Best DNS: The Best Free DNS Servers
167.88.120.178
168.235.69.200
208.67.222.222
208.67.220.220
209.244.0.3
209.244.0.4
156.154.70.1
156.154.71.1
4.2.2.1
4.2.2.2
208.76.50.50
208.76.51.51
0209.244.0.3
209.244.0.4
8.8.8.8
8.8.4.4
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DNS.WATCH3 84.200.69.80 84.200.70.40
Comodo Secure DNS 8.26.56.26 8.20.247.20
OpenDNS Home4 208.67.222.222 208.67.220.220
DNS Advantage 156.154.70.1 156.154.71.1
Norton ConnectSafe5 199.85.126.10 199.85.127.10
GreenTeamDNS6 81.218.119.11 209.88.198.133
SafeDNS7 195.46.39.39 195.46.39.40
OpenNIC8 107.150.40.234 50.116.23.211
SmartViper 208.76.50.50 208.76.51.51
Dyn 216.146.35.35 216.146.36.36
FreeDNS9 37.235.1.174 37.235.1.177
censurfridns.dk10 89.233.43.71 91.239.100.100
Hurricane Electric11 74.82.42.42
puntCAT12 109.69.8.51
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IPv4 / IPv6 address Hostname Location Software / Version Reliability
218.62.2.228 228.2.62.218.adsl-pool.jlccptt.net.cn. China, Changchun 55%
59.24.145.124 Korea, Republic of dnsmasq 2:40 98%
183 136 160 198 China, Hangzhou 88%
59.1.145.141 Korea, Republic of Cyber World Leader Kornet! 91%
59.27.117.28 Korea, Republic of dnsmasq 2:38 100%
209 222 239 123 Canada, Sherbrooke dnsmasq 2:40 98%
65.161.233.70 ns2.cdparena.com. United States 81%
217 174 248 125 server217-174-248-125.live-servers.net. United Kingdom, London 100%
103.7.231.29 Indonesia, Jakarta 59%
59.11.31.179 Korea, Republic of dnsmasq 2:40 90%
222.98.232.211 Korea, Republic of Cyber World Leader Kornet! 91%
190 121 151 177 190121151177.ip14.static.mediacommerce.com.co. Colombia, Pereira 95%
65170128102 mail.sl-tech.net. United States 100%
175 199 102 240 Korea, Republic of Unknown 83%
177.52.250.144 host-177-52-250-144.ipwave.com.br. Brazil Microsoft DNS 6.1.7601 (1DB14556) 100%
IPv4
↓ IPv6
↓ Seitenfilter
↓ Anbieter
↓ Hoheitsgebiet
↓
85.214.73.63 nein FoeBuD e.V. Deutschland
87.118.100.175 nein German Privacy Foundation e.V. Deutschland
94.75.228.29 nein German Privacy Foundation e.V. Deutschland
85.25.251.254 nein German Privacy Foundation e.V. Deutschland
62.141.58.13 nein German Privacy Foundation e.V. Deutschland
213.73.91.35 nein Chaos Computer Club Berlin Deutschland
212.82.225.7 nein ClaraNet Deutschland
212.82.226.212 nein ClaraNet Deutschland
208.67.222.222 nur bösartige OpenDNS USA
208.67.220.220 nur bösartige OpenDNS USA
58.6.115.42 nein OpenNIC Australien
58.6.115.43 nein OpenNIC Australien
119.31.230.42 nein OpenNIC Australien
200.252.98.162 nein OpenNIC Brasilien
217.79.186.148 nein OpenNIC Deutschland
81.89.98.6 nein OpenNIC Deutschland
78.159.101.37 nein OpenNIC Deutschland
203.167.220.153 nein OpenNIC Neuseeland
82.229.244.191 nein OpenNIC Frankreich
82.229.244.191 nein OpenNIC Tschechien
216.87.84.211 nein OpenNIC USA
2001:470:8388:2:20e:2eff:fe63:d4a9 nein OpenNIC USA
2001:470:1f07:38b::1 nein OpenNIC USA
66.244.95.20 nein OpenNIC USA
2001:470:1f10:c6::2 nein OpenNIC USA
207.192.69.155 nein OpenNIC USA
72.14.189.120 nein OpenNIC USA
156.154.70.1 nur bösartige DNS Advantage USA
156.154.71.1 nur bösartige DNS Advantage USA
156.154.70.22 nur bösartige Comodo Secure DNS USA
156.154.71.22 nur bösartige Comodo Secure DNS USA
194.145.226.26 nein PowerNS Deutschland
77.220.232.44 nein PowerNS Deutschland
78.46.89.147 nein ValiDOM Deutschland
88.198.75.145 nein ValiDOM Deutschland
216.129.251.13 nein JSC Marketing USA
66.109.128.213 nein JSC Marketing USA
171.70.168.183 nein Cisco Systems USA
171.69.2.133 nein Cisco Systems USA
128.107.241.185 nein Cisco Systems USA
64.102.255.44 nein Cisco Systems USA
85.25.149.144 nein DNSBOX Deutschland
87.106.37.196 nein DNSBOX Deutschland
209.59.210.167 nein Christoph Hochstätter USA
85.214.117.11 nein Christoph Hochstätter Deutschland
83.243.5.253 2a01:198:16::5253 nein privat Deutschland
88.198.130.211 nein privat Deutschland
92.241.164.86 nein privat (i-root.cesidio.net, cesidio root included) Rußland
85.10.211.244 nein privat Deutschland
