tetraweb.com.br - robtex.com
tetraweb.com.br
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 3.136.232.26🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix | ||||||
| PTR | ec2-3-136-232-26.us-east-2.compute.amazonaws.com | ||||||
| A | 3.137.108.170🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix | ||||||
| NS | b.sec.dns.br ⭐ | ||||||
| A | 2001:12f8:b:1::11🇧🇷 C-DNS-BR2001:12f8:b::/48 Registro.BR Network (C.DNS.BR) | ||||||
| PTR | b.sec.dns.br | ||||||
| A | 200.192.232.11🇧🇷 C-DNS-BR200.192.232.0/24 Registro.BR Network (C.DNS.BR) | ||||||
| PTR | b.sec.dns.br | ||||||
| NS | c.sec.dns.br | ||||||
| A | 2001:12f8:9:1::11🇧🇷 B-DNS-BR2001:12f8:9::/48 Registro.BR Network (B.DNS.BR) | ||||||
| PTR | c.sec.dns.br | ||||||
| A | 200.189.40.11🇧🇷 B-DNS-BR200.189.40.0/24 Registro.BR Network (B.DNS.BR) | ||||||
| PTR | c.sec.dns.br | ||||||
| SOA | b.sec.dns.brhostmaster@registro.br serial=2026208000 | ||||||
com.br
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.br ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.br ⚠️ Not in parent delegation | ||||||
| NS | c.dns.br ⚠️ Not in parent delegation | ||||||
| NS | d.dns.br ⚠️ Not in parent delegation | ||||||
| NS | e.dns.br ⚠️ Not in parent delegation | ||||||
| NS | f.dns.br ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.brhostmaster@registro.br serial=2026223506 | ||||||
rank #3818 in the tld
WOT: SAFE (69/100)
Previously MX for
tetraweb.com.br |
Same first word
Similar names
DNS History
12 records (4 active, 8 former)
●NSb.sec.dns.br2026-07-08 → 2026-08-11 · 3 obs
● 2026-07-08 09:26:18
● 2026-08-11 21:38:00
●NSc.sec.dns.br2026-07-08 → 2026-08-11 · 3 obs
● 2026-07-08 09:26:18
● 2026-08-11 21:38:00
○NSns1.brspace.biz2015-10-18 → 2016-09-18 · 7 obs
● 2015-10-18 15:08:10
○ 2016-01-17 04:40:14
● 2016-04-07 04:21:30
● 2016-09-18 14:51:42
○ 2017-04-20 17:47:50
○ 2026-08-11 21:38:00
○NSns2.brspace.biz2015-10-18 → 2016-09-18 · 7 obs
● 2015-10-18 15:08:10
○ 2016-01-17 04:40:14
● 2016-04-07 04:21:30
● 2016-09-18 14:51:42
○ 2017-04-20 17:47:50
○ 2026-08-11 21:38:00
○NSns3.brspace.com.br2015-05-31 → 2015-05-31 · 3 obs
○ 2015-10-18 15:08:10
○ 2026-08-11 21:38:00
○NSns4.brspace.com.br2015-05-31 → 2015-05-31 · 3 obs
○ 2015-10-18 15:08:10
○ 2026-08-11 21:38:00
○MXmailserv.tetraweb.com.br2015-05-31 → 2015-05-31 · 3 obs
○ 2015-10-18 15:08:10
○ 2026-08-11 21:38:00
○MXtetraweb.com.br2015-10-18 → 2016-09-18 · 7 obs
● 2015-10-18 15:08:10
○ 2016-01-17 04:40:14
● 2016-04-07 04:21:30
● 2016-09-18 14:51:42
○ 2017-04-20 17:47:50
○ 2026-08-11 21:38:00
○A173.192.55.1602015-05-31 → 2015-05-31 · 3 obs
○ 2015-10-18 15:08:10
○ 2026-08-11 21:38:00
●A3.136.232.262026-07-08 → 2026-08-11 · 3 obs
● 2026-07-08 09:26:18
● 2026-08-11 21:38:00
●A3.137.108.1702026-07-08 → 2026-08-11 · 3 obs
● 2026-07-08 09:26:18
● 2026-08-11 21:38:00
○A45.35.41.2272015-10-18 → 2016-09-18 · 7 obs
● 2015-10-18 15:08:10
○ 2016-01-17 04:40:14
● 2016-04-07 04:21:30
● 2016-09-18 14:51:42
○ 2017-04-20 17:47:50
○ 2026-08-11 21:38:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | d.dns.br, f.dns.br, b.dns.br, a.dns.br... | - |
| tetraweb.com.br | c.sec.dns.br, b.sec.dns.br | - |
✅ Authoritative Response
Server:200.192.232.11
NS records: c.sec.dns.br, b.sec.dns.br
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 810ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.137.108.170, 3.136.232.26 |
| NS | 2 | c.sec.dns.br, b.sec.dns.br |
| SOA | 1 | b.sec.dns.br hostmaster.registro.br |
Analysis
IP Addresses
tetraweb.com.br points to the IP addresses 3.136.232.26 and 3.137.108.170
Additional host names — mouramachado.com, leadnardo.com, iubf.org and two others — share IP numbers with tetraweb.com.br.
Name Servers
tetraweb.com.br uses two name servers for its delegation: b.sec.dns.br and c.sec.dns.br.
tetraweb.com.br shares its name server setup with other domains, including rmrti.com.br, hegemonia.com.br, eccen.com.br and two others.
There is at least partial name server overlap between tetraweb.com.br and other domains — sintanapele.com.br, portalprati.com.br, digiplasfestas.com.br and two more among them.
These name servers are routinely deployed together with the name servers a.sec.dns.br.
The two host names b.sec.dns.br and c.sec.dns.br each have a pair of IP addresses: b.sec.dns.br has 200.192.232.11 and 2001:12f8:b:1::11, and c.sec.dns.br has 200.189.40.11 and 2001:12f8:9:1::11.