https://github.com/james-p-d/dns
A simple command-line Domain Name System tool in Ruby using raw UDP packets
https://github.com/james-p-d/dns
dns ruby udp
Last synced: about 1 month ago
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A simple command-line Domain Name System tool in Ruby using raw UDP packets
- Host: GitHub
- URL: https://github.com/james-p-d/dns
- Owner: James-P-D
- License: mit
- Created: 2019-11-22T20:21:33.000Z (over 6 years ago)
- Default Branch: master
- Last Pushed: 2021-07-04T20:41:57.000Z (about 5 years ago)
- Last Synced: 2025-03-11T17:24:23.848Z (over 1 year ago)
- Topics: dns, ruby, udp
- Language: Ruby
- Size: 221 KB
- Stars: 0
- Watchers: 2
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# DNS
A simple command-line [Domain Name System (DNS)](https://en.wikipedia.org/wiki/Domain_Name_System) tool in [Ruby](https://www.ruby-lang.org/en/) (v2.6.5p114) using raw UDP packets
## Usage
```
C:\Users\jdorr\Desktop\Dev\DNS\src>ruby -v
ruby 2.6.5p114 (2019-10-01 revision 67812) [x64-mingw32]
C:\Users\jdorr\Desktop\Dev\DNS\src>ruby dns.rb
ruby DNS.rb domain-host lookup-host1..lookup-hostN
e.g. ruby DNS.rb 192.168.0.1 news.bbc.co.uk
e.g. ruby DNS.rb 192.168.0.1 www.facebook.com www.twitter.com www.instagram.com
C:\Users\jdorr\Desktop\Dev\DNS\src>ruby dns.rb 192.168.0.1 www.facebook.com www.twitter.com
Query www.facebook.com sent to 192.168.0.1
2 answers received
Response:
Type: 5 (CNAME (Canonical NAME for an alias))
TTL: 60
Name: star-mini.c10r.facebook.com
Response:
Type: 1 (A (Host Address))
TTL: 60
Name: 157.240.1.35
Query www.twitter.com sent to 192.168.0.1
3 answers received
Response:
Type: 5 (CNAME (Canonical NAME for an alias))
TTL: 6
Name: twitter.com
Response:
Type: 1 (A (Host Address))
TTL: 6
Name: 104.244.42.1
Response:
Type: 1 (A (Host Address))
TTL: 6
Name: 104.244.42.65
Complete.
```