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...

"blacklist" and "blocklist". A DNSBL is a software mechanism, rather than a specific list or policy. There are dozens of DNSBLs in existence, which use a wide...

as spam. The SPEWS database has not been updated since August 24, 2006; dnsbl.com lists its status as dead. A successor, the Anonymous Postmaster Early...

harvest attack, or callbacks may be reported as spam and lead to listing on a DNSBL. Several validation techniques may be utilized to validate a user email...

principles of operation are similar to those of DNS-based blackhole lists (DNSBL), except that SPF uses the authority delegation scheme of the Domain Name...

systems that generate email backscatter can end up being listed on various DNSBLs and be in violation of internet service providers' Terms of Service. If...

SURBL (previously stood for Spam URI RBL) is a collection of URI DNSBL lists of Uniform Resource Identifier (URI) hosts, typically web site domains, that...

day. Spamhaus distributes the lists in the form of DNS-based blacklists (DNSBLs) and whitelists (DNSWLs). The lists are offered as a free public service...

Kui, a figure in Chinese folklore. Spam (electronic) CAN-SPAM Act of 2003 DNSBL SpamAssassin Official Report TEIRESIAS: Sequence Pattern Discovery, from...

software such as proxycheck. Groups of IRC and electronic mail operators run DNSBLs publishing lists of the IP addresses of known open proxies, such as AHBL...

rejected by developers in 2013. Fawcett, John (July 3, 2013). "[Dovecot] dnsbl feature for dovecot". dovecot.org. Archived from the original on February...

banned from accessing some IRC networks and channels. Mibbit now supports DNSBL checking via the DroneBL service as a means to help block access from abusive...

hosts file in order to redirect it to a file it is able to control freely. DNSBL, a DNS-based blackhole list Content-control software Ad filtering Internet...

the DNSBLs of your choice and fill them through DNS zone transfers. This reduces the permanent traffic through external DNS lookups. Some DNSBLs also...

to map hostnames to an IP address of the host, but it is also used for DNSBLs, storing subnet masks in RFC 1101, etc. AAAA 28 RFC 3596 IPv6 address record...

database is to obtain the country code for a given IP address through a DNSBL-style lookup from a remote server. Some commercial databases have augmented...

California RB Leipzig, a German football club Real-time Blackhole List or DNSBL, a list of IP addresses most often used to publish addresses linked to spamming...

to delay only known spammers, e.g. by using a blacklist (see Spamming, DNSBL). OpenBSD has integrated this method into their core system since OpenBSD...

RFC 5322, DomainKeys Identified Mail, Sender Policy Framework and DMARC, DNSBLs and greylisting to reject or quarantine suspicious emails. RFC 1123 – Requirements...

(2000–2002). Its DNSBLs were shut down on Jan 1, 2015 and now appear to be blacklisting the entire Internet. The AHBL operated several DNSbl lists and one...

are distributed in a variety of ways. Some use simple mailing lists. A DNSBL is a common distribution method that leverages the DNS itself. Some lists...

Domain Name System "would do great damage to internet security." "What is DNSBL?". WhatIsMyIPAddress. Retrieved 2019-04-18. Hostname to IP Address Lookup...

As of March 1, 2013, NJABL was in the process of being shut down. The DNSBL zones were emptied. After "the Internet" has had some time to remove NJABL...

Internet service providers use Domain Name System-based Blackhole Lists (DNSBL) to disallow mail from open relays. Once a mail server is detected or reported...

Retrieved 25 April 2013. "Karma plugin". GitHub. Retrieved 25 April 2013. "DNSBL plugin". GitHub. Retrieved 25 April 2013. Carraway, Devin. "Earlytalker...

doi:10.1038/nature.2014.16102. S2CID 211836365. Retrieved 2014-10-09. "ScientificSpam DNSBL on Twitter". Twitter. Retrieved 2016-02-24. Official website...

remain cached, thereby creating a service outage on the VPN connection. DNSBL anti-spam solutions rely on DNS; false DNS results therefore interfere with...

users. The SORBS DNSbl project was created in November 2001. It was maintained as a private list until 6 January 2002 when the DNSbl was officially launched...

information and to score mail against several DNS-based Blackhole Lists (DNSBL) before the mail is queued. The final score will determine whether a mail...

There are large number of free and commercial DNS-based Blacklists, or DNSBLs which allow a mail server to quickly look up the IP of an incoming mail...