professorgustavoadolfo.com.br - robtex.com

professorgustavoadolfo.com.br

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:5786🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:8f62🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.87.134Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.143.98🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShadlee.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2643🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhadlee.ns.cloudflare.com
A2803:f800:50::6ca2:c243🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhadlee.ns.cloudflare.com
A2a06:98c1:50::ac40:2243🇺🇸 Cloudflare2a06:98c1:50::/45
PTRhadlee.ns.cloudflare.com
A108.162.194.67🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhadlee.ns.cloudflare.com
A162.159.38.67Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhadlee.ns.cloudflare.com
A172.64.34.67🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhadlee.ns.cloudflare.com
NSshane.ns.cloudflare.com
A2606:4700:58::a29f:2c39🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRshane.ns.cloudflare.com
A2803:f800:50::6ca2:c339🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRshane.ns.cloudflare.com
A2a06:98c1:50::ac40:2339🇺🇸 Cloudflare2a06:98c1:50::/45
PTRshane.ns.cloudflare.com
A108.162.195.57🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRshane.ns.cloudflare.com
A162.159.44.57Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRshane.ns.cloudflare.com
A172.64.35.57🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRshane.ns.cloudflare.com
MXalt1.aspmx.l.google.com ⭐
A2800:3f0:4003:c14::1b🇨🇱 Google2800:3f0:4003::/48
A192.178.234.26🇺🇸 Google192.178.0.0/15
PTRncsclj-in-f26.1e100.net
MXalt2.aspmx.l.google.com ⭐
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com ⭐
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com ⭐
A2a00:1450:400c:c23::1a🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f26.1e100.net
A172.253.157.27🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f26.1e100.net
A142.251.163.26🇺🇸 Google142.251.163.0/24
PTRwv-in-f26.1e100.net
TXTfacebook-domain-verification=etccd9d5m15cb9tuzq3eier45x6mnn
TXTv=spf1 +ip4:162.241.2.148 +include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.87.134, 172.67.143.98
IPv6 hints2606:4700:3035::6815:5786, 2606:4700:3035::ac43:8f62
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=119, name=cloudflare-ech.com
SOAhadlee.ns.cloudflare.comdns@cloudflare.com serial=2411994231

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=2026224542
rank #535162 globally
rank #3733 in the tld
WOT: SAFE (69/100)

Subdomains

saude.professorgustavoadolfo.com.br
revisauerj.professorgustavoadolfo.com.br

Same first word

professorgustavoadolfo.com.br

DNS History

17 records (11 active, 6 former)

NShadlee.ns.cloudflare.comshane.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.21.87.134172.67.143.982606:4700:3035::6815:57862606:4700:3035::ac43:8f62188.114.96.0188.114.97.02606:4700:3037::6815:57862606:4700:3037::ac43:8f622a06:98c1:3120::2a06:98c1:3121::
●NShadlee.ns.cloudflare.com2026-05-30 → 2026-08-12 · 2 obs
● 2026-05-30 15:14:54
● 2026-08-12 23:27:54
●NSshane.ns.cloudflare.com2026-05-30 → 2026-08-12 · 2 obs
● 2026-05-30 15:14:54
● 2026-08-12 23:27:54
●MXalt1.aspmx.l.google.com2026-05-30 → 2026-08-12 · 2 obs
● 2026-05-30 15:14:54
● 2026-08-12 23:27:54
●MXalt2.aspmx.l.google.com2026-05-30 → 2026-08-12 · 2 obs
● 2026-05-30 15:14:54
● 2026-08-12 23:27:54
●MXalt3.aspmx.l.google.com2026-05-30 → 2026-08-12 · 2 obs
● 2026-05-30 15:14:54
● 2026-08-12 23:27:54
●MXalt4.aspmx.l.google.com2026-05-30 → 2026-08-12 · 2 obs
● 2026-05-30 15:14:54
● 2026-08-12 23:27:54
●MXaspmx.l.google.com2026-05-30 → 2026-08-12 · 2 obs
● 2026-05-30 15:14:54
● 2026-08-12 23:27:54
●A104.21.87.1342026-05-30 → 2026-08-12 · 5 obs
● 2026-05-30 15:14:54
● 2026-05-30 22:22:08
○ 2026-06-19 13:04:24
● 2026-07-09 03:44:44
● 2026-08-12 23:27:54
●A172.67.143.982026-05-30 → 2026-08-12 · 5 obs
● 2026-05-30 15:14:54
● 2026-05-30 22:22:08
○ 2026-06-19 13:04:24
● 2026-07-09 03:44:44
● 2026-08-12 23:27:54
○A188.114.96.02026-06-19 → 2026-06-19 · 4 obs
○ 2026-05-30 22:22:08
● 2026-06-19 13:04:24
○ 2026-07-09 03:44:44
○ 2026-08-12 23:27:54
○A188.114.97.02026-06-19 → 2026-06-19 · 4 obs
○ 2026-05-30 22:22:08
● 2026-06-19 13:04:24
○ 2026-07-09 03:44:44
○ 2026-08-12 23:27:54
●A2606:4700:3035::6815:57862026-07-09 → 2026-08-12 · 3 obs
○ 2026-06-19 13:04:24
● 2026-07-09 03:44:44
● 2026-08-12 23:27:54
●A2606:4700:3035::ac43:8f622026-07-09 → 2026-08-12 · 3 obs
○ 2026-06-19 13:04:24
● 2026-07-09 03:44:44
● 2026-08-12 23:27:54
○A2606:4700:3037::6815:57862026-05-30 → 2026-05-30 · 4 obs
● 2026-05-30 15:14:54
● 2026-05-30 22:22:08
○ 2026-06-19 13:04:24
○ 2026-08-12 23:27:54
○A2606:4700:3037::ac43:8f622026-05-30 → 2026-05-30 · 4 obs
● 2026-05-30 15:14:54
● 2026-05-30 22:22:08
○ 2026-06-19 13:04:24
○ 2026-08-12 23:27:54
○A2a06:98c1:3120::2026-06-19 → 2026-06-19 · 4 obs
○ 2026-05-30 22:22:08
● 2026-06-19 13:04:24
○ 2026-07-09 03:44:44
○ 2026-08-12 23:27:54
○A2a06:98c1:3121::2026-06-19 → 2026-06-19 · 4 obs
○ 2026-05-30 22:22:08
● 2026-06-19 13:04:24
○ 2026-07-09 03:44:44
○ 2026-08-12 23:27:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brf.dns.br, d.dns.br, b.dns.br, e.dns.br...-
professorgustavoadolfo.com.brhadlee.ns.cloudflare.com, shane.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.57

