DNSCAP - DNS traffic capture utility | DNS-OARC
dnscap is a network capture utility designed specifically for DNS traffic. It produces binary data in pcap(3) format. This utility is similar to tcpdump(1), but has a number of features tailored to DNS transactions and protocol options. OARC uses dnscap for DITL data collections. Some of its features include: Understands both IPv4 and IPv6 Captures UDP, TCP, and IP fragments. Collect only queries,
Web-based DNS Randomness Test
2023-06-01: This service has been deprecated in favor of Check My DNS. US-CERT's Vulnerability Note VU#800113 describes deficiencies in the DNS protocol and implementations that can facilitate cache poisoning attacks. The answers from a poisoned nameserver cannot be trusted. You may be redirected to malicious web sites that will try to steal your identity or infect your computers with malware. Wor
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