Scan OS information and Traceroute (nmap -A mx.core.locaweb.com.br)
Nmap scan report for mx.core.locaweb.com.br (177.153.23.241)
Host is up (0.17s latency).
Not shown: 999 filtered tcp ports (no-response)
PORT STATE SERVICE VERSION
25/tcp open smtp Postfix smtpd
|_ssl-date: TLS randomness does not represent time
|_smtp-commands: burns0110.correio.biz, PIPELINING, SIZE 45000000, ETRN, STARTTLS, ENHANCEDSTATUSCODES, 8BITMIME, DSN
| ssl-cert: Subject: commonName=*.locaweb.com.br
| Subject Alternative Name: DNS:*.locaweb.com.br, DNS:locaweb.com.br
| Not valid before: 2024-01-15T21:39:15
|_Not valid after: 2025-02-15T21:39:14
Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port
OS fingerprint not ideal because: Missing a closed TCP port so results incomplete
No OS matches for host
Network Distance: 12 hops
Service Info: Host: burns0110.correio.biz
TRACEROUTE (using port 25/tcp)
HOP RTT ADDRESS
1 0.22 ms 208.76.251.177.rdns.ColocationAmerica.com (208.76.251.177)
2 0.66 ms gw.mcom-colocationamerica.com (208.64.231.81)
3 0.79 ms r2b4.n1.p1401.lax.multacom.net (64.69.46.11)
4 0.63 ms 206.72.211.137.any2ix.coresite.com (206.72.211.137)
5 0.63 ms po110.bs-b.sech-lax.netarch.akamai.com (23.57.96.245)
6 0.83 ms a72-52-1-157.deploy.static.akamaitechnologies.com (72.52.1.157)
7 1.10 ms ae120.access-a.sech-lax.netarch.akamai.com (23.57.96.249)
8 0.81 ms 93.191.172.139
9 172.93 ms a69-192-175-184.deploy.static.akamaitechnologies.com (69.192.175.184)
10 ...
11 173.26 ms iv1513.c6a.ita.br.as27715.net (191.252.31.20)
12 171.05 ms mx.core.locaweb.com.br (177.153.23.241)
OS and Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 33.81 seconds