QUOTE(kwss @ Sep 3 2024, 12:15 AM)
For people who has their DNS blocked, do you all mind to install nmap and run the following command?
CODE
nmap -sCV -Pn -p 53,443,853 <IP address of DNS server>
eg 1:
nmap -sCV -Pn -p 53,443,853 dns.google
eg 2:
nmap -sCV -Pn -p 53,443,853 9.9.9.9
Share your output here.
i not sure if i blocked
C:\Program Files (x86)\Nmap>nmap -sCV -Pn -p 53,443,853 dns.google
Starting Nmap 7.95 (
https://nmap.org ) at 2024-09-03 09:10 Malay Peninsula Standard Time
Nmap scan report for dns.google (8.8.4.4)
Host is up (0.022s latency).
Other addresses for dns.google (not scanned): 2001:4860:4860::8888 2001:4860:4860::8844 8.8.8.8
PORT STATE SERVICE VERSION
53/tcp open tcpwrapped
| dns-nsid:
|_ bind.version: unbound 1.13.2
443/tcp open tcpwrapped
| http-server-header:
| HTTP server (unknown)
|_ scaffolding on HTTPServer2
| ssl-cert: Subject: commonName=dns.google
| Subject Alternative Name: DNS:dns.google, DNS:dns.google.com, DNS:*.dns.google.com, DNS:8888.google, DNS:dns64.dns.google, IP Address:8.8.8.8, IP Address:8.8.4.4, IP Address:2001:4860:4860:0:0:0:0:8888, IP Address:2001:4860:4860:0:0:0:0:8844, IP Address:2001:4860:4860:0:0:0:0:6464, IP Address:2001:4860:4860:0:0:0:0:64
| Not valid before: 2024-08-05T07:20:13
|_Not valid after: 2024-10-28T07:20:12
|_ssl-date: TLS randomness does not represent time
853/tcp open tcpwrapped
|_ssl-date: TLS randomness does not represent time
| ssl-cert: Subject: commonName=dns.google
| Subject Alternative Name: DNS:dns.google, DNS:dns.google.com, DNS:*.dns.google.com, DNS:8888.google, DNS:dns64.dns.google, IP Address:8.8.8.8, IP Address:8.8.4.4, IP Address:2001:4860:4860:0:0:0:0:8888, IP Address:2001:4860:4860:0:0:0:0:8844, IP Address:2001:4860:4860:0:0:0:0:6464, IP Address:2001:4860:4860:0:0:0:0:64
| Not valid before: 2024-08-05T07:20:13
|_Not valid after: 2024-10-28T07:20:12
Service detection performed. Please report any incorrect results at
https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 27.10 seconds
C:\Program Files (x86)\Nmap>nmap -sCV -Pn -p 53,443,853 9.9.9.9
Starting Nmap 7.95 (
https://nmap.org ) at 2024-09-03 09:12 Malay Peninsula Standard Time
Nmap scan report for dns9.quad9.net (9.9.9.9)
Host is up (0.049s latency).
PORT STATE SERVICE VERSION
53/tcp open domain Unbound 1.13.2
| dns-nsid:
|_ bind.version: unbound 1.13.2
443/tcp open ssl/https
|_ssl-date: TLS randomness does not represent time
| ssl-cert: Subject: commonName=dns.quad9.net/organizationName=Quad9/stateOrProvinceName=Zurich/countryName=CH
| Subject Alternative Name: DNS:dns.quad9.net, DNS:dns-nosec.quad9.net, DNS:doh-brave.quad9.net, DNS:dns.resolver.quad9.net, DNS:alpha-dns.quad9.net, DNS:beta-dns.quad9.net, DNS:dns9.quad9.net, DNS:dns10.quad9.net, DNS:dns11.quad9.net, DNS:dns12.quad9.net, DNS:dns13.quad9.net, DNS:dns14.quad9.net, DNS:dns15.quad9.net, DNS:dns254.quad9.net, DNS:mozilla.quad9.net, IP Address:9.9.9.9, IP Address:9.9.9.10, IP Address:9.9.9.11, IP Address:9.9.9.12, IP Address:9.9.9.13, IP Address:9.9.9.14, IP Address:9.9.9.15, IP Address:149.112.112.9, IP Address:149.112.112.10, IP Address:149.112.112.11, IP Address:149.112.112.12, IP Address:149.112.112.13, IP Address:149.112.112.14, IP Address:149.112.112.15, IP Address:149.112.112.112, IP Address:2620:FE:0:0:0:0:0:FE, IP Address:2620:FE:0:0:0:0:0:9, IP Address:2620:FE:0:0:0:0:0:10, IP Address:2620:FE:0:0:0:0:0:11, IP Address:2620:FE:0:0:0:0:0:12, IP Address:2620:FE:0:0:0:0:0:13, IP Address:2620:FE:0:0:0:0:0:14, IP Address:2620:FE:0:0:0:0:0:15, IP Address:2620:FE:0:0:0:0:FE:9, IP Address:2620:FE:0:0:0:0:FE:10, IP Address:2620:FE:0:0:0:0:FE:11, IP Address:2620:FE:0:0:0:0:FE:12, IP Address:2620:FE:0:0:0:0:FE:13, IP Address:2620:FE:0:0:0:0:FE:14, IP Address:2620:FE:0:0:0:0:FE:15
| Not valid before: 2024-07-17T00:00:00
|_Not valid after: 2025-07-16T23:59:59
|_http-server-header: h2o/dnsdist
|_http-title: Site doesn't have a title (text/plain; charset=utf-8).