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The Domain Name System (DNS) is a hierarchical distributed naming system for some resource, services, or computers on a private network or the web. It links domain names assigned to all the participating things and various advice. Most conspicuously, it interprets domain names, which people can easily memorize, to the numeric IP addresses required for the goal of apparatus and computer services world-wide. The Domain Name System is a critical part of most Internet services‘ functionality as it’s the primary directory service of the Internet.
The Domain Name System spreads the duty of assigning domain names by designating authorized name servers for every domain name and mapping those names. Authorized name servers are delegated to lead to their domain names that were supported, and could delegate power over sub domains to other name servers. This mechanism supplies distributed and fault tolerant service and was made to prevent the dependence on a principal database that is single.
The Domain Name System additionally defines the technical functionality which will be at its heart. It defines the DNS protocol, a comprehensive specification of data communication exchanges and the data structures used in DNS, within the Internet Protocol Suite. Historically, other directory services preceding DNS are not scalable to big or global directories as they were initially according to text files, conspicuously the HOSTS.TXT resolver. DNS continues to be in extensive use.
The web keeps two principal namespaces, the domain name hierarchy[1] as well as the Internet Protocol (IP) address spaces.[2] The Domain Name System keeps the domain name hierarchy and offers translation services between it as well as the address spaces. Internet name servers and a communication protocol execute the Domain Name System.[3] A DNS name server is a server that stores the DNS records to get a website name; a DNS name server reacts with responses to queries against its database.
The most frequent forms of records saved in the DNS database are those coping with a DNS zone’s ability power (SOA), IP addresses (A and AAAA), SMTP mail exchangers (MX), name servers (NS), pointers for reverse DNS lookups (PTR), and domain name aliases (CNAME). Although not meant to be a general purpose database, DNS can save records for other kinds of data for either automatic machine lookups for things or for human queries like responsible individual (RP) records. To get an entire listing of DNS record types, start to see the set of DNS record types. DNS has additionally seen use in fighting unsolicited e-mail (junk) by employing a realtime blackhole list saved in a DNS database. For general purpose uses or whether for Internet naming, the DNS database is kept in a zone file that was ordered.
Function
An often-used analogy to spell out the Domain Name System is the fact that it functions as the telephone book by interpreting individual-friendly computer hostnames. As an example , the domain name www.example.com translates to the addresses 93.184.216.119 (IPv4) and 2606:2800:220:6d:26bf:1447:1097:aa7 (IPv6). Unlike a phone book, the DNS could be instantly upgraded, enabling the place on the network to alter without changing the end users, who continue to make use of the exact same host name of a service. Users benefit from this when they use significant Uniform Resource Locators (URLs), without needing to understand how the services are really located by the computer and e-mail addresses.
History
Using a more straightforward, more memorable name in place of the numeric address of a host goes back to the ARPANET age. The Stanford Research Institute (now SRI International) kept a text file named HOSTS.TXT that mapped host names to the numeric addresses of computers on the ARPANET. Host operators got copies of the master file.[4][5] The rapid growth of the emerging network needed an automated system for keeping the host names and addresses.
