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Property:DNS

From BoxMatrix

BoxMatrix >> Lexicon >> Network-Protocols >> DNS @ BoxMatrix   -   IRC-Chat   -   Translate: de es fr it nl pl
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Protocol

Protocol: DNS Wiki Freetz IPPF whmf AVM Web
Short for: Domain Name System
Location: Lexicon >> Network-Protocols
Weblinks: Wikipedia.int  -  Wikipedia.de   -  RFC-1034   -  RFC-1035
Description: Lookup the IP address(es) of a host name

Goto:   Public-DNS  -  FRITZ!OS   -   Upstream-DNS  -  VoIP-DNS  -  BoxMatrix  -  SMW-Browser

Details

DNS is a distributed lookup system to map a host name to one or more IP addresses.
It is one of the most important services in the net and uses Port-53-udp and Port-53-tcp.

All services which access a remote machine by hostname rely on DNS (introduced 1983, extended 1987).
This renders DNS to one of the biggest security risks in internet usage, that's why the security extensions
TSIG, DNSSEC, DoT, DoH and DoQ were added later.

Responding a wrong answer to a DNS request is called DNS-Hijacking.

Public-DNS

Here some public DNS resolvers which everyone could use:

Cloudflare DNS - USA
  • 1.1.1.1
  • 1.0.0.1
  • 2606:4700:4700::1111
  • 2606:4700:4700::1001
Google DNS - USA
  • 8.8.8.8
  • 8.8.4.4
  • 2001:4860:4860::8888
  • 2001:4860:4860::8844
Quad9 DNS - Switzerland
  • 9.9.9.9
  • 149.112.112.112
  • 2620:fe::fe
  • 2620:fe::9

See also European public DNS resolvers and public DoT servers.

FRITZ!OS

In FRITZ!OS DNS is served to the LAN by multid (routers) or rextd (repeaters) which act as a DNS proxy, adding local
hostnames like fritz.box and the hostname in CONFIG_HOSTNAME plus all hosts in the LAN as subdomains of these.
See also the TLD article collecting fake domains and TLDs used by AVM.

Further services to lookup hosts in FRITZ!OS are mDNS, LLMNR, NetBIOS and SSDP.

Upstream-DNS

Upstream-DNS (DNS servers in the internet) could be configured in the Webinterface in the
Internet >> Account Information (german: Zugangsdaten) >> DNS-Server tab.

Here you can optionally configure IPv4 and IPv6 DNS servers different to those your ISP provides.
Configuring Public-DNS servers here may be used to defeat DNS-Hijacking and Censorship.
By default Public-DNS servers are used if configured or ISP provided servers fail. This could be disabled.

Since fw 7.59 there's a new option to send ECID client identification EDNS0 queries, which is disabled by default.

VoIP-DNS

VoIP can have a separate PVC or VLAN with own DNS servers, which are not user configurable.
To make these servers accessible from the LAN voipd additionally serves Port-7077-udp.
This is used by IP-Clients and Mesh-Repeaters in the LAN to reach the VoIP DNS servers.

BoxMatrix

whois at 2022-10-05 morning (pending transfer): 

me@boxmatrix:~$ whois boxmatrix.info

Domain Name: boxmatrix.info
Registry Domain ID: 5cd0609c20ef4dc1a8da3953bf27b5fe-DONUTS
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: https://www.namecheap.com/
Updated Date: 2022-10-05T09:30:08Z
Creation Date: 2014-10-19T21:11:38Z
Registry Expiry Date: 2022-10-19T21:11:38Z
Registrar: NameCheap, Inc.
Registrar IANA ID: 1068
Registrar Abuse Contact Email: abuse@namecheap.com
Registrar Abuse Contact Phone: +1.9854014545
Domain Status: pendingTransfer https://icann.org/epp#pendingTransfer
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Privacy service provided by Withheld for Privacy ehf
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: Capital Region
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: IS
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: dns1.registrar-servers.com
Name Server: dns2.registrar-servers.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2022-10-05T09:37:01Z <<<

whois at 2022-10-05 afternoon (transfer complete): 

me@boxmatrix:~$ whois boxmatrix.info

Domain Name: boxmatrix.info
Registry Domain ID: 5cd0609c20ef4dc1a8da3953bf27b5fe-DONUTS
Registrar WHOIS Server: whois.rrpproxy.net
Registrar URL: http://key-systems.net
Updated Date: 2022-10-05T11:29:12Z
Creation Date: 2014-10-19T21:11:38Z
Registry Expiry Date: 2023-10-19T21:11:38Z
Registrar: Key-Systems GmbH
Registrar IANA ID: 269
Registrar Abuse Contact Email: abuse@key-systems.net
Registrar Abuse Contact Phone: +49 6894 9396 850
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: transferPeriod https://icann.org/epp#transferPeriod
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: 
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: Niedersachsen
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: DE
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: ns3.domaindiscount24.net
Name Server: ns1.domaindiscount24.net
Name Server: ns2.domaindiscount24.net
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2022-10-05T11:36:42Z <<<

SMW-Browser

Property:DNS
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