stu.com.br - robtex.com

stu.com.br

DNSSEC⚠️ Not signed
NSdell.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:50::adf5:3a5e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdell.ns.cloudflare.com
A2803:f800:50::6ca2:c05e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdell.ns.cloudflare.com
A2a06:98c1:50::ac40:205e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdell.ns.cloudflare.com
A108.162.192.94🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdell.ns.cloudflare.com
A172.64.32.94🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdell.ns.cloudflare.com
A173.245.58.94🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdell.ns.cloudflare.com
NSosmar.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:58::a29f:2c7c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRosmar.ns.cloudflare.com
A2803:f800:50::6ca2:c37c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRosmar.ns.cloudflare.com
A2a06:98c1:50::ac40:237c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRosmar.ns.cloudflare.com
A108.162.195.124🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRosmar.ns.cloudflare.com
A162.159.44.124Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRosmar.ns.cloudflare.com
A172.64.35.124🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRosmar.ns.cloudflare.com

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=2026084386
rank #563805 globally
rank #4158 in the tld
WOT: SAFE (69/100)

Same first word

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DNS History

8 records (2 active, 6 former)

20162017201820192020202120222023202420252026NSdell.ns.cloudflare.comosmar.ns.cloudflare.come.sec.dns.brf.sec.dns.brns.isic.com.brMXalt1.aspmx.l.google.comaspmx.l.google.comA200.251.96.73
●NSdell.ns.cloudflare.com2026-02-16 → 2026-03-25 · 3 obs
○ 2017-06-03 13:35:38
● 2026-02-16 23:58:00
● 2026-03-25 16:19:08
○NSe.sec.dns.br2017-06-03 → 2017-06-03 · 4 obs
○ 2016-11-16 11:38:38
● 2017-06-03 13:35:38
○ 2026-02-16 23:58:00
○ 2026-03-25 16:19:08
○NSf.sec.dns.br2017-06-03 → 2017-06-03 · 4 obs
○ 2016-11-16 11:38:38
● 2017-06-03 13:35:38
○ 2026-02-16 23:58:00
○ 2026-03-25 16:19:08
○NSns.isic.com.br2015-08-10 → 2016-11-16 · 4 obs
● 2015-08-10 05:51:08
● 2016-11-16 11:38:38
○ 2017-06-03 13:35:38
○ 2026-03-25 16:19:08
●NSosmar.ns.cloudflare.com2026-02-16 → 2026-03-25 · 3 obs
○ 2017-06-03 13:35:38
● 2026-02-16 23:58:00
● 2026-03-25 16:19:08
○MXalt1.aspmx.l.google.com2015-08-10 → 2026-02-16 · 4 obs
● 2015-08-10 05:51:08
● 2026-02-16 23:58:00
○ 2026-02-24 10:05:42
○ 2026-03-25 16:19:08
○MXaspmx.l.google.com2015-08-10 → 2026-02-16 · 4 obs
● 2015-08-10 05:51:08
● 2026-02-16 23:58:00
○ 2026-02-24 10:05:42
○ 2026-03-25 16:19:08
○A200.251.96.732015-08-10 → 2016-11-16 · 4 obs
● 2015-08-10 05:51:08
● 2016-11-16 11:38:38
○ 2017-06-03 13:35:38
○ 2026-03-25 16:19:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bra.dns.br, b.dns.br, c.dns.br, d.dns.br...-
stu.com.brdell.ns.cloudflare.com, osmar.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.94

NS records: dell.ns.cloudflare.com, osmar.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 745ms | Queries: -

📄 Records

TypeCountSample Data

Analysis

Name Servers

stu.com.br is delegated to two name servers: dell.ns.cloudflare.com and osmar.ns.cloudflare.com.

stu.com.br uses the same name server setup as other domains, including bersama-juragan88.site, disparo.com.br, biovida.com.br, di-puncak303-pas.live and bov.com.br.

At least part of the name servers for stu.com.br are shared with other domains, for instance boattheglobe.hu, joinmea.com, 1wbcmh.life, getmailcounter.com and playernet.no.

These name servers are commonly used alongside leia.ns.cloudflare.com and peyton.ns.cloudflare.com.

Host names with six IP numbers:

dell.ns.cloudflare.com points to: 2606:4700:50::adf5:3a5e, 2803:f800:50::6ca2:c05e, 2a06:98c1:50::ac40:205e, 108.162.192.94, 172.64.32.94 and 173.245.58.94.

osmar.ns.cloudflare.com points to: 2606:4700:58::a29f:2c7c, 2803:f800:50::6ca2:c37c, 2a06:98c1:50::ac40:237c, 108.162.195.124, 162.159.44.124 and 172.64.35.124.