The Domain Name System was designed by Paul Mockapetris in 1983 in the University of California, Irvine, and composed the initial execution from UCLA in the request. The Internet Engineering Task Force released the first specifications in RFC 882 and RFC 883 in November 1983, for naming Internet hosts, that have stayed the standard.[citation needed]
In 1984, four UC Berkeley pupils–Douglas Terry, Mark Painter, David Riggle, and Songnian Zhou–wrote the initial Unix name server execution, called the Berkeley Internet Name Domain (BIND) Server.[6] In 1985, Kevin Dunlap of DEC significantly revised the DNS implementation. Mike Karels, Phil Almquist, and Paul Vixie have maintained BIND since then.[7] BIND was ported to the Windows NT platform in the early 1990s. BIND was widely distributed, particularly and is the most commonly used DNS applications online.[7]
In November 1987, RFC 1034[1] and RFC 1035[3] superseded the 1983 DNS specifications. Several added Request for Opinions have proposed extensions to the central DNS protocols.
Security problems
Initially, security concerns are not important design factors for DNS software or some applications for deployment on the Internet that is first, as the network had not been open for involvement from the public. But the growth of the world wide web to the commercial sector altered the conditions for security measures.
Malicious users found and used several susceptibility problems. One problem is DNS cache poisoning, where data is dispersed to caching resolvers under the pretense of being a source server that is important, thus polluting the data store with long expiration times and possibly bogus information (time to live). Later, valid program requests could be redirected to network hosts controlled with malicious purpose.
DNS answers are not signed, leading to many strike possibilities; the Domain Name System Security Extensions (DNSSEC) change DNS to include support for answers that are signed. DNSCurve continues to be suggested instead to DNSSEC. Other extensions, for example TSIG, add support for cryptographic authentication between peers that are trusted and can be used to authorize dynamic update operations or zone transport.
Some domain names can be utilized to attain effects that were spoofing. As an example, paypal.com and paypa1.com are different names, yet users might not be able differentiate them in a graphical user interface according to an individual ‚s preferred typeface. In several fonts the numeral 1 as well as the letter l appear even indistinguishable or quite similar. This issue is critical in systems that support internationalized domain names, since many character codes may seem indistinguishable on computer screens that are typical. This susceptibility is sometimes used [19]
Techniques including forward-confirmed reverse DNS may also be utilized to validate DNS results.
Domain name registration
The privilege to make use of a site name is delegated by domain name registrars which are accredited by the Internet Corporation for Assigned Names and Numbers (ICANN) or other organizations like OpenNIC, which are charged with supervising number systems and the name of the world wide web. As well as ICANN, each top-level domain (TLD) serviced and is kept by an administrative organization, running a registry. There is a registry responsible for keeping the database of names registered within the TLD it manages. The registry releases the advice using the WHOIS protocol a particular service, and receives enrollment information from every domain name registrar authorized to assign names in the accompanying TLD.
ICANN releases the entire list of domain name registrars and TLD registries. Registrant advice related to domain names is kept in a web-based database reachable with the WHOIS service. For most of the more than 290 country code top-level domains (ccTLDs), the domain registries keep the WHOIS (Registrant, name servers, expiration dates, etc.) advice. For example, DENIC, Germany NIC, holds the DE domain name data. Since about 2001, most gTLD (Generic top-level domain) registries have embraced this so called thick registry strategy, i.e. keeping the WHOIS data in essential registries instead of registrar databases.
For NET domain names and COM, there is a thin registry version used. The domain registry (e.g., VeriSign) holds essential WHOIS data (i.e., registrar and name servers, etc.) You can discover the detailed WHOIS (registrant, name servers, expiry dates, etc.) at the registrars.
Some domain name registries, frequently called network information centres (NIC), additionally function to end users as registrars. The leading generic top-level domain registries, for example for the domains COM, NET, ORG, INFORMATION, make use of a registry-registrar model comprising many domain name registrars.[20][21] In this approach to control, the registry simply handles the domain name database as well as the relationship with all the registrars. The registrants (users) are customers in certain situations through added levels of resellers.
