.64.33.172, 173.245.59.172 and three others.

Mail Servers

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

stack-com-br.mail.protection.outlook.com resolves to 8 IP numbers in total: 52.101.198.0, 52.101.198.1, 52.101.198.38 and five additional addresses.