NS records: hadlee.ns.cloudflare.com, shane.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 563ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.143.98, 104.21.87.134
AAAA22606:4700:3035::ac43:8f62, 2606:4700:3035::6815:5786
NS2hadlee.ns.cloudflare.com, shane.ns.cloudflare.com
MX5alt1.aspmx.l.google.com (pri: 1), alt2.aspmx.l.google.com (pri: 1)...
TXT2facebook-domain-verification=etccd9d5m15, v=spf1 +ip4:162.241.2.148 +include:_spf.
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1hadlee.ns.cloudflare.com dns.cloudflare.

Analysis

Hierarchy

professorgustavoadolfo.com.br serves as the parent of saude.professorgustavoadolfo.com.br and revisauerj.professorgustavoadolfo.com.br.

IP Addresses

professorgustavoadolfo.com.br resolves to four IP addresses: 104.21.87.134, 172.67.143.98, 2606:4700:3035::6815:5786 and 2606:4700:3035::ac43:8f62.

www.live-like-a-german.com.cdn.cloudflare.net, doxdhwj.digital, temgo.us plus two other host names have IP numbers in common with professorgustavoadolfo.com.br.

Name Servers

Two name servers handle the delegation for professorgustavoadolfo.com.br: hadlee.ns.cloudflare.com and shane.ns.cloudflare.com.

The name server configuration of professorgustavoadolfo.com.br is shared with other domains, for instance sfxengenharia.com, wydra.com.br, topchoicepoint.com and two others.

professorgustavoadolfo.com.br has at least partial name server overlap with other domains, such as rentalmode.com, morase.com, mdistars.com and two others.

It is common to find these name servers paired with the name servers quincy.ns.cloudflare.com.

Hosts with 6 IP addresses each:

hadlee.ns.cloudflare.com resolves to 108.162.194.67, 162.159.38.67 and 172.64.34.67 among others, with 3 other IP addresses in total.

shane.ns.cloudflare.com resolves to 108.162.195.57, 162.159.44.57 and 172.64.35.57 among others, with 3 other IP addresses in total.

Mail Servers

professorgustavoadolfo.com.br is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by professorgustavoadolfo.com.br are shared with other domains: ns500731.ns500671.ns500742.ns500754.ns500731.ns500742.ns500754.ns500704.ns500704.ns500704.ns500704.ns500705.ns500705.ns500649.lustychickser.com, ns500671.ns500754.ns500754.ns500742.ns500731.ns500705.ns500704.ns500705.ns500688.ns500688.ns500688.ns500678.ns500666.ns500653.ns500153.tenderladiesbz.com, ns500742.ns500671.ns500731.ns500742.ns500754.ns500671.ns500742.ns500688.ns500704.ns500649.ns500671.ns500666.ns500153.tenderladiesbz.com and two others among them.

These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx.l.google.com resolves to two addresses: 142.251.163.26 and 2607:f8b0:4004:c19::1a.

alt1.aspmx.l.google.com resolves to two addresses: 192.178.234.26 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.