List of free DNS services

I update the 4-year list of free domain management services

Primary + Secondary

Service	Quantity NS	Number of domains	Types of records	TTL	Add. features
pdd.yandex.ru	2	50	AAAA and SRV	+	There is an API
cloudflare.com	2	unlimited	AAAA, SRV, SPF, LOC	+
2ns.info	four	unlimited	AAAA and SRV	+	There is an export. Shows the registrar, the date of registration of the domain, the date of completion of registration, TCI. By leonid239
dns.he.net	five	50	everything	+	NS available over IPv6. Own DDNS service
www.netbreeze.net/dns	3	one	AAAA and SRV	+	There is an API
entrydns.net	3	unlimited	AAAA and SRV	+	There is a DDNS service, REST-api
www.dnsever.com	3	unlimited	AAAA and SRV.	+	Have your own DDNS service
www.cloudns.net	four	3	AAAA, SRV and RP	+	There is an API. NS available over IPv6, import / export in BIND9 and TinyDNS-format
freedns.afraid.org	four	20 records for each domain	AAAA, SRV, LOC, RP, HINFO	+	NS available over IPv6
www.division120.com	four	unlimited	AAAA	+
www.dnspod.com	3	unlimited	AAAA and SRV	+	There is an API
www.4freedns.net	?	five	AAAA	?
enabledns.com	four	five	AAAA	+
www.geoscaling.com	five	unlimited	everything	+	BIND9 import
system-ns.com	2	five	AAAA and SRV	+	Import BIND9 and via AXFR. There are all sorts of social networks and an Android client.
www.pointhq.com	five	1 domain, 10 records	AAAA, SRV, SSHFP, ALIAS	+	Import BIND9. Draws beautiful graphics, considers statistics
www.sitelutions.com	five	unlimited	AAAA and SRV	+
www.luadns.com	3 domains, 30 records	?	?		After 50,000 requests per month, they will be asked to switch to the paid rate. Records management via git (!) And configuration on lua (!!). Amazon Route 53 support.
dozens.jp	four	unlimited, total 12 records	AAAA and SRV	+	There is an API. Most of the interface is in Japanese.
ypdns.com	one	ten	AAAA and SRV	+	Half-dead-half-dead service, and once was good. NS-servers 5, but only 1 works.
prosto.name	2	unlimited	only standard	+
freedns.ws	2	unlimited	AAAA and SRV	+	Public domains
www.xname.org	3	unlimited	AAAA	+
www.netangels.ru	2	unlimited	Srv	+	There is an API

Secondary Only

2ns.info - 4 NS servers, unlimited number of domains. Shows the registrar, the date of registration of the domain, the date of completion of registration, TCI. Supports AAAA and SRV.
dns.he.net - 5 NS servers, 50 domains. NS available over IPv6. Supports all types of records. You can set your TTL.
freedns.afraid.org - Unlimited Domains, 20 subdomains for each domain. NS available over IPv6. Supports AAAA, SRV, LOC, RP, HINFO. NS available over IPv6.
www.twisted4life.com
puck.nether.net
system-ns.com - 2 NS servers, 10 domains. Import BIND9 and via AXFR. Supports AAAA and SRV. You can set your TTL. There are all sorts of social networks and an Android client.
acc.rollernet.us
secondary.net.ua
ns2.trifle.net
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script88 redid the list in markdown and uploaded it on github:
github.com/wavedocs/freedns