RV-SOFT Technology® DNSBL/RBL spam lookup service (dnsbl.rv-soft.info)  

Am I listed ? 
You can check the status of any server by entering its IP address.

RV-SOFT Technology® DNSBL/RBL reporting system

      The RVS-TECH® (DNSBL) blacklist IP addresses which have transmitted reported email to internet users. RVS-TECH® DNSBL, service providers and individual users then use the DNSBL to block and filter unwanted email. The DNSBL is a fast and automatic list of sites sending reported mail, fueled by a number of sources, including automated reports and RVS-TECH® user submissions. The DNSBL is time-based, resulting in quick and automatic delisting of these sites when reports stop.

What is DNSBL ?

      A DNSBL (DNS-based Blackhole List, Block List, or Blacklist; see below) is a list of IP addresses published through the Internet Domain Name Service in a particular format. DNSBLs are most often used to publish the addresses of computers or networks linked to spamming; most mail server software can be configured to reject or flag messages which have been sent from a site listed on one or more such lists. DNSBL is a software mechanism, rather than a specific list or policy. There are dozens of DNSBLs in existence, which use a wide array of standards for listing and delisting of addresses. These may include listing the addresses of zombie computers or other machines being used to send spam, listing the addresses of ISPs who willingly host spammers, or listing addresses which have sent spam to a honeypot system.

RVS-TECH® DNSBL return codes list
  Not listed
  Does not properly handle 5xx errors
  Open relay
  Compromised System - DDoS
  Open proxy
  Compromised System - Relay
  Spam source
  Compromised System - Proxy
  Malware domain
  Compromised System - Autorooter/Scanner
  Phishing messages
  Compromised System - Mass mailing virus
  Spear phishing messages
  Compromised System - Mass mailing phishing
  Fraudulent messages, HOAX's
  Bad reputation
  Blackmail messages
  Mass distribution
  Spam from End User, local PC
  Other reason
  Non-RFC Compliant
  Private record  


ID: 203CZ13S-000137
RV-SOFT Technology®
203 Czech Republic, EU
Home page: www.rv-soft.eu
E-mail: dnsbl@rv-soft.info

  lastupdate:   2024-07-16 08:53:02 UTC +00:00     RV-SOFT Technology®, Radim Axel Vávra ©2013  

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