| .. | ||
| public | ||
| index.js | ||
| package-lock.json | ||
| package.json | ||
| README.md | ||
MailChecker
Requirement
- swipl: SWI-Prolog version 9.2.3 for x86_64-linux
 - npm: 10.5.2
 - nodejs: v18.18.2
 
How to run it
npm install
npm start
then visit localhost:3000
Example input
google.com
renge.io
gmail.com
outlook.com
cs.stonybrook.edu
Expected result
a:
[
    "1.1.1.1" //list of IPs the input domain pointed to
]
mx:
[
    //list of mx domain and priority that the domain points to
    {
        "exchange": "example.com",
        "priority": 10
    }
]
spf:
{
    "spf": "v=spf1 mx -all", //spf record of the domain
    "allowedIP4": [
        "1.1.1.1" //lists of ipv4 ips that is allowed to send email from this domain
    ],
    "allowedIP6": [
        "2001:4860:4000::/36" //lists of ipv6 ips that is allowed to send email from this domain
    ]
}