Robust domain name parsing using the Public Suffix List
This library allows you to easily and accurately parse any given domain name.
use addr::parser::{DomainName, DnsName};
use psl::List;
let domain = List.parse_domain_name("www.example.com")?;
assert_eq!(domain.root(), Some("example.com"));
assert_eq!(domain.suffix(), "com");
let domain = List.parse_domain_name("www.食狮.中国")?;
assert_eq!(domain.root(), Some("食狮.中国"));
assert_eq!(domain.suffix(), "中国");
let domain = List.parse_domain_name("www.xn--85x722f.xn--55qx5d.cn")?;
assert_eq!(domain.root(), Some("xn--85x722f.xn--55qx5d.cn"));
assert_eq!(domain.suffix(), "xn--55qx5d.cn");
let domain = List.parse_domain_name("a.b.example.uk.com")?;
assert_eq!(domain.root(), Some("example.uk.com"));
assert_eq!(domain.suffix(), "uk.com");
let name = List.parse_dns_name("_tcp.example.com.")?;
assert_eq!(name.suffix(), Some("com."));
assert!(domain.has_known_suffix());