Alternatives and competitors

Sites like NIC.IO

The 20 closest domain name registry alternatives to NIC.IO, ranked by what they actually offer, and the 4 technologies behind it.

Looking for an alternative to NIC.IO? The closest matches are Registry, PT and com.com. We match sites by what they actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Vote on each alternative and leave a short note to help the next person choose.

Neighbours: k = 20
Sites searched: 4,032
Vector: 384-d
Query: 14 ms

01 · Entity

About NIC.IO

NIC.IO nic.io

NIC.IO - The Official .IO Domain Registry and Network Information Centre

Wikidata: Internet country-code top level domain for the British Indian Ocean Territory

Top 10K · #3,097 English 4 technologies Crawled Nov 6, 2026

Visit NIC.IO

Summary by Claude

Official registry site for the .io country-code top-level domain, offering domain search, registration and account management for .io domain names open to registrants worldwide.

Who it’s for: Technology startups and website owners
Business model: Domain registration fees

02 · Embedding space

Competitor map

Each alternative by how close its vector is to NIC.IO’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

similarity × popularity

03 · Nearest neighbours

Alternatives to NIC.IO

Thumbs up if it’s a real alternative to NIC.IO, thumbs down if it isn’t.

Only in English

01
Registry registry.in Top 10K English

Registry

internet country code top-level domain for India
Very close cos 0.948
02
com.com Top 10K English

.xyz Domain Names | Join Generation XYZ

For every website, everywhere®
Very close cos 0.914
03
Register.com register.com Top 10K English

Cloudflare Captcha Page | Register.com

American domain name registrar
Very close cos 0.916
04
Dynadot dynadot.com Top 10K English

Register, Buy & Manage Domain Names Online | Dynadot

Search 800+ domain extensions, register names at transparent prices, and manage DNS, privacy, email, transfers, renewals, and domain portfolios in Dynadot.
Very close cos 0.916
05
UK.COM uk.com Top 1K English

UK.COM | A Powerful Domain for the United Kingdom

Strengthen your online presence in the UK with .UK.COM — an open and globally recognized domain. No registration restrictions, just premium name availability. Secure yours now!
Very close cos 0.909
06
EU.COM eu.com Top 10K English

EU.COM | The Smart Domain Choice for Expanding into Europe

Establish your footprint in Europe with .EU.COM — an unrestricted, globally accessible domain. No residency barriers, just premium availability for businesses and brands. Claim yours today!
Very close cos 0.908
07
EuroDNS eurodns.com Top 10K English

EuroDNS: Domains, Hosting & Web Essentials All In One Place

Find a domain, launch your website, and make it happen with us! From hosting, to SSL, to branded email: EuroDNS has everything you need in one place.
Very close cos 0.907
08
ICANN icann.org Top 10K English

Internet Corporation for Assigned Names and Numbers (ICANN)

ICANN’s mission is to help ensure a stable, secure, and unified global Internet.
Very close cos 0.905
09
register.it Top 10K English

Internet domain name registration at Register.it | Domain hosting

Register.it offers internet domain registration, renewals and domain name transfers. With every domain: free web hosting, webmail and unlimited disk space.
Very close cos 0.906
10
Ionos ionos.com Top 10K English

IONOS » Hosting Provider | Websites. Domains. Server.

IONOS, your digital partner for cloud solutions and web hosting, supporting your needs from websites, domains, servers, and more.
Very close cos 0.903
11
Registry charlestonroadregistry.com Top 10K English

Expanding the online frontier | Google Registry

More and more people make websites every day, but not everyone knows how to stay safe and secure online. Learn what you need to be aware of to keep your data safe online.
Very close cos 0.899
12
Pananames pananames.com Top 10K English

Domain Registration - Register domain name at Pananames

Search and registration of domain names in many different TLDs. Register your domain name today!
Very close cos 0.900
13
DonDominio dondominio.com Top 10K English

DonDominio | Your Domain, Web Hosting, Email and SSL Certificates provider

All you need to build up your website: Domain names, Web Hosting / Email accounts and SSL certificates. Build up your website now!
Very close cos 0.902
14
CN.COM cn.com Top 10K English

.CN.COM | The Unrestricted Domain for Engaging with China

Grow your online presence in China with .CN.COM — an open and globally recognized domain. No compliance hurdles, just seamless access to one of the world’s biggest digital economies. Register now!
Very close cos 0.899
15
DE.COM de.com Top 10K English

.DE.COM | A Global Domain for Businesses in Germany

Expand into Germany’s thriving digital market with .DE.COM. No local presence required — just premium, unrestricted domain availability for businesses and startups. Get started today!
Very close cos 0.897
16
directnic.com Top 10K English

Directnic.com-Get a FREE Domain with any annual Hosting Plan

Directnic makes registering Domain Names fast, simple, and affordable. Find out why so many business owners chose Directnic to be their Domain Name Registrar.
Very close cos 0.896
17
DOI.org query endpoint doi.org Top 1K English

Home Page

API endpoint
Close cos 0.894
18
U.S us.com Top 10K English

US.COM | The Premium Global Domain for the U.S. Market

Position your business in the United States with .US.COM — an unrestricted, globally accessible domain. No residency requirements, just premium name opportunities. Register today!
Very close cos 0.895
19
GB.NET gb.net Top 10K English

.GB.NET | A Professional Domain for Great Britain

Establish your brand in Great Britain with .GB.NET—an unrestricted, globally accessible domain. Premium availability, British relevance, and no limits. Get your .GB.NET today!
Very close cos 0.895
20
easyDNS easydns.com Top 10K English

easyDNS - DNS, Domains, Web and Email Hosting Since 1998

The DNS Professionals: Anycast, Dynamic DNS, Enterprise DNS, Secondary DNS with TSIG, DNSSEC. We also offer web hosting, email and VPS. Amazing Support.
Very close cos 0.894

Ranked by score: the cosine similarity of each site’s vector to nic.io’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones NIC.IO uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What NIC.IO is built with, and what its closest competitors use, from its homepage’s code and its DNS records.

Built with

CSS & UI: Font Awesome asset https://nic.io/css/fonts/font-awesome-micro.css.m.css?20201230045454
Web servers: nginx header server: nginx
Email hosting: Google Workspace MX aspmx.l.google.com
SaaS tools (verified in DNS): Google Search Console TXT google-site-verification=jbmKV4nd_r0o8cK2x4TlLRQ6eShNaZohqN7j5F7h3pA

Stack changes

No changes yet. Each new crawl is compared with the last one, and what NIC.IO adds or drops shows up here.

What competitors use

Across the 20 closest sites.