DNS Blacklist check


PTR record | PTR record of IP address | DNSBL check

DNSBL DNS blacklist check tool.

Use this tool to check if given ip address have a history of sending spam. How it works? If your mail server is blacklisted for example by dnsbl.sorbs.net and ip address of your mail server is 114.37.203.220, it means that there is a A DNS record exist in domain dnsbl.sorbs.net for this ip address. This A record uses reverse order of ip address octets and looks like this 220.203.37.114.dnsbl.sorbs.net. If your mail server is blacklisted, you need contact sorbs.net to remove your ip address from blacklist.



 
 

IP address 23.20.25.143 location:

Whois IP 23.20.25.143

[Querying whois.arin.net]
[whois.arin.net]
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
#
# Query terms are ambiguous.  The query is assumed to be:
#     "n 23.20.25.143"
#
# Use "?" to get help.
#
NetRange:       23.20.0.0 - 23.23.255.255
CIDR:           23.20.0.0/14
NetName:        AMAZON-EC2-USEAST-10
NetHandle:      NET-23-20-0-0-1
Parent:         NET23 (NET-23-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       AS16509
Organization:   Amazon.com, Inc. (AMAZO-4)
RegDate:        2011-09-19
Updated:        2014-09-03
Comment:        The activity you have detected originates from a dynamic hosting environment.
Comment:        For fastest response, please submit abuse reports at http://aws-portal.amazon.com/gp/aws/html-forms-controller/contactus/AWSAbuse
Comment:        For more information regarding EC2 see:
Comment:        http://ec2.amazonaws.com/
Comment:        All reports MUST include:
Comment:        * src IP
Comment:        * dest IP (your IP)
Comment:        * dest port
Comment:        * Accurate date/timestamp and timezone of activity
Comment:        * Intensity/frequency (short log extracts)
Comment:        * Your contact details (phone and email) Without these we will be unable to identify the correct owner of the IP address at that point in time.
Ref:            https://whois.arin.net/rest/net/NET-23-20-0-0-1
OrgName:        Amazon.com, Inc.
OrgId:          AMAZO-4
Address:        Amazon Web Services, Inc.
Address:        P.O. Box 81226
City:           Seattle
StateProv:      WA
PostalCode:     98108-1226
Country:        US
RegDate:        2005-09-29
Updated:        2017-01-28
Comment:        For details of this service please see
Comment:        http://ec2.amazonaws.com/
Ref:            https://whois.arin.net/rest/org/AMAZO-4
OrgAbuseHandle: AEA8-ARIN
OrgAbuseName:   Amazon EC2 Abuse
OrgAbusePhone:  +1-206-266-4064 
OrgAbuseEmail:  abuse@amazonaws.com
OrgAbuseRef:    https://whois.arin.net/rest/poc/AEA8-ARIN
OrgNOCHandle: AANO1-ARIN
OrgNOCName:   Amazon AWS Network Operations
OrgNOCPhone:  +1-206-266-4064 
OrgNOCEmail:  amzn-noc-contact@amazon.com
OrgNOCRef:    https://whois.arin.net/rest/poc/AANO1-ARIN
OrgTechHandle: ANO24-ARIN
OrgTechName:   Amazon EC2 Network Operations
OrgTechPhone:  +1-206-266-4064 
OrgTechEmail:  amzn-noc-contact@amazon.com
OrgTechRef:    https://whois.arin.net/rest/poc/ANO24-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
23.20.25.143 b.barracudacentral.org Not Listed
23.20.25.143 bl.deadbeef.com Not Listed
23.20.25.143 bl.emailbasura.org Not Listed
23.20.25.143 bl.spamcannibal.org Not Listed
23.20.25.143 bl.spamcop.net Not Listed
23.20.25.143 blackholes.five-ten-sg.com Not Listed
23.20.25.143 blacklist.woody.ch Not Listed
23.20.25.143 bogons.cymru.com Not Listed
23.20.25.143 cbl.abuseat.org Not Listed
23.20.25.143 cdl.anti-spam.org.cn Not Listed
23.20.25.143 combined.abuse.ch Not Listed
23.20.25.143 combined.rbl.msrbl.net Not Listed
23.20.25.143 db.wpbl.info Not Listed
23.20.25.143 dnsbl-1.uceprotect.net Not Listed
23.20.25.143 dnsbl-2.uceprotect.net Not Listed
23.20.25.143 dnsbl-3.uceprotect.net Not Listed
23.20.25.143 dnsbl.cyberlogic.net Not Listed
23.20.25.143 dnsbl.inps.de Not Listed
23.20.25.143 dnsbl.njabl.org Not Listed
23.20.25.143 dnsbl.sorbs.net Not Listed
23.20.25.143 drone.abuse.ch Not Listed
23.20.25.143 drone.abuse.ch Not Listed
23.20.25.143 duinv.aupads.org Not Listed
23.20.25.143 dul.dnsbl.sorbs.net Not Listed
23.20.25.143 dul.ru Not Listed
23.20.25.143 dyna.spamrats.com Not Listed
23.20.25.143 dynip.rothen.com Not Listed
23.20.25.143 http.dnsbl.sorbs.net Not Listed
23.20.25.143 images.rbl.msrbl.net Not Listed
23.20.25.143 ips.backscatterer.org Not Listed
23.20.25.143 ix.dnsbl.manitu.net Not Listed
23.20.25.143 korea.services.net Not Listed
23.20.25.143 misc.dnsbl.sorbs.net Not Listed
23.20.25.143 noptr.spamrats.com Not Listed
23.20.25.143 ohps.dnsbl.net.au Not Listed
23.20.25.143 omrs.dnsbl.net.au Not Listed
23.20.25.143 orvedb.aupads.org Not Listed
23.20.25.143 osps.dnsbl.net.au Not Listed
23.20.25.143 osrs.dnsbl.net.au Not Listed
23.20.25.143 owfs.dnsbl.net.au Not Listed
23.20.25.143 owps.dnsbl.net.au Not Listed
23.20.25.143 pbl.spamhaus.org Not Listed
23.20.25.143 phishing.rbl.msrbl.net Not Listed
23.20.25.143 probes.dnsbl.net.au Not Listed
23.20.25.143 proxy.bl.gweep.ca Not Listed
23.20.25.143 proxy.block.transip.nl Not Listed
23.20.25.143 psbl.surriel.com Not Listed
23.20.25.143 rbl.interserver.net Not Listed
23.20.25.143 rdts.dnsbl.net.au Not Listed
23.20.25.143 relays.bl.gweep.ca Not Listed
23.20.25.143 relays.bl.kundenserver.de Not Listed
23.20.25.143 relays.nether.net Not Listed
23.20.25.143 residential.block.transip.nl Not Listed
23.20.25.143 ricn.dnsbl.net.au Not Listed
23.20.25.143 rmst.dnsbl.net.au Not Listed
23.20.25.143 sbl.spamhaus.org Not Listed
23.20.25.143 short.rbl.jp Not Listed
23.20.25.143 smtp.dnsbl.sorbs.net Not Listed
23.20.25.143 socks.dnsbl.sorbs.net Not Listed
23.20.25.143 spam.abuse.ch Not Listed
23.20.25.143 spam.dnsbl.sorbs.net Not Listed
23.20.25.143 spam.rbl.msrbl.net Not Listed
23.20.25.143 spam.spamrats.com Not Listed
23.20.25.143 spamlist.or.kr Not Listed
23.20.25.143 spamrbl.imp.ch Not Listed
23.20.25.143 t3direct.dnsbl.net.au Not Listed
23.20.25.143 tor.dnsbl.sectoor.de Not Listed
23.20.25.143 torserver.tor.dnsbl.sectoor.de Not Listed
23.20.25.143 ubl.lashback.com Not Listed
23.20.25.143 ubl.unsubscore.com Not Listed
23.20.25.143 virbl.bit.nl Not Listed
23.20.25.143 virus.rbl.jp Not Listed
23.20.25.143 virus.rbl.msrbl.net Not Listed
23.20.25.143 web.dnsbl.sorbs.net Not Listed
23.20.25.143 wormrbl.imp.ch Not Listed
23.20.25.143 xbl.spamhaus.org Not Listed
   
