porttest.dns-oarc.net -- Check your resolver's source port behavior | DNS-OARC
2023-06-01: This service has been deprecated in favor of Check My DNS. The announcement in Jul 2008 of CERT VU#800113 made it clear that resolvers should use random source source ports when sending queries. Here at OARC, we crafted a special DNS name and server that you can query to learn whether or not your own resolver is using random ports. Use a DNS query tool such as dig to ask for the TXT re
Internet Assigned Numbers Authority
The global coordination of the DNS Root, IP addressing, and other Internet protocol resources is performed as the Internet Assigned Numbers Authority (IANA) functions. Learn more. Domain Names Management of the DNS Root Zone (assignments of ccTLDs and gTLDs) along with other functions such as the .int and .arpa zones. Root Zone Management Database of Top Level Domains .int Registry .arpa Registry
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Squishywishywoo: complete dns traversal checking
