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Before ICANN approved of the biz top-level domain in the official DNS root, similar domains of the same name were already in use by alternative DNS roots. This created the possibility of a biz domain pointing to different IP addresses depending on the specific DNS configuration of a client computer.
Simple homographic matching of domain names has resulted in phishing attacks where a domain can appear to be legitimate, but is not. If a X.509v3 certificate is bound to a valid organization's distinguished name within the Directory, then a simple check can be made in regards to the authenticity of the certificate by a comparison with what is ...
The technique outlined in RFC 4470 returns a NSEC record in which the pairs of domains lexically surrounding the requested domain. For example, request for k.example.com would thus result in an NSEC record proving that nothing exists between the (fictitious) domains j.example.com and l.example.com. This is also possible with NSEC3 records. [26]
WOT Services is the developer of MyWOT (also known as WOT and Web of Trust), an online reputation and Internet safety service which shows indicators of trust about existing websites. The confidence level is based both on user ratings and on third-party malware , phishing , scam and spam blacklists . [ 1 ]
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A series of incorrectly issued certificates from 2001 onwards [1] [2] damaged trust in publicly trusted certificate authorities, [3] and accelerated work on various security mechanisms, including Certificate Transparency to track misissuance, HTTP Public Key Pinning and DANE to block misissued certificates on the client side, and CAA to block misissuance on the certificate authority side.
Lookups of IP address allocations are often limited to the larger Classless Inter-Domain Routing (CIDR) blocks (e.g., /24, /22, /16), because usually only the regional Internet registries (RIRs) and domain registrars run RWhois or WHOIS servers, although RWhois is intended to be run by even smaller local Internet registries, to provide more ...
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