robtex.com

Returns the most recently opened Lightning Network channels, sorted by open time descending.

Check an IP address reputation against 100+ real-time blocklists (DNSBLs).

Lookup DNS records (A, AAAA, MX, NS, TXT, CNAME, SOA) for a given hostname.

Find hostnames that use a specific DNS record value.

Find hostnames that use a specific mail server.

Find hostnames that use a specific nameserver.

Find hostnames that point to a specific IP address (IPv4 or IPv6).

Find hostnames that *previously* used a specific nameserver but no longer do.

Find hostnames that *previously* used a specific mail server but no longer do.

Find hostnames that *previously* pointed to a specific IP address but no longer do.

Look up the manufacturer/vendor of a network device by its MAC address.

Lookup WHOIS information for an Autonomous System (AS) number from the RADB routing database.

Lookup a Lightning Network node by public key.

Lookup a Lightning channel by channel ID.

Lookup all Lightning Network channels for a given node by public key.

Get recommended Lightning Network peers for a given node.

Search for Lightning Network nodes by partial alias match.

Queries the authoritative RDAP registry for a domain.

Parse a hostname into its constituent parts using the Mozilla Public Suffix List (9700+ entries).

Check whether a hostname is a subdomain (has labels beyond the registered domain).

Extract the registered domain (eTLD+1) from a hostname.

Get information about a top-level domain or effective TLD.

Find hostnames that have a CNAME record pointing to the specified target.

Find hostnames that previously had a CNAME record pointing to the specified target but no longer do.

Get geographic location data for an IP address: country, city, region, latitude, longitude, timezone.

Get the containing network (BGP route), AS number, AS name, and route description for an IP address.

Lightweight lookup: get just the AS number and netblock for an IP address.

Check an IP address against IPsum, FireHOL, Tor exit node lists, C2 indicators, Roskomnadzor (Russia), and other threat intelligence feeds.

Combined threat intelligence: DNSBL listings, IPsum score, FireHOL lists, bad ASN flag, Tor exit status.

Get the name, organization, country, and description for an Autonomous System number.

Get all IPv4 and IPv6 network prefixes (netblocks) announced by an Autonomous System.

Get comprehensive domain reputation: Majestic rank, Tranco rank, HaGeZi blocklist status, Blackbook malware status, phishing database status, HSTS preload status, and disposable email detection.

Get domain popularity rankings from five independent sources: Majestic Million (backlinks), Tranco top 1M (aggregated traffic), Cloudflare Radar (1.1.1.1 DNS query popularity), Cisco Umbrella (OpenDNS query popularity), and Chrome UX Report (real Chrome user traffic).

Check a domain against HaGeZi DNS blocklists, Steven Black unified hosts, Blackbook malware list, phishing databases, Roskomnadzor (Russia), and Citizen Lab censorship lists.

Find other domains hosted on the same IP address(es) as the target domain.

Find other domains using the same nameserver(s) as the target domain.

Find other domains using the same mail server(s) as the target domain.

Verify an email address by connecting to its mail server via SMTP.

Check if the API is responding.

Returns full transaction details: inputs with addresses and values, outputs with spent status, fee, size/weight, SegWit flag, and Lightning Network channel correlation.

Returns address balance, total received/sent, transaction counts, address type (P2PKH, P2SH, P2WPKH, P2TR), first/last seen block, and ransomware/abuse flags.

Returns block header (hash, timestamp, version, merkle root, difficulty, nonce), transaction count, and list of transaction IDs.

Returns a paginated list of transactions involving a Bitcoin address.

For a given transaction, returns which subsequent transactions consumed its outputs.

Returns cumulative blockchain metrics over a configurable block range.