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 23.20.26.1 location:

Whois IP 23.20.26.1

[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
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
#
# Query terms are ambiguous.  The query is assumed to be:
#     "n 23.20.26.1"
#
# 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://rdap.arin.net/registry/ip/23.20.0.0
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:        2018-09-19
Comment:        For details of this service please see
Comment:        http://ec2.amazonaws.com
Ref:            https://rdap.arin.net/registry/entity/AMAZO-4
OrgNOCHandle: AANO1-ARIN
OrgNOCName:   Amazon AWS Network Operations
OrgNOCPhone:  +1-206-266-4064 
OrgNOCEmail:  amzn-noc-contact@amazon.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/AANO1-ARIN
OrgTechHandle: ANO24-ARIN
OrgTechName:   Amazon EC2 Network Operations
OrgTechPhone:  +1-206-266-4064 
OrgTechEmail:  amzn-noc-contact@amazon.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ANO24-ARIN
OrgAbuseHandle: AEA8-ARIN
OrgAbuseName:   Amazon EC2 Abuse
OrgAbusePhone:  +1-206-266-4064 
OrgAbuseEmail:  abuse@amazonaws.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AEA8-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
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
23.20.26.1 b.barracudacentral.org Not Listed
23.20.26.1 bl.deadbeef.com Not Listed
23.20.26.1 bl.emailbasura.org Not Listed
23.20.26.1 bl.spamcannibal.org Not Listed
23.20.26.1 bl.spamcop.net Not Listed
23.20.26.1 blackholes.five-ten-sg.com Not Listed
23.20.26.1 blacklist.woody.ch Not Listed
23.20.26.1 bogons.cymru.com Not Listed
23.20.26.1 cbl.abuseat.org Not Listed
23.20.26.1 cdl.anti-spam.org.cn Not Listed
23.20.26.1 combined.abuse.ch Not Listed
23.20.26.1 combined.rbl.msrbl.net Not Listed
23.20.26.1 db.wpbl.info Not Listed
23.20.26.1 dnsbl-1.uceprotect.net Not Listed
23.20.26.1 dnsbl-2.uceprotect.net Not Listed
23.20.26.1 dnsbl-3.uceprotect.net Not Listed
23.20.26.1 dnsbl.cyberlogic.net Not Listed
23.20.26.1 dnsbl.inps.de Not Listed
23.20.26.1 dnsbl.njabl.org Not Listed
23.20.26.1 dnsbl.sorbs.net Not Listed
23.20.26.1 drone.abuse.ch Not Listed
23.20.26.1 drone.abuse.ch Not Listed
23.20.26.1 duinv.aupads.org Not Listed
23.20.26.1 dul.dnsbl.sorbs.net Not Listed
23.20.26.1 dul.ru Not Listed
23.20.26.1 dyna.spamrats.com Not Listed
23.20.26.1 dynip.rothen.com Not Listed
23.20.26.1 http.dnsbl.sorbs.net Not Listed
23.20.26.1 images.rbl.msrbl.net Not Listed
23.20.26.1 ips.backscatterer.org Not Listed
23.20.26.1 ix.dnsbl.manitu.net Not Listed
23.20.26.1 korea.services.net Not Listed
23.20.26.1 misc.dnsbl.sorbs.net Not Listed
23.20.26.1 noptr.spamrats.com Not Listed
23.20.26.1 ohps.dnsbl.net.au Not Listed
23.20.26.1 omrs.dnsbl.net.au Not Listed
23.20.26.1 orvedb.aupads.org Not Listed
23.20.26.1 osps.dnsbl.net.au Not Listed
23.20.26.1 osrs.dnsbl.net.au Not Listed
23.20.26.1 owfs.dnsbl.net.au Not Listed
23.20.26.1 owps.dnsbl.net.au Not Listed
23.20.26.1 pbl.spamhaus.org Not Listed
23.20.26.1 phishing.rbl.msrbl.net Not Listed
23.20.26.1 probes.dnsbl.net.au Not Listed
23.20.26.1 proxy.bl.gweep.ca Not Listed
23.20.26.1 proxy.block.transip.nl Not Listed
23.20.26.1 psbl.surriel.com Not Listed
23.20.26.1 rbl.interserver.net Not Listed
23.20.26.1 rdts.dnsbl.net.au Not Listed
23.20.26.1 relays.bl.gweep.ca Not Listed
23.20.26.1 relays.bl.kundenserver.de Not Listed
23.20.26.1 relays.nether.net Not Listed
23.20.26.1 residential.block.transip.nl Not Listed
23.20.26.1 ricn.dnsbl.net.au Not Listed
23.20.26.1 rmst.dnsbl.net.au Not Listed
23.20.26.1 sbl.spamhaus.org Not Listed
23.20.26.1 short.rbl.jp Not Listed
23.20.26.1 smtp.dnsbl.sorbs.net Not Listed
23.20.26.1 socks.dnsbl.sorbs.net Not Listed
23.20.26.1 spam.abuse.ch Not Listed
23.20.26.1 spam.dnsbl.sorbs.net Not Listed
23.20.26.1 spam.rbl.msrbl.net Not Listed
23.20.26.1 spam.spamrats.com Not Listed
23.20.26.1 spamlist.or.kr Not Listed
23.20.26.1 spamrbl.imp.ch Not Listed
23.20.26.1 t3direct.dnsbl.net.au Not Listed
23.20.26.1 tor.dnsbl.sectoor.de Not Listed
23.20.26.1 torserver.tor.dnsbl.sectoor.de Not Listed
23.20.26.1 ubl.lashback.com Not Listed
23.20.26.1 ubl.unsubscore.com Not Listed
23.20.26.1 virbl.bit.nl Not Listed
23.20.26.1 virus.rbl.jp Not Listed
23.20.26.1 virus.rbl.msrbl.net Not Listed
23.20.26.1 web.dnsbl.sorbs.net Not Listed
23.20.26.1 wormrbl.imp.ch Not Listed
23.20.26.1 xbl.spamhaus.org Not Listed
   
