Software & data credits

Third-party data and assets used by ILSERBY that require attribution or acknowledgment.

Data sources

• DB-IP Lite (Country, City, ASN) — db-ip.com — geolocation enrichment on DNS and IP lookup pages. IP Geolocation by DB-IP.
• DNS blocklists (DNSBL/RBL) — live DNS reputation queries for the IP Blacklist Check tool, including Spamhaus, SpamCop, PSBL, SpamRATS, Invaluement, UCEProtect, Blocklist.de, GreenSnow, and DroneBL. Each provider maintains its own listing policy and delisting process.
• crt.sh — crt.sh — certificate transparency log search on the SSL Checker page.
• IANA RDAP bootstrap (DNS, IPv4, IPv6) — data.iana.org/rdap — registry routing for WHOIS/RDAP and IP registration lookups.

UI assets & libraries

• flag-icons — lipis/flag-icons (MIT) — country flags on network results.
• node-forge — digitalbazaar/forge (BSD / GPL) — client-side self-signed certificate generation on the Certificate Generator page.
• Outfit & JetBrains Mono — via Google Fonts.

Attributions reflect third-party components and datasets integrated into ILSERBY tools as of September 1, 2026.