DNS

1.1.1.1

Free public DNS Resolver, which is fast and secure (encrypt your DNS query), provided by Cloudflare. Useful to bypass your internet provider's DNS blocking, prevent DNS query spying, and to block adult & malware content. It can also be used via API. Note: Just a DNS resolver, not a DNS hoster.

https://developers.cloudflare.com/1.1.1.1/

1984.is

Free DNS service with API and lots of other free DNS features included.

https://www.1984.is/product/freedns/

cloudns.net

Free DNS hosting up to 1 domain with 50 records

https://www.cloudns.net/

deSEC

Free DNS hosting with API support, designed with security in mind. Runs on open-source software and is supported by SSE.

https://desec.io

dns.he.net

Free DNS hosting service with Dynamic DNS Support

https://dns.he.net/

dnspod.com

Free DNS hosting.

https://www.dnspod.com/

duckdns.org

Free DDNS with up to 5 domains on the free tier. With configuration guides for various setups.

https://www.duckdns.org/

Dynv6.com

Free DDNS service with API support and management of a lot of dns record types (like CNAME, MX, SPF, SRV, TXT and others).

https://dynv6.com/

freedns.afraid.org

Free DNS hosting. Also, provide free subdomains based on numerous public user contributed domains. Get free subdomains from the "Subdomains" menu after signing up.

https://freedns.afraid.org/

Glauca

Free DNS hosting for up to 3 domains and DNSSEC support

https://docs.glauca.digital/hexdns/

Hetzner

Free DNS hosting from Hetzner with API support.

https://www.hetzner.com/dns-console

huaweicloud.com

Free DNS hosting by Huawei

https://www.huaweicloud.com/intl/en-us/product/dns.html

LocalCert

Free .localcert.net subdomains compatible with public CAs for use with-in private networks

https://localcert.net

luadns.com

Free DNS hosting, three domains, all features with reasonable limits

https://www.luadns.com/

namecheap.com

Free DNS. No limit on the number of domains

https://www.namecheap.com/domains/freedns/

nextdns.io

DNS-based firewall, 300K free queries monthly

https://nextdns.io

noip.at

Free DDNS service without registration, tracking, logging or advertising. No limit to domains.

https://noip.at/

noip

a dynamic DNS service that allows up to 3 hostnames free with confirmation every 30 days

https://www.noip.com/

sslip.io

Free DNS service that when queried with a hostname with an embedded IP address returns that IP address.

https://sslip.io/

zilore.com

Free DNS hosting for 5 domains.

https://zilore.com/en/dns

zoneedit.com

Free DNS hosting with Dynamic DNS Support.

https://www.zoneedit.com/free-dns/

Zonomi

Free DNS hosting service with instant DNS propagation. Free plan: 1 DNS zone (domain name) with up to 10 DNS records.

https://zonomi.com/