exsystem.com.br - robtex.com
exsystem.com.br
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 49.12.133.234🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC | ||||||
| PTR | mx1.sevenkeys.com.br | ||||||
| NS | dns1.sevenkeys.com.br ⭐ | ||||||
| A | 2a01:4ff:f4:d659::1🇺🇸 HETZNER-CLOUD2-AS2a01:4ff::/40 HETZNER-IPv6-BLK | ||||||
| PTR | dns1.sevenkeys.com.br | ||||||
| A | 178.156.166.48🇩🇪 HETZNER-CLOUD2-AS178.156.166.0/24 | ||||||
| PTR | dns1.sevenkeys.com.br | ||||||
| NS | dns2.sevenkeys.com.br | ||||||
| A | 2a01:4f8:242:4a13::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | whm5.sevenkeys.com.br | ||||||
| A | 49.12.133.234🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC | ||||||
| PTR | mx1.sevenkeys.com.br | ||||||
| NS | dns3.sevenkeys.com.br | ||||||
| A | 2605:a144:2310:8997::1🇺🇸 CONTABO-USA2605:a144::/32 CONTABO EWR | ||||||
| A | 217.216.93.231🇪🇸 CONTABO-USA217.216.80.0/20 | ||||||
| PTR | dns3.sevenkeys.com.br | ||||||
| MX | exsystem.com.br ⭐ 🔒 | ||||||
| A | 49.12.133.234🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC | ||||||
| PTR | mx1.sevenkeys.com.br | ||||||
| TXT | v=spf1 ip4:49.12.133.234 a mx include:spf.sevenkeys.com.br ~all | ||||||
| SOA | dns1.sevenkeys.com.brsuporte@sevenkeys.com.br 2026-03-14 #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 serial=2026084228 | ||||||
rank #4158 in the tld
WOT: SAFE (69/100)
MX for
exsystem.com.br |
Same first word
Similar names
DNS History
13 records (5 active, 8 former)
●NSdns1.sevenkeys.com.br2026-03-19 → 2026-03-25 · 3 obs
● 2026-03-19 03:51:02
● 2026-03-25 09:48:04
●NSdns2.sevenkeys.com.br2026-03-19 → 2026-03-25 · 3 obs
● 2026-03-19 03:51:02
● 2026-03-25 09:48:04
●NSdns3.sevenkeys.com.br2026-03-19 → 2026-03-25 · 3 obs
● 2026-03-19 03:51:02
● 2026-03-25 09:48:04
○NSns1.mwebinformatica.com2015-07-07 → 2017-02-11 · 4 obs
● 2017-02-11 10:03:34
○ 2026-03-19 03:51:02
○ 2026-03-25 09:48:04
○NSns2.mwebinformatica.com2015-07-07 → 2017-02-11 · 4 obs
● 2017-02-11 10:03:34
○ 2026-03-19 03:51:02
○ 2026-03-25 09:48:04
○NSns4.sevenkeys.com.br2026-03-19 → 2026-03-25 · 2 obs
○ 2026-03-25 09:48:04
○NSns5.sevenkeys.com.br2026-03-19 → 2026-03-25 · 2 obs
○ 2026-03-25 09:48:04
○NSns6.sevenkeys.com.br2026-03-19 → 2026-03-25 · 2 obs
○ 2026-03-25 09:48:04
●MXexsystem.com.br2015-07-07 → 2026-03-25 · 2 obs
● 2026-03-25 09:48:04
○A108.168.144.362015-07-07 → 2015-07-07 · 3 obs
○ 2015-11-11 03:19:48
○ 2026-03-25 09:48:04
○A147.93.0.272026-03-19 → 2026-03-25 · 2 obs
○ 2026-03-25 09:48:04
○A198.136.59.202015-11-11 → 2017-02-11 · 5 obs
● 2015-11-11 03:19:48
● 2017-02-11 10:03:34
○ 2026-03-19 03:51:02
○ 2026-03-25 09:48:04
●A49.12.133.2342026-03-19 → 2026-03-25 · 3 obs
● 2026-03-19 03:51:02
● 2026-03-25 09:48:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | f.dns.br, d.dns.br, b.dns.br, e.dns.br... | - |
| exsystem.com.br | dns1.sevenkeys.com.br, dns2.sevenkeys.com.br, dns3.sevenkeys.com.br | 6 records |
✅ Authoritative Response
Server:217.216.93.231
NS records: dns1.sevenkeys.com.br, dns2.sevenkeys.com.br, dns3.sevenkeys.com.br
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 523ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.12.133.234 |
| NS | 3 | dns2.sevenkeys.com.br, dns1.sevenkeys.com.br... |
| MX | 1 | exsystem.com.br (pri: 0) |
| TXT | 1 | v=spf1 ip4:49.12.133.234 a mx include:sp |
| SOA | 1 | dns1.sevenkeys.com.br suporte.sevenkeys. |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (dns3.sevenkeys.com.br, dns2.sevenkeys.com.br, dns1.sevenkeys.com.br...)
Analysis
Mail Server Role
For exsystem.com.br, the mail server is exsystem.com.br.
IP Addresses
exsystem.com.br resolves to one IP number: 49.12.133.234.
other host names including cli.sevenkeys.com.br, mx.credisol.com.br, mx.credisol.org.br, epsy.com.br and credisol.org.br share IP numbers with exsystem.com.br.
Name Servers
exsystem.com.br is delegated to three name servers dns1.sevenkeys.com.br, dns2.sevenkeys.com.br and dns3.sevenkeys.com.br.
exsystem.com.br at least partially shares name servers with other domains, for instance agrokremer.com.br, sevenkeys.com.br, grupofontanella.com, msdobrasil.com.br and geoconsultores.com.br.
these name servers are commonly used alongside ns4.sevenkeys.com.br.
Host names with two IP numbers:
dns1.sevenkeys.com.br points to: 2a01:4ff:f4:d659::1 and 178.156.166.48.
dns2.sevenkeys.com.br points to: 2a01:4f8:242:4a13::1 and 49.12.133.234.
dns3.sevenkeys.com.br points to: 2605:a144:2310:8997::1 and 217.216.93.231.
Mail Servers
exsystem.com.br is served by a single mail server, exsystem.com.br.
exsystem.com.br resolves to IP 49.12.133.234.