Refactor WHOIS handling: move WHOIS_TLD_EXCEPTIONS to servers.ts, update imports in discovery and index files, and add DEFAULT_TIMEOUT_MS constant to bootstrap and client modules for consistency.

src/whois/servers.ts

@@ -0,0 +1,53 @@
+// Curated non-standard authoritative WHOIS servers by TLD
+export const WHOIS_TLD_EXCEPTIONS = {
+  // gTLDs
+  com: "whois.verisign-grs.com",
+  net: "whois.verisign-grs.com",
+  org: "whois.pir.org",
+  info: "whois.afilias.net",
+  biz: "whois.nic.biz",
+  edu: "whois.educause.edu",
+  gov: "whois.dotgov.gov",
+
+  // ccTLDs and others
+  de: "whois.denic.de",
+  jp: "whois.jprs.jp",
+  fr: "whois.nic.fr",
+  it: "whois.nic.it",
+  pl: "whois.dns.pl",
+  nl: "whois.domain-registry.nl",
+  be: "whois.dns.be",
+  se: "whois.iis.se",
+  no: "whois.norid.no",
+  fi: "whois.fi",
+  cz: "whois.nic.cz",
+  es: "whois.nic.es",
+  br: "whois.registro.br",
+  ca: "whois.cira.ca",
+  dk: "whois.dk-hostmaster.dk",
+  hk: "whois.hkirc.hk",
+  sg: "whois.sgnic.sg",
+  in: "whois.registry.in",
+  nz: "whois.srs.net.nz",
+  ch: "whois.nic.ch",
+  li: "whois.nic.li",
+  io: "whois.nic.io",
+  ai: "whois.nic.ai",
+  ru: "whois.tcinet.ru",
+  su: "whois.tcinet.ru",
+  "xn--p1ai": "whois.tcinet.ru", // .рф
+
+  // CentralNic-operated second-level zones (treat as exceptions here for simplicity)
+  "uk.com": "whois.centralnic.com",
+  "uk.net": "whois.centralnic.com",
+  "gb.com": "whois.centralnic.com",
+  "gb.net": "whois.centralnic.com",
+  "eu.com": "whois.centralnic.com",
+  "us.com": "whois.centralnic.com",
+  "se.com": "whois.centralnic.com",
+  "de.com": "whois.centralnic.com",
+  "br.com": "whois.centralnic.com",
+  "ru.com": "whois.centralnic.com",
+  "cn.com": "whois.centralnic.com",
+  "sa.com": "whois.centralnic.com",
+} as Record<string, string>;