Domains and ip related data:

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:

2025 Jan 18: Reverse DNS for January 2025 done. Check here for the reverse-dns dataset.

2025 Jan 09: Added new feature: download daily dumps of domains and subdomains which were captured from the CT-Logs here.

What are CT-Logs?

2025 Jan 07: Forward DNS for January 2025 done. This month run yielded forward-DNS info for 315,748,010 domains, 56,047,539 mailservers and 3,502,272 nameservers. Check here for the datasets or here for the full dns-export.

2025 Jan 01: As per Januari 1st, 2025 , the new and deleted domains from zonefiles have been retired. Already captured new/ deleted domains from zonefiles will stay active.

2024 Dec 21: Reverse DNS for December 2024 done. Check here for the reverse-dns dataset.

2024 Dec 12: Forward DNS for December 2024 done. This month run yielded forward-DNS info for 312,941,371 domains, 55,822,649 mailservers and 3,516,261 nameservers. Check here for the datasets or here for the full dns-export.

2024 Nov 20: Reverse DNS for November 2024 done. Check here for the reverse-dns dataset.

2024 Nov 08: Forward DNS for November 2024 done. This month run yielded forward-DNS info for 312,927,620 domains, 56,266,284 mailservers and 3,545,077 nameservers. Check here for the datasets or here for the full dns-export.

2024 Oct 20: Reverse DNS for October 2024 done. Check here for the reverse-dns dataset.

2024 Oct 08: Forward DNS for October 2024 done. This month run yielded forward-DNS info for 310,911,855 domains, 56,310,762 mailservers and 3,550,783 nameservers. Check here for the datasets or here for the full dns-export.

2024 Sep 18: Reverse DNS for September 2024 done. Check here for the reverse-dns dataset.

2024 Sep 06: Forward DNS for September 2024 done. This month run yielded forward-DNS info for 309,698,011 domains, 56,372,262 mailservers and 3,556,264 nameservers. Check here for the datasets or here for the full dns-export.

2024 Aug 23: Reverse DNS for August 2024 done. Check here for the reverse-dns dataset.

2024 Aug 06: Forward DNS for August 2024 done. This month run yielded forward-DNS info for 311,049,707 domains, 56,695,558 mailservers and 3,596,550 nameservers. Check here for the datasets or here for the full dns-export.

2024 Jul 06: Forward DNS for July 2024 done. This month run yielded forward-DNS info for 310,890,535 domains, 56,830,908 mailservers and 3,607,693 nameservers. Check here for the datasets or here for the full dns-export.

2024 Jun 30: Reverse DNS for June 2024 done. Check here for the reverse-dns dataset.

2024 Jun 06: Forward DNS for June 2024 done. This month run yielded forward-DNS info for 309,243,490 domains, 56,577,603 mailservers and 3,606,523 nameservers. Check here for the datasets or here for the full dns-export.

2024 May 24: Reverse DNS for May 2024 done. Check here for the reverse-dns dataset.

2024 May 05: Forward DNS for May 2024 done. This month run yielded forward-DNS info for 308,482,265 domains, 56,688,127 mailservers and 3,649,291 nameservers. Check here for the datasets or here for the full dns-export.

2024 Apr 29: Reverse DNS for April 2024 done. Check here for the reverse-dns dataset.

2024 Apr 05: Forward DNS for April 2024 done. This month run yielded forward-DNS info for 308,026,240 domains, 56,752,060 mailservers and 3,651,137 nameservers. Check here for the datasets or here for the full dns-export.

2024 Mar 24: Reverse DNS for March 2024 done. Check here for the reverse-dns dataset.

2024 Mar 05: Forward DNS for March 2024 done. This month run yielded forward-DNS info for 307,460,338 domains, 56,710,816 mailservers and 3,571,756 nameservers. Check here for the datasets or here for the full dns-export.

2024 Feb 23: Reverse DNS for February 2024 done. Check here for the reverse-dns dataset.

2024 Feb 06: The API is operational. For more info about the API: click here

2024 Feb 05: Forward DNS for February 2024 done. This month run yielded forward-DNS info for 295,105,929 domains, 53,245,697 mailservers and 3,483,482 nameservers. Check here for the datasets or here for the full dns-export.