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Host Reputation

Check the reputation of an IP address OR domain against a comprehensive list of blacklists and blocklists.

We currently check more than 150 blacklists.

The blacklists we connect to are most commonly known as either a DNSBL (Domain Name System Blackhole List) or a RBL (Real-time Blackhole List). This API can take up to 10 seconds to run depending on the current response times of the active DNSBLs. Most blacklists we check are geared towards blocking hosts involved with sending email spam, some are more specialized lists. If you are also interested in detecting IP addresses involved in other forms of cybercrime check out the IP blocklist API.

End Point

https://neutrinoapi.com/host-reputation
Test API
API Request
ParameterRequiredTypeDefaultDescription
hostYesstringAn IPv4 address or a domain name.
If you supply a domain name it will be checked against the URI DNSBL list
list-ratingNointeger3Only check lists with this rating or better
API Response
ParameterTypeDescription
hoststringThe IPv4 address or domain name
is-listedbooleanIs this host blacklisted
list-countintegerThe number of DNSBLs the host is listed on
listsarrayAn array of objects for each DNSBL checked, with the following keys:
  • is-listed - true if listed, false if not
  • list-name - the name of the DNSBL
  • list-host - the domain/hostname of the DNSBL
  • list-rating - the list rating [1-3] with 1 being the best rating and 3 the lowest rating
  • txt-record - the TXT record returned for this listing (if listed)
  • response-time - the DNSBL server response time in milliseconds
Daily Limits
Free TierTier 1Tier 2Tier 3
105005,00050,000