untangling_the_web

DID: 4046925
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Domain Dossier
http://centralops.net/co/DomainDossier.vbs.asQ
Special Features: searches across all the network Whois Registries. shows DNS
records, and performs service scan from one query. Domain Dossier now supports
internationalized domain names (IONs).
Domain Dossier is one of the best lookup tools for a fast, thorough search of the
three major network Whois Registries (ARIN, RIPE, APNIC). Domain Dossier
also automatically searches the InterNIC and Open SRS domain Whois records,
provides DNS records (name servers, mail exchanges, etc.), and performs a
service scan, which shows the status of FTP, SMTP, HTTP, POP3, and NNTP
Ports.
Domainsearch
http://www.domainsearch.com/
Special feature: search domain name against many combinations of TLDs. including
many second-level domains.
The advantage of Domainsearch.com is that it allows you to check a domain
name's registration against many available extensions at once. You enter a
domain name without any extension into the search box, then select the
extensions you want to search using the CTRL key for multiple selections.
Domainsearch includes not only TLDs (e.g., .au) but also many second-level
domains, (e.g., com.au). If a name is registered, it will appear with a small "i"
inside a blue circle; clicking on the "i" brings up the Whois data for that domain
name. Not all TLDs are listed as extensions.
CheckDNS
http://www.checkdns.netlquickcheckdomainf.aspx
Special feature: generates the most detailed domain report available for free on the
web.
CheckDNS.NET can check DNS delegation, mail and web servers for any
domain. The detailed report that is generated is, I believe, unique among the
various Whois tools available for free:
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