mathtech.com.br - dns.ninja

mathtech.com.br

DNSSEC🔒 Signed (DS record present)
A199.73.30.106🇺🇸 ANTIETAM199.73.28.0/22
PTRdyn-199.73.30-106.myactv.net
NSe.sec.dns.br
A2001:12f8:b:1::14🇧🇷 C-DNS-BR2001:12f8:b::/48 Registro.BR Network (C.DNS.BR)
PTRe.sec.dns.br
A200.192.232.14🇧🇷 C-DNS-BR200.192.232.0/24 Registro.BR Network (C.DNS.BR)
PTRe.sec.dns.br
NSf.sec.dns.br
A2001:12f8:9:1::14🇧🇷 B-DNS-BR2001:12f8:9::/48 Registro.BR Network (B.DNS.BR)
PTRf.sec.dns.br
A200.189.40.14🇧🇷 B-DNS-BR200.189.40.0/24 Registro.BR Network (B.DNS.BR)
PTRf.sec.dns.br
MXsmtp.rotasurbanas.com.br
SOAe.sec.dns.brhostmaster@registro.br serial=2026169000

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=2026176224
rank #537101 globally
rank #4007 in the tld
WOT: SAFE (69/100)

Same first word

Similar names

DNS History

4 records (4 active, 0 former)

20162017201820192020202120222023202420252026NSe.sec.dns.brf.sec.dns.brMXsmtp.rotasurbanas.com.brA199.73.30.106
NSe.sec.dns.br2015-07-12 → 2026-06-25 · 2 obs
● 2015-07-12 22:57:00
● 2026-06-25 09:55:46
NSf.sec.dns.br2015-07-12 → 2026-06-25 · 2 obs
● 2015-07-12 22:57:00
● 2026-06-25 09:55:46
MXsmtp.rotasurbanas.com.br2015-07-12 → 2026-06-25 · 2 obs
● 2015-07-12 22:57:00
● 2026-06-25 09:55:46
A199.73.30.1062015-07-12 → 2026-06-25 · 2 obs
● 2015-07-12 22:57:00
● 2026-06-25 09:55:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bra.dns.br, b.dns.br, c.dns.br, d.dns.br...-
mathtech.com.bre.sec.dns.br, f.sec.dns.br-

✅ Authoritative Response

Server:200.189.40.14

NS records: e.sec.dns.br, f.sec.dns.br

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2234ms | Queries: -

📄 Records

TypeCountSample Data
A1199.73.30.106
NS2e.sec.dns.br, f.sec.dns.br
MX1smtp.rotasurbanas.com.br (pri: 5)
SOA1e.sec.dns.br hostmaster.registro.br

Analysis

IP Addresses

mathtech.com.br has exactly one IP address — 199.73.30.106.

Name Servers

mathtech.com.br uses two name servers for its delegation: e.sec.dns.br and f.sec.dns.br.

The name server configuration of mathtech.com.br is shared with other domains, for instance speedytelecom.net.br, retimar.com.br, nextcomputer.com.br and two others.

At least some of mathtech.com.br's name servers are shared with other domains, for example frgg.com.br, bcharts.com.br, portalnfe.com.br and two more.

These name servers tend to be used in conjunction with the name servers d.sec.dns.br.

The two host names e.sec.dns.br and f.sec.dns.br each have a pair of IP addresses: e.sec.dns.br has 200.192.232.14 and 2001:12f8:b:1::14, and f.sec.dns.br has 200.189.40.14 and 2001:12f8:9:1::14.

Mail Servers

mathtech.com.br uses one mail server — smtp.rotasurbanas.com.br.