professormario.com.br - robtex.com

professormario.com.br

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:4bd1🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:b5fe🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.75.209Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.181.254🇺🇸 Cloudflare172.67.176.0/20 , 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
MXmail.professormario.com.br ⭐
A192.185.213.25🇺🇸 Jacksonville192.185.208.0/21
PTRbr68-ip11.hostgator.com.br
TXTv=spf1 a mx include:websitewelcome.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.75.209, 172.67.181.254
IPv6 hints2606:4700:3031::6815:4bd1, 2606:4700:3036::ac43:b5fe
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=126, name=cloudflare-ech.com
SOAhadlee.ns.cloudflare.comdns@cloudflare.com serial=2402867127

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=2026130550
rank #565561 globally
rank #4304 in the tld
WOT: SAFE (69/100)

Previously MX for

professormario.com.br

Subdomains

mail.professormario.com.br

Same first word

professormario.com.br

DNS History

13 records (7 active, 6 former)

20162017201820192020202120222023202420252026NShadlee.ns.cloudflare.comshane.ns.cloudflare.comns68.hostgator.com.brns69.hostgator.com.brMXmail.professormario.com.brprofessormario.com.brA104.21.75.209172.67.181.2542606:4700:3031::6815:4bd12606:4700:3036::ac43:b5fe192.185.213.2422a06:98c1:3120::2a06:98c1:3121::
●NShadlee.ns.cloudflare.com2026-04-10 → 2026-05-10 · 3 obs
○ 2020-03-03 23:13:10
● 2026-04-10 10:13:48
● 2026-05-10 23:18:50
○NSns68.hostgator.com.br2015-08-07 → 2020-03-03 · 4 obs
● 2015-08-07 19:58:34
● 2020-03-03 23:13:10
○ 2026-04-10 10:13:48
○ 2026-05-10 23:18:50
○NSns69.hostgator.com.br2015-08-07 → 2020-03-03 · 4 obs
● 2015-08-07 19:58:34
● 2020-03-03 23:13:10
○ 2026-04-10 10:13:48
○ 2026-05-10 23:18:50
●NSshane.ns.cloudflare.com2026-04-10 → 2026-05-10 · 3 obs
○ 2020-03-03 23:13:10
● 2026-04-10 10:13:48
● 2026-05-10 23:18:50
●MXmail.professormario.com.br2026-04-10 → 2026-05-10 · 3 obs
○ 2020-03-03 23:13:10
● 2026-04-10 10:13:48
● 2026-05-10 23:18:50
○MXprofessormario.com.br2015-08-07 → 2020-03-03 · 4 obs
● 2015-08-07 19:58:34
● 2020-03-03 23:13:10
○ 2026-04-10 10:13:48
○ 2026-05-10 23:18:50
●A104.21.75.2092026-04-10 → 2026-05-10 · 3 obs
○ 2020-03-03 23:13:10
● 2026-04-10 10:13:48
● 2026-05-10 23:18:50
●A172.67.181.2542026-04-10 → 2026-05-10 · 3 obs
○ 2020-03-03 23:13:10
● 2026-04-10 10:13:48
● 2026-05-10 23:18:50
○A192.185.213.2422015-08-07 → 2020-03-03 · 4 obs
● 2015-08-07 19:58:34
● 2020-03-03 23:13:10
○ 2026-04-10 10:13:48
○ 2026-05-10 23:18:50
●A2606:4700:3031::6815:4bd12026-04-10 → 2026-05-10 · 6 obs
○ 2020-03-03 23:13:10
● 2026-04-10 10:13:48
● 2026-04-29 10:36:52
○ 2026-05-01 14:34:48
● 2026-05-03 20:02:30
● 2026-05-10 23:18:50
●A2606:4700:3036::ac43:b5fe2026-04-10 → 2026-05-10 · 6 obs
○ 2020-03-03 23:13:10
● 2026-04-10 10:13:48
● 2026-04-29 10:36:52
○ 2026-05-01 14:34:48
● 2026-05-03 20:02:30
● 2026-05-10 23:18:50
○A2a06:98c1:3120::2026-05-01 → 2026-05-01 · 4 obs
○ 2026-04-29 10:36:52
● 2026-05-01 14:34:48
○ 2026-05-03 20:02:30
○ 2026-05-10 23:18:50
○A2a06:98c1:3121::2026-05-01 → 2026-05-01 · 4 obs
○ 2026-04-29 10:36:52
● 2026-05-01 14:34:48
○ 2026-05-03 20:02:30
○ 2026-05-10 23:18:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bra.dns.br, b.dns.br, c.dns.br, d.dns.br...-
professormario.com.brshane.ns.cloudflare.com, hadlee.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.57

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 893ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.181.254, 104.21.75.209
AAAA22606:4700:3036::ac43:b5fe, 2606:4700:3031::6815:4bd1
NS2hadlee.ns.cloudflare.com, shane.ns.cloudflare.com
MX1mail.professormario.com.br (pri: 1)
TXT1v=spf1 a mx include:websitewelcome.com ~
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1hadlee.ns.cloudflare.com dns.cloudflare.

Analysis

Hierarchy

professormario.com.br is parent of mail.professormario.com.br.

IP Addresses

professormario.com.br points to four IP numbers: 2606:4700:3031::6815:4bd1, 2606:4700:3036::ac43:b5fe, 104.21.75.209 and 172.67.181.254.

Other host names, for instance athensdeland.com, decimation.net, www.myjobmatcher.com, mail.eaglecrestlimited.com and acereply.com share IP numbers with professormario.com.br.

Name Servers

professormario.com.br's delegation is to two name servers hadlee.ns.cloudflare.com and shane.ns.cloudflare.com.

professormario.com.br shares the same name server configuration as other domains, such as cognytus.com, topseries.com.br, alexvillaverde.com.br, longnightstudios.com and idlagam.com.

professormario.com.br at least partially shares its name servers with other domains, for instance britaly.com, ntgra.com, steamyheat.com, ag6133.com and kadinpulaumarore.org.

These name servers are commonly used alongside jason.ns.cloudflare.com and achiel.ns.cloudflare.com.

Host names with six IP numbers:

hadlee.ns.cloudflare.com points to: 2606:4700:50::a29f:2643, 2803:f800:50::6ca2:c243, 2a06:98c1:50::ac40:2243, 108.162.194.67, 162.159.38.67 and 172.64.34.67.

shane.ns.cloudflare.com points to: 2606:4700:58::a29f:2c39, 2803:f800:50::6ca2:c339, 2a06:98c1:50::ac40:2339, 108.162.195.57, 162.159.44.57 and 172.64.35.57.

Mail Servers

professormario.com.br is served by a single mail server, mail.professormario.com.br.

mail.professormario.com.br points to IP number 192.185.213.25.