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 23.20.249.251 location:

Whois IP 23.20.249.251

[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 23.20.249.251"
#
# 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
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
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
#
# 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
#
23.20.249.251 b.barracudacentral.org Not Listed
23.20.249.251 bl.deadbeef.com Not Listed
23.20.249.251 bl.emailbasura.org Not Listed
23.20.249.251 bl.spamcannibal.org Not Listed
23.20.249.251 bl.spamcop.net Not Listed
23.20.249.251 blackholes.five-ten-sg.com Not Listed
23.20.249.251 blacklist.woody.ch Not Listed
23.20.249.251 bogons.cymru.com Not Listed
23.20.249.251 cbl.abuseat.org Not Listed
23.20.249.251 cdl.anti-spam.org.cn Not Listed
23.20.249.251 combined.abuse.ch Not Listed
23.20.249.251 combined.rbl.msrbl.net Not Listed
23.20.249.251 db.wpbl.info Not Listed
23.20.249.251 dnsbl-1.uceprotect.net Not Listed
23.20.249.251 dnsbl-2.uceprotect.net Not Listed
23.20.249.251 dnsbl-3.uceprotect.net Not Listed
23.20.249.251 dnsbl.cyberlogic.net Listed
23.20.249.251 dnsbl.inps.de Not Listed
23.20.249.251 dnsbl.njabl.org Not Listed
23.20.249.251 dnsbl.sorbs.net Not Listed
23.20.249.251 drone.abuse.ch Not Listed
23.20.249.251 drone.abuse.ch Not Listed
23.20.249.251 duinv.aupads.org Not Listed
23.20.249.251 dul.dnsbl.sorbs.net Not Listed
23.20.249.251 dul.ru Not Listed
23.20.249.251 dyna.spamrats.com Not Listed
23.20.249.251 dynip.rothen.com Not Listed
23.20.249.251 http.dnsbl.sorbs.net Not Listed
23.20.249.251 images.rbl.msrbl.net Not Listed
23.20.249.251 ips.backscatterer.org Not Listed
23.20.249.251 ix.dnsbl.manitu.net Not Listed
23.20.249.251 korea.services.net Not Listed
23.20.249.251 misc.dnsbl.sorbs.net Not Listed
23.20.249.251 noptr.spamrats.com Not Listed
23.20.249.251 ohps.dnsbl.net.au Not Listed
23.20.249.251 omrs.dnsbl.net.au Not Listed
23.20.249.251 orvedb.aupads.org Not Listed
23.20.249.251 osps.dnsbl.net.au Not Listed
23.20.249.251 osrs.dnsbl.net.au Not Listed
23.20.249.251 owfs.dnsbl.net.au Not Listed
23.20.249.251 owps.dnsbl.net.au Not Listed
23.20.249.251 pbl.spamhaus.org Not Listed
23.20.249.251 phishing.rbl.msrbl.net Not Listed
23.20.249.251 probes.dnsbl.net.au Not Listed
23.20.249.251 proxy.bl.gweep.ca Not Listed
23.20.249.251 proxy.block.transip.nl Not Listed
23.20.249.251 psbl.surriel.com Not Listed
23.20.249.251 rbl.interserver.net Not Listed
23.20.249.251 rdts.dnsbl.net.au Not Listed
23.20.249.251 relays.bl.gweep.ca Not Listed
23.20.249.251 relays.bl.kundenserver.de Not Listed
23.20.249.251 relays.nether.net Not Listed
23.20.249.251 residential.block.transip.nl Not Listed
23.20.249.251 ricn.dnsbl.net.au Not Listed
23.20.249.251 rmst.dnsbl.net.au Not Listed
23.20.249.251 sbl.spamhaus.org Not Listed
23.20.249.251 short.rbl.jp Not Listed
23.20.249.251 smtp.dnsbl.sorbs.net Not Listed
23.20.249.251 socks.dnsbl.sorbs.net Not Listed
23.20.249.251 spam.abuse.ch Not Listed
23.20.249.251 spam.dnsbl.sorbs.net Not Listed
23.20.249.251 spam.rbl.msrbl.net Not Listed
23.20.249.251 spam.spamrats.com Not Listed
23.20.249.251 spamlist.or.kr Not Listed
23.20.249.251 spamrbl.imp.ch Not Listed
23.20.249.251 t3direct.dnsbl.net.au Not Listed
23.20.249.251 tor.dnsbl.sectoor.de Not Listed
23.20.249.251 torserver.tor.dnsbl.sectoor.de Not Listed
23.20.249.251 ubl.lashback.com Not Listed
23.20.249.251 ubl.unsubscore.com Not Listed
23.20.249.251 virbl.bit.nl Not Listed
23.20.249.251 virus.rbl.jp Not Listed
23.20.249.251 virus.rbl.msrbl.net Not Listed
23.20.249.251 web.dnsbl.sorbs.net Not Listed
23.20.249.251 wormrbl.imp.ch Not Listed
23.20.249.251 xbl.spamhaus.org Not Listed
   
  23.20.249.251, 23.20.249.252, 23.20.249.253, 23.20.249.254, 23.20.249.255, 23.20.250.1,    
   
 

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