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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.
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 ]
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.
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 ...
nslookup operates in interactive or non-interactive mode. When used interactively by invoking it without arguments or when the first argument is - (minus sign) and the second argument is a hostname or Internet address of a name server, the user issues parameter configurations or requests when presented with the nslookup prompt (>).
Based on (RHEL 9.10 Active Directory: Microsoft: Proprietary: 2000 2024, Nov 1 91 (WS 2025) Integrated on Windows Server Authorized Entities Directory (Æ-DIR) Michael Ströder Apache 2.0: Based on OpenLDAP with additional tools Apache Directory Server: Apache Software Foundation: Apache 2.0: 2006, Oct 2023, Oct 23 2.0.0-AM27 Apple Open ...
An Agent or User Identifier (AUID) can optionally be included. The format is an email address with an optional local-part. The domain must be equal to, or a subdomain of, the signing domain. The semantics of the AUID are intentionally left undefined, and may be used by the signing domain to establish a more fine-grained sphere of responsibility.
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]