mx.a.lecom.com.br - robtex.com
mx.a.lecom.com.br
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.164.243.155🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix | ||||||
| PTR | mta.a.lecom.com.br | ||||||
a.lecom.com.br
| DNSSEC | ⚠️ Not signed | ||||||
MX for
Previously MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○A23.253.204.1482015-08-23 → 2015-08-23 · 3 obs
● 2015-08-23 02:36:30
○ 2015-09-16 05:53:18
○ 2026-03-24 05:29:10
○ 2015-09-16 05:53:18
○ 2026-03-24 05:29:10
●A54.164.243.1552015-09-16 → 2026-03-24 · 3 obs
○ 2015-08-23 02:36:30
● 2015-09-16 05:53:18
● 2026-03-24 05:29:10
● 2015-09-16 05:53:18
● 2026-03-24 05:29:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | - |
| lecom.com.br | ns.a.lecom.com.br, ns.b.lecom.com.br, ns.c.lecom.com.br, ns.d.lecom.com.br | 4 records |
✅ Authoritative Response
Server:191.232.244.62
NS records: ns.a.lecom.com.br, ns.b.lecom.com.br, ns.c.lecom.com.br, ns.d.lecom.com.br
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lecom.com.br (unsigned zone)
⏱️ Timing
Total: 900ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.164.243.155 |
📌 Glue Records Collected
Total: 4
In-bailiwick: 4 (ns.a.lecom.com.br, ns.b.lecom.com.br, ns.c.lecom.com.br...)
Analysis
Mail Server Role
mx.a.lecom.com.br serves as a mail server for lecom.net.br, atosbpm.com.br and nossa.com.br.
IP Addresses
mx.a.lecom.com.br resolves to a single IP address: 54.164.243.155.
Other host names, such as mta.a.lecom.com.br and correio2.lecom.com.br, share IP numbers with mx.a.lecom.com.br.