DNSBL blacklist check of 'ns3.cloudflare.com'

Multiple A-records!

The domain 'ns3.cloudflare.com' has severals A/AAAA-records - and thereby multiple IP's to check.

click to use
162.159.0.33
click to use
162.159.7.226

Limited IPv6 support

Please note, that most DNSBL-lists does not support check of adresses withing the IPv6 space.
Spamhaus ZEN
OkNotListed
Barracuda Central
OkNotListed
spamcop
OkNotListed
Spamrats!
Error
SURBL (multi)
OkNotListed
PSBL (Passive Spam Block List)
OkNotListed
UCEPROTECT lvl 2
OkNotListed
GBUdb
OkNotListed
SORBS
OkNotListed
Junk Email Filter (tm)
OkNotListed
ips.backscatterer.org
OkNotListed

API

You may perform this lookup using the API and get the results as easy-to-parse JSON data.

Read more on the API at https://iamroot.tech/about/api (regarding authentication and rate limits, among other things), or give it a go right away using the 'try it' button.

 
GET
https://iamroot.tech/dnsbl-blacklist-checker/api/?host=ns3.cloudflare.com copy try it
 

Log

062+062
  • Resolved 'ns3.cloudflare.com' to 4 IP's in 61ms.
062+000
  • WRNMultiple A-records!
    Domain 'ns3.cloudflare.com' has several A-records, and thereby multiple IPs to check. IP warning will be used.
062+000
  • WRNLimited IPv6 support
    Please note, that most DNSBL-lists does not support check of adresses withing the IPv6 space.
062+000
  • Init of DNSBL list
062+000
  • Running DNSBL checks
082+000
  • Checking 2400:cb00:2049:1::a29f:21 against SURBL (multi). Not listed (NotExistentDomain). 19ms
095+000
  • Checking 2400:cb00:2049:1::a29f:21 against Barracuda Central. Not listed (NotExistentDomain). 30ms
103+000
  • Checking 2400:cb00:2049:1::a29f:21 against spamcop. Not listed (NotExistentDomain). 40ms
111+000
  • Checking 2400:cb00:2049:1::a29f:21 against PSBL (Passive Spam Block List). Not listed (NotExistentDomain). 46ms
126+063
  • Checking 2400:cb00:2049:1::a29f:21 against Spamhaus ZEN. Not listed (NotExistentDomain). 63ms
162+000
  • Checking 2400:cb00:2049:1::a29f:21 against ips.backscatterer.org. Not listed (NotExistentDomain). 98ms
166+000
  • Checking 2400:cb00:2049:1::a29f:21 against Junk Email Filter (tm). Not listed (NotExistentDomain). 100ms
168+000
  • Checking 2400:cb00:2049:1::a29f:21 against UCEPROTECT lvl 2. Not listed (NotExistentDomain). 105ms
177+000
  • Checking 2400:cb00:2049:1::a29f:21 against SORBS. Not listed (NotExistentDomain). 113ms
267+000
  • Checking 2400:cb00:2049:1::a29f:21 against GBUdb. Not listed (NotExistentDomain). 202ms
368+000
  • Checking 2400:cb00:2049:1::a29f:21 against Spamrats!. Error: ServerFailure. 303ms
368+242
  • Done
368+000
  • 11 DNSBL's checked in 305ms.