qtb.com.br - robtex.com
qtb.com.br
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 177.71.130.211🇧🇷 Amazon177.71.128.0/17 South America prefix | ||||||
| PTR | ec2-177-71-130-211.sa-east-1.compute.amazonaws.com | ||||||
| NS | a.auto.dns.br ⭐ | ||||||
| A | 2001:12ff:0:2::88🇧🇷 REGISTROBRNET2001:12ff::/32 Registro.BR Network | ||||||
| PTR | a.auto.dns.br | ||||||
| A | 200.160.2.88🇧🇷 REGISTROBRNET200.160.0.0/20 Registro.BR Network | ||||||
| PTR | a.auto.dns.br | ||||||
| NS | b.auto.dns.br | ||||||
| A | 2001:12ff:0:2::89🇧🇷 REGISTROBRNET2001:12ff::/32 Registro.BR Network | ||||||
| PTR | b.auto.dns.br | ||||||
| A | 200.160.2.89🇧🇷 REGISTROBRNET200.160.0.0/20 Registro.BR Network | ||||||
| PTR | b.auto.dns.br | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | a.auto.dns.brhostmaster@registro.br 2026-10-30 #0 | ||||||
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 2026-10-25 #70 | ||||||
rank #4017 in the tld
WOT: SAFE (69/100)
Previously MX for
qtb.com.br |
Same first word
qtb.net |
qtb.me |
qtb.it |
qtb.info |
qtb.de |
qtb.limited |
qtb.se |
qtb.in |
qtb.eu |
qtb.co.nz |
qtb.co |
qtb.com |
qtb.cz |
qtb.ru |
qtb.at |
qtb.cc |
qtb.tv |
qtb.com.br |
qtb.cn |
qtb.nl |
Similar names
DNS History
7 records (3 active, 4 former)
●NSa.auto.dns.br2026-03-31 → 2026-04-13 · 3 obs
● 2026-03-31 10:21:16
● 2026-04-13 00:05:52
●NSb.auto.dns.br2026-03-31 → 2026-04-13 · 3 obs
● 2026-03-31 10:21:16
● 2026-04-13 00:05:52
○NSns1.jorge1963.virtuaserver.com.br2015-12-17 → 2016-04-15 · 4 obs
● 2016-04-15 00:55:22
○ 2016-12-25 10:00:22
○ 2026-04-13 00:05:52
○NSns2.jorge1963.virtuaserver.com.br2015-12-17 → 2016-04-15 · 4 obs
● 2016-04-15 00:55:22
○ 2016-12-25 10:00:22
○ 2026-04-13 00:05:52
○MXqtb.com.br2015-12-17 → 2016-04-15 · 4 obs
● 2016-04-15 00:55:22
○ 2016-12-25 10:00:22
○ 2026-04-13 00:05:52
●A177.71.130.2112026-03-31 → 2026-04-13 · 3 obs
● 2026-03-31 10:21:16
● 2026-04-13 00:05:52
○A216.59.16.1042015-12-17 → 2016-04-15 · 4 obs
● 2016-04-15 00:55:22
○ 2016-12-25 10:00:22
○ 2026-04-13 00:05:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, e.dns.br, c.dns.br... | - |
| qtb.com.br | a.auto.dns.br, b.auto.dns.br | - |
✅ Authoritative Response
Server:200.160.2.88
NS records: a.auto.dns.br, b.auto.dns.br
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1213ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 177.71.130.211 |
| NS | 2 | a.auto.dns.br, b.auto.dns.br |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | a.auto.dns.br hostmaster.registro.br |
Analysis
IP Addresses
qtb.com.br points to a single IP number: 177.71.130.211.
Other host names, for instance dpa.com.br, bme.com.br, bro.com.br, xof.com.br and cmu.com.br share IP numbers with qtb.com.br.
Name Servers
Delegation for qtb.com.br rests with two name servers, a.auto.dns.br and b.auto.dns.br.
qtb.com.br shares the same name server setup as other domains, including guiajabo.com.br, finavalentina.com.br, mulheronline.com.br, sushiden.com.br and saudepro.com.br.
Host names with two IP numbers: a.auto.dns.br points to 2001:12ff:0:2::88 and 200.160.2.88; b.auto.dns.br points to 2001:12ff:0:2::89 and 200.160.2.89.