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

127.0.0.1	Not listed	127.0.0.12	Does not properly handle 5xx errors
127.0.0.2	Open relay	127.0.0.13	Compromised System - DDoS
127.0.0.3	Open proxy	127.0.0.14	Compromised System - Relay
127.0.0.4	Spam source	127.0.0.15	Compromised System - Proxy
127.0.0.5	Malware domain	127.0.0.16	Compromised System - Autorooter/Scanner
127.0.0.6	Phishing messages	127.0.0.17	Compromised System - Mass mailing virus
127.0.0.7	Spear phishing messages	127.0.0.18	Compromised System - Mass mailing phishing
127.0.0.8	Fraudulent messages, HOAX's	127.0.0.19	Bad reputation
127.0.0.9	Blackmail messages	127.0.0.20	Mass distribution
127.0.0.10	Spam from End User, local PC	127.0.0.126	Other reason
127.0.0.11	Non-RFC Compliant	127.0.0.127	Private record

Operator

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

lastupdate: 2024-10-03 12:14:30 UTC +00:00