mx2.cotrel.com.br - robtex.com
mx2.cotrel.com.br
| DNSSEC | ⚠️ Not signed | ||||||
| A | 177.11.164.250🇧🇷 UNSPECIFIED177.11.164.0/24 CLARO S.A. Customer | ||||||
| PTR | nac.cotrel.com.br | ||||||
cotrel.com.br
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.sec.dns.br ⭐ | ||||||
| NS | c.sec.dns.br | ||||||
| MX | mx2.cotrel.com.br ⭐ | ||||||
| MX | mx.cotrel.com.br(10) | ||||||
| TXT | google-site-verification=WjdXo5vEw_wsFljUqmdElYrmhPuy-Gayr3uQHX2_8uI | ||||||
| TXT | v=spf1 ip4:177.11.164.250 ip4:177.11.164.252 include:spf.scanscope.net -all | ||||||
| SOA | a.sec.dns.brhostmaster@registro.br serial=2026290000 | ||||||
PTR for
MX for
Same first word
Similar names
Previous names
Next names
DNS History
2 records (1 active, 1 former)
●A177.11.164.2502026-02-19 → 2026-10-17 · 3 obs
○ 2021-06-10 01:19:42
● 2026-02-19 14:44:42
● 2026-10-17 09:51:52
● 2026-02-19 14:44:42
● 2026-10-17 09:51:52
○A177.75.95.382016-12-12 → 2021-06-10 · 4 obs
● 2016-12-12 05:09:26
● 2021-06-10 01:19:42
○ 2026-02-19 14:44:42
○ 2026-10-17 09:51:52
● 2021-06-10 01:19:42
○ 2026-02-19 14:44:42
○ 2026-10-17 09:51:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | - |
| cotrel.com.br | a.sec.dns.br, c.sec.dns.br | - |
✅ Authoritative Response
Server:200.189.40.11
NS records: a.sec.dns.br, c.sec.dns.br
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 3692ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 177.11.164.250 |
Analysis
Mail Server Role
mx2.cotrel.com.br is a mail server for cotrel.com.br.
mx.cotrel.com.br is a mail server commonly deployed alongside mx2.cotrel.com.br.
IP Addresses
mx2.cotrel.com.br directs to one IP number, which is 177.11.164.250.
Host names like nac.cotrel.com.br are further examples that share IP numbers with mx2.cotrel.com.br.