1
iana
iana.orgAlso covers dns lookup and domain ip dns · same kind of website
IANA manages DNS root zone assignments and other internet numbering and protocol registries.
Alternatives
The Best LeakIX Alternatives in 2026
24 alternatives1 free · 1 open source
Looking for something like LeakIX? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 1 are open source.
LeakIX searches exposed internet services and databases by query terms such as ports, protocols, and IP addresses.
Top picks at a glance
First suggestionianaIANA manages DNS root zone assignments and other internet…Free or freemium optionCloudflare DNSCloudflare DNS provides public DNS resolution and…Open source optionmetabigormetabigor collects open source intelligence about internet…Another optionarinARIN administers IP addresses and autonomous system numbers…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | iana | — | Not stated | Web |
| 2 | arin | — | Not stated | Web |
| 3 | GreyNoise Intelligence | — | Not stated | Web |
| 4 | AFRINIC | — | Not stated | Web |
| 5 | apnic | — | Not stated | Web |
| 6 | lacnic | — | Not stated | Web |
| 7 | Google Transparency Report | — | Not stated | Web |
| 8 | Netlas: | — | Not stated | Web, Windows |
| 9 | Pyfunceble | — | Not stated | Web |
| 10 | InstantDomain | — | Not stated | Web |
All LeakIX alternatives
2
arin
arin.netAlso covers dns lookup and domain ip dns · same kind of website
ARIN administers IP addresses and autonomous system numbers for internet operations in its region.
3
GreyNoise Intelligence
greynoise.io/vizAlso covers dns lookup and domain ip dns
GreyNoise Intelligence analyzes untargeted internet scanning and provides context about IP addresses seen probing networks.
4
AFRINIC
afrinic.netAlso covers dns lookup and domain ip dns · same kind of website
AFRINIC allocates and manages IP addresses and autonomous system numbers for Africa.
5
apnic
apnic.netAlso covers dns lookup and domain ip dns · same kind of website
APNIC administers internet number resources for the Asia Pacific region.
6
lacnic
lacnic.netAlso covers dns lookup and domain ip dns · same kind of website
LACNIC manages IP addresses and autonomous system numbers for Latin America and the Caribbean.
7
Also covers dns lookup and domain ip dns · same kind of website
Google Transparency Report publishes data about requests and activity affecting Google services.
8
Netlas:
netlas.ioAlso covers dns lookup and domain ip dns
Netlas provides search tools for internet infrastructure, including DNS, WHOIS, and IP lookups.
9
Pyfunceble
pyfunceble.github.ioAlso covers dns lookup and domain ip dns
PyFunceble checks whether domains, IP addresses, and URLs are available or syntactically valid.
10
InstantDomain
instantdomainsearch.comAlso covers dns lookup and domain ip dns · same kind of website
Search domain names and check availability across more than 800 extensions with InstantDomain.
11
IP search - Network Entity Reputation Database
nerd.cesnet.cz/nerd/ipsAlso covers dns lookup and domain ip dns · same kind of website
Network Entity Reputation Database lets users search IP details and reputation information through its interface.
12
DNS Jumper
sordum.org/7952/dns-jumper-v2-3Also covers dns lookup and domain ip dns · same kind of website
Change DNS servers on Windows with DNS Jumper, a free portable utility with IPv6 support.
13
DNSecure
apps.apple.com/en/app/dnsecure/id1533413232Also covers dns lookup and domain ip dns · same kind of website
Manage encrypted DNS configurations on iOS with DNSecure, an App Store utility.
14
YogaDNS
yogadns.comAlso covers dns lookup and domain ip dns · same kind of website
Intercept system DNS requests on Windows and configure resolvers with YogaDNS.
15
redirect.name
redirect.nameAlso covers dns lookup and domain ip dns · same kind of website
Set up DNS-based URL redirects with redirect.name using DNS records, without a server or dashboard.
16
IPIP.NET
whois.ipip.netAlso covers dns lookup and domain ip dns · same kind of website
Explore autonomous system and IP address allocation statistics by country or region on IPIP.NET.
17
IANA — Root Zone Database
iana.org/domains/root/dbAlso covers dns lookup and domain ip dns · same kind of website
IANA Root Zone Database lists delegation details for top-level domains in the DNS root.
18
DNS Providers
adguard-dns.io/kb/general/dns-providersAlso covers dns lookup and domain ip dns · same kind of website
Browse trusted DNS providers listed in AdGuard’s knowledge base for use with its products.
19
Mullvad DNS
mullvad.net/en/help/dns-over-https-and-dns-ove…Also covers dns lookup and domain ip dns · same kind of website
Configure encrypted DNS with Mullvad’s public DoH and DoT service, scheduled to end on November 2, 2026.
20
Domain Tools
whois.domaintools.comAlso covers dns lookup and domain ip dns · same kind of website
DomainTools provides WHOIS lookups, domain availability searches, IP history, traffic data, and other domain research information.
21
Also covers dns lookup and domain ip dns · open source
metabigor collects open source intelligence about internet assets without requiring API keys for its workflow.
22
Also covers dns lookup and domain ip dns · free
Cloudflare DNS provides public DNS resolution and authoritative DNS services.
23
Domainr
domainr.comAlso covers dns lookup and domain ip dns
Domainr searches domain names and provides an API covering top-level domains.
24
Website search tool
aware-online.com/en/osint-tools/website-search…Also covers dns lookup and domain ip dns
Website search tool provides OSINT utilities for investigating a website and its associated infrastructure.
No alternatives match this filter.
Alternatives to similar tools
Google Transparency Report24 alternativesCloudflare DNS24 alternativesDNSecure24 alternativesDNS Jumper24 alternativesMullvad DNS24 alternativesNetlas:24 alternatives
What is the best alternative to LeakIX?
Based on features, tags and platforms, the closest alternatives to LeakIX are iana, arin, and GreyNoise Intelligence.
Is there a free alternative to LeakIX?
Yes. Cloudflare DNS is free or offer a free plan.
Are there open-source alternatives to LeakIX?
Yes: metabigor.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative