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The program follows links to other pages, and checks the links on those pages also, so it is possible to check an entire site for broken links in one session. Xenu displays a continuously updated list of URLs which can be sorted according to different criteria. [ 2 ]
The main features (query tools) were: Zone Transfer – ask a DNS server for all it knows about a domain; SMTP Relay Check – check whether a mail server allows third party relaying; Scan Addresses – scan a range of IP addresses looking for open ports; Crawl website – search a website, looking for email addresses, offsite links, etc.
In 2018, F. Mazzanti and A. Ferrari published a comparison of ten model checkers (namely: CADP, CPN Tools, FDR4, NuSMV/nuXmv, mCRL2, ProB, SPIN, TLA+, UMC, and UPPAAL) on a train supervision problem, taking into account both the user-friendliness of the languages and the performance of the tools.
A WHOIS command line client passes a phrase given as an argument directly to the WHOIS server. Various free open source examples can still be found on sites such as sourceforge.net. However, most modern WHOIS tools implement command line flags or options, such as the -h option to access a specific server host, but default servers are preconfigured.
This list of Internet top-level domains (TLD) contains top-level domains, which are those domains in the DNS root zone of the Domain Name System of the Internet.A list of the top-level domains by the Internet Assigned Numbers Authority (IANA) is maintained at the Root Zone Database. [1]
A Domain Name System blocklist, Domain Name System-based blackhole list, Domain Name System blacklist (DNSBL) or real-time blackhole list (RBL) is a service for operation of mail servers to perform a check via a Domain Name System (DNS) query whether a sending host's IP address is blacklisted for email spam. [1]
The following tables compare general and technical information for a number of notable webmail providers who offer a web interface in English.. The list does not include web hosting providers who may offer email server and/or client software as a part of hosting package, or telecommunication providers (mobile network operators, internet service providers) who may offer mailboxes exclusively to ...
dig is a network administration command-line tool for querying the Domain Name System (DNS).. dig is useful for network troubleshooting and for educational purposes. [2] It can operate based on command line option and flag arguments, or in batch mode by reading requests from an operating system file.