  23.20.25.143, 23.20.25.144, 23.20.25.145, 23.20.25.146, 23.20.25.147, 23.20.25.148, 23.20.25.149, 23.20.25.150, 23.20.25.151, 23.20.25.152, 23.20.25.153, 23.20.25.154, 23.20.25.155, 23.20.25.156, 23.20.25.157, 23.20.25.158, 23.20.25.159, 23.20.25.160, 23.20.25.161, 23.20.25.162, 23.20.25.163, 23.20.25.164, 23.20.25.165, 23.20.25.166, 23.20.25.167, 23.20.25.168, 23.20.25.169, 23.20.25.170, 23.20.25.171, 23.20.25.172, 23.20.25.173, 23.20.25.174, 23.20.25.175, 23.20.25.176, 23.20.25.177, 23.20.25.178, 23.20.25.179, 23.20.25.180, 23.20.25.181, 23.20.25.182, 23.20.25.183, 23.20.25.184, 23.20.25.185, 23.20.25.186, 23.20.25.187, 23.20.25.188, 23.20.25.189, 23.20.25.190, 23.20.25.191, 23.20.25.192, 23.20.25.193, 23.20.25.194, 23.20.25.195, 23.20.25.196, 23.20.25.197, 23.20.25.198, 23.20.25.199, 23.20.25.200, 23.20.25.201, 23.20.25.202, 23.20.25.203, 23.20.25.204, 23.20.25.205, 23.20.25.206, 23.20.25.207, 23.20.25.208, 23.20.25.209, 23.20.25.210, 23.20.25.211, 23.20.25.212, 23.20.25.213, 23.20.25.214, 23.20.25.215, 23.20.25.216, 23.20.25.217, 23.20.25.218, 23.20.25.219, 23.20.25.220, 23.20.25.221, 23.20.25.222, 23.20.25.223, 23.20.25.224, 23.20.25.225, 23.20.25.226, 23.20.25.227, 23.20.25.228, 23.20.25.229, 23.20.25.230, 23.20.25.231, 23.20.25.232, 23.20.25.233, 23.20.25.234, 23.20.25.235, 23.20.25.236, 23.20.25.237, 23.20.25.238, 23.20.25.239, 23.20.25.240, 23.20.25.241, 23.20.25.242, 23.20.25.243, 23.20.25.244, 23.20.25.245, 23.20.25.246, 23.20.25.247, 23.20.25.248, 23.20.25.249, 23.20.25.250, 23.20.25.251, 23.20.25.252, 23.20.25.253, 23.20.25.254, 23.20.25.255, 23.20.26.1,    
   
 

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