mac.arq.br - robtex.com
mac.arq.br
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| 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 serial=2026086830 | ||||||
arq.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=2026086500 | ||||||
rank #142 in the tld
WOT: SAFE (99/100)
Previously MX for
mac.arq.br |
Same first word
Similar names
DNS History
6 records (2 active, 4 former)
●NSa.auto.dns.br2026-03-26 → 2026-03-27 · 3 obs
○ 2018-05-13 21:36:32
● 2026-03-26 05:29:02
● 2026-03-27 20:50:48
● 2026-03-26 05:29:02
● 2026-03-27 20:50:48
●NSb.auto.dns.br2026-03-26 → 2026-03-27 · 3 obs
○ 2018-05-13 21:36:32
● 2026-03-26 05:29:02
● 2026-03-27 20:50:48
● 2026-03-26 05:29:02
● 2026-03-27 20:50:48
○NSns1.focaldedicado1.com.br2018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 21:36:32
○ 2026-03-26 05:29:02
○ 2026-03-27 20:50:48
○ 2026-03-26 05:29:02
○ 2026-03-27 20:50:48
○NSns2.focaldedicado1.com.br2018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 21:36:32
○ 2026-03-26 05:29:02
○ 2026-03-27 20:50:48
○ 2026-03-26 05:29:02
○ 2026-03-27 20:50:48
○MXmac.arq.br2018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 21:36:32
○ 2026-03-26 05:29:02
○ 2026-03-27 20:50:48
○ 2026-03-26 05:29:02
○ 2026-03-27 20:50:48
○A138.128.186.132018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 21:36:32
○ 2026-03-26 05:29:02
○ 2026-03-27 20:50:48
○ 2026-03-26 05:29:02
○ 2026-03-27 20:50:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | - |
| mac.arq.br | a.auto.dns.br, b.auto.dns.br | - |
✅ Authoritative Response
Server:200.160.2.89
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: 1049ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| 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
Name Servers
Two name servers a.auto.dns.br and b.auto.dns.br handle the delegation for mac.arq.br.
mac.arq.br shares the same name server setup as other domains, for example expertaroma.com.br, cespjoaobatista.com.br, rcidirect.com.br, andersonlee.com.br and baiaode2.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.