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Published directory entries matching your search.
A DNS speed benchmarking tool that performs an A record lookup for the apex domain name from more than 200 locations worldwide. The lookup time serves as a benchmark of DNS provider performance in different regions and allows debugging of self-hosted DNS servers and testing of routing logic. Test result retention is up to 30 days.
DNSWatch offers DNS lookup and reverse DNS lookup tools with exact performance measuring and DNS server monitoring. It also provides RBL email blacklist lookup and IP location lookup. Paid products include DNS performance monitoring starting at $1 per month, mailserver blacklist monitoring starting at $3.5 per month, and a DNS changetracker starting at $7.9 per month. The site is free to use with ads.
WhatsMyDNS is a free online tool for performing DNS lookups against nameservers in many countries. It displays results on a map so users can check DNS propagation for a domain's IP address and DNS record information. The site says it maintains a range of DNS servers for lookups and parses the results for display.
DNSPerf compares the speed and uptime of enterprise and commercial DNS services. It lists DNS providers sorted by DNSPerf rank based on data for the last 30 days, calculated using 40% performance, 45% uptime and 15% quality.
IANA performs the global coordination of the DNS Root, IP addressing, and other Internet protocol resources. It manages the DNS Root Zone, the .int and .arpa registries, and the IDN Practices Repository, and coordinates global IP and AS number spaces. It also maintains protocol name and number registries and a time zone database.
Pingdom's free Website Speed Test analyzes a webpage's load time and identifies bottlenecks. A full page test breaks requests into stages such as DNS lookup, SSL handshake, connect, send, wait, receive and blocked, and flags redirects and 4xx or 5xx responses. Pingdom also offers uptime and performance monitoring from more than 70 global polling locations.
BrowserLeaks is a suite of browser-based tools that test browser security and privacy. The tests identify ways websites may reveal a real IP address, collect device information and perform browser fingerprinting. Tools include IP address display, reverse IP lookup, HTTP header, country, ISP and local time checks, plus WebRTC, DNS and IPv6 leak tests. A Features Detection tool lists HTML5 feature support.
