Domains and ip related data:

New: interactive map of worldwide distribution of domains

New: interactive map of worldwide distribution of mailservers

New: interactive map of worldwide distribution of nameservers

Check out the json-API here: to the API

For pseudo-zonefiles, check the archive over here
For domainnamelists, click here
Daily dump of domains & subdomains from CT-Logs
DNSSec enabled domains statistics
Top ASN's hosting domains
Top ipv4's hosting domains
Top countries hosting domains on ipv4
Top ipv6's hosting domains
Top countries hosting domains on ipv6
Top mailservers used by domains
Mailservers using the same IPv4 address
Mailservers using the same IPv6 address
Mailservers using the same ASN (IPv4)
Mailservers using the same ASN (IPv6)
Mailservers using the same top level domain
Mailservers using 0.0.0.0 as IPv4 address
Top domains hosted on nameservers
Nameservers using the same IPv4 address
Nameservers using the same IPv6 address
Nameservers using the same ASN (IPv4)
Nameservers using the same ASN (IPv6)
Nameservers using the same top level domain
Top CNAME redirects
Nameservers using 0.0.0.0 as IPv4 address
Domains configured on private IP addresses (RFC 1918)
Mailservers configured on private IP addresses (RFC 1918)
Nameservers configured on private IP addresses (RFC 1918)
Domains configured on IP address 0.0.0.0
A list of all Cloudflare's nameservers
Reverse DNS IPv4 range dataset december 2023, example: curl -sL https://ipsniper.info/archive/dns_data/2023-12_rdns_ipv4.json.gz | zcat
Check the reverse and forward DNS datasets
Iana rootdb in json format

All IP's from portscanners like binaryedge.ninja, censys-scanner.com, criminalip.com, eecs.umich.edu, internet-census.org, internet-measurement.com, intrinsec.com, netcraft.com, netcraftsecurity.com, onyphe.net, openportstats.com, security-research.org, security.ipip.net, shadowserver.org, shodan.io, stretchoid.com in a handy textfile import to firewall
or here, in JSON: JSON-format

Check our archive all zonefiles, domainlists, all nameservers, all mailservers, all IP addresses and the complete backup of the DNS survey

Info:

2026 Jan 07: Check out the interactive worldwide domains, mail and nameserver distribution maps and find out how many domains, mail or nameservers are hosted in your area.

2026 Jan 05: Forward DNS for January 2026 done. This month run yielded forward-DNS info for 342875174 domains, 53301292 mailservers and 3035295 nameservers. Check here for the datasets or here for the full dns-export.

2025 Dec 13: Forward DNS for December 2025 done. This month run yielded forward-DNS info for 339084869 domains, 53970379 mailservers and 3157681 nameservers. Check here for the datasets or here for the full dns-export.

2025 Dec 13: Archive is (partially) online.

2025 Dec 13: API is online. Enjoy.

2025 Dec 11: API and archive are still oflline, I expect it back in a few days.

2025 Dec 10: We're back online. Due to a defective server the site was inaccessible. The DNSsurvey for december is running, so stand by and thanks for your patience.

Wanna drop me a line? Send a mail to info at ipsniper.info.