853/tcp open ssl/domain (unknown banner: Q9-P-7.5)
| fingerprint-strings:
| DNSVersionBindReqTCP:
| version
| bind
|_ Q9-P-7.5
|_ssl-date: TLS randomness does not represent time
| ssl-cert: Subject: commonName=dns.quad9.net/organizationName=Quad9/stateOrProvinceName=Zurich/countryName=CH
| Subject Alternative Name: DNS:dns.quad9.net, DNS:dns-nosec.quad9.net, DNS:doh-brave.quad9.net, DNS:dns.resolver.quad9.net, DNS:alpha-dns.quad9.net, DNS:beta-dns.quad9.net, DNS:dns9.quad9.net, DNS:dns10.quad9.net, DNS:dns11.quad9.net, DNS:dns12.quad9.net, DNS:dns13.quad9.net, DNS:dns14.quad9.net, DNS:dns15.quad9.net, DNS:dns254.quad9.net, DNS:mozilla.quad9.net, IP Address:9.9.9.9, IP Address:9.9.9.10, IP Address:9.9.9.11, IP Address:9.9.9.12, IP Address:9.9.9.13, IP Address:9.9.9.14, IP Address:9.9.9.15, IP Address:149.112.112.9, IP Address:149.112.112.10, IP Address:149.112.112.11, IP Address:149.112.112.12, IP Address:149.112.112.13, IP Address:149.112.112.14, IP Address:149.112.112.15, IP Address:149.112.112.112, IP Address:2620:FE:0:0:0:0:0:FE, IP Address:2620:FE:0:0:0:0:0:9, IP Address:2620:FE:0:0:0:0:0:10, IP Address:2620:FE:0:0:0:0:0:11, IP Address:2620:FE:0:0:0:0:0:12, IP Address:2620:FE:0:0:0:0:0:13, IP Address:2620:FE:0:0:0:0:0:14, IP Address:2620:FE:0:0:0:0:0:15, IP Address:2620:FE:0:0:0:0:FE:9, IP Address:2620:FE:0:0:0:0:FE:10, IP Address:2620:FE:0:0:0:0:FE:11, IP Address:2620:FE:0:0:0:0:FE:12, IP Address:2620:FE:0:0:0:0:FE:13, IP Address:2620:FE:0:0:0:0:FE:14, IP Address:2620:FE:0:0:0:0:FE:15
| Not valid before: 2024-07-17T00:00:00
|_Not valid after: 2025-07-16T23:59:59
1 service unrecognized despite returning data. If you know the service/version, please submit the following fingerprint at
https://nmap.org/cgi-bin/submit.cgi?new-service :
SF-Port853-TCP:V=7.95%T=SSL%I=7%D=9/3%Time=66D6627B%P=i686-pc-windows-wind
SF:ows%r(DNSVersionBindReqTCP,35,"\x003\0\x06\x81\x80\0\x01\0\x01\0\0\0\0\
SF:x07version\x04bind\0\0\x10\0\x03\xc0\x0c\0\x10\0\x03\0\0}q\0\t\x08Q9-P-
SF:7\.5");
Service detection performed. Please report any incorrect results at
https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 29.69 seconds
This post has been edited by raizer99: Sep 3 2024, 09:18 AM