  23.20.26.1, 23.20.26.2, 23.20.26.3, 23.20.26.4, 23.20.26.5, 23.20.26.6, 23.20.26.7, 23.20.26.8, 23.20.26.9, 23.20.26.10, 23.20.26.11, 23.20.26.12, 23.20.26.13, 23.20.26.14, 23.20.26.15, 23.20.26.16, 23.20.26.17, 23.20.26.18, 23.20.26.19, 23.20.26.20, 23.20.26.21, 23.20.26.22, 23.20.26.23, 23.20.26.24, 23.20.26.25, 23.20.26.26, 23.20.26.27, 23.20.26.28, 23.20.26.29, 23.20.26.30, 23.20.26.31, 23.20.26.32, 23.20.26.33, 23.20.26.34, 23.20.26.35, 23.20.26.36, 23.20.26.37, 23.20.26.38, 23.20.26.39, 23.20.26.40, 23.20.26.41, 23.20.26.42, 23.20.26.43, 23.20.26.44, 23.20.26.45, 23.20.26.46, 23.20.26.47, 23.20.26.48, 23.20.26.49, 23.20.26.50, 23.20.26.51, 23.20.26.52, 23.20.26.53, 23.20.26.54, 23.20.26.55, 23.20.26.56, 23.20.26.57, 23.20.26.58, 23.20.26.59, 23.20.26.60, 23.20.26.61, 23.20.26.62, 23.20.26.63, 23.20.26.64, 23.20.26.65, 23.20.26.66, 23.20.26.67, 23.20.26.68, 23.20.26.69, 23.20.26.70, 23.20.26.71, 23.20.26.72, 23.20.26.73, 23.20.26.74, 23.20.26.75, 23.20.26.76, 23.20.26.77, 23.20.26.78, 23.20.26.79, 23.20.26.80, 23.20.26.81, 23.20.26.82, 23.20.26.83, 23.20.26.84, 23.20.26.85, 23.20.26.86, 23.20.26.87, 23.20.26.88, 23.20.26.89, 23.20.26.90, 23.20.26.91, 23.20.26.92, 23.20.26.93, 23.20.26.94, 23.20.26.95, 23.20.26.96, 23.20.26.97, 23.20.26.98, 23.20.26.99, 23.20.26.100, 23.20.26.101, 23.20.26.102, 23.20.26.103, 23.20.26.104, 23.20.26.105, 23.20.26.106, 23.20.26.107, 23.20.26.108, 23.20.26.109, 23.20.26.110, 23.20.26.111, 23.20.26.112, 23.20.26.113, 23.20.26.114, 23.20.26.115, 23.20.26.116, 23.20.26.117, 23.20.26.118, 23.20.26.119, 23.20.26.120, 23.20.26.121, 23.20.26.122, 23.20.26.123, 23.20.26.124, 23.20.26.125, 23.20.26.126, 23.20.26.127, 23.20.26.128, 23.20.26.129, 23.20.26.130, 23.20.26.131, 23.20.26.132, 23.20.26.133, 23.20.26.134, 23.20.26.135, 23.20.26.136, 23.20.26.137, 23.20.26.138, 23.20.26.139, 23.20.26.140, 23.20.26.141, 23.20.26.142, 23.20.26.143, 23.20.26.144, 23.20.26.145, 23.20.26.146, 23.20.26.147, 23.20.26.148, 23.20.26.149, 23.20.26.150, 23.20.26.151, 23.20.26.152, 23.20.26.153, 23.20.26.154, 23.20.26.155, 23.20.26.156, 23.20.26.157, 23.20.26.158, 23.20.26.159, 23.20.26.160, 23.20.26.161, 23.20.26.162, 23.20.26.163, 23.20.26.164, 23.20.26.165, 23.20.26.166, 23.20.26.167, 23.20.26.168, 23.20.26.169, 23.20.26.170, 23.20.26.171, 23.20.26.172, 23.20.26.173, 23.20.26.174, 23.20.26.175, 23.20.26.176, 23.20.26.177, 23.20.26.178, 23.20.26.179, 23.20.26.180, 23.20.26.181, 23.20.26.182, 23.20.26.183, 23.20.26.184, 23.20.26.185, 23.20.26.186, 23.20.26.187, 23.20.26.188, 23.20.26.189, 23.20.26.190, 23.20.26.191, 23.20.26.192, 23.20.26.193, 23.20.26.194, 23.20.26.195, 23.20.26.196, 23.20.26.197, 23.20.26.198, 23.20.26.199, 23.20.26.200, 23.20.26.201, 23.20.26.202, 23.20.26.203, 23.20.26.204, 23.20.26.205, 23.20.26.206, 23.20.26.207, 23.20.26.208, 23.20.26.209, 23.20.26.210, 23.20.26.211, 23.20.26.212, 23.20.26.213, 23.20.26.214, 23.20.26.215, 23.20.26.216, 23.20.26.217, 23.20.26.218, 23.20.26.219, 23.20.26.220, 23.20.26.221, 23.20.26.222, 23.20.26.223, 23.20.26.224, 23.20.26.225, 23.20.26.226, 23.20.26.227, 23.20.26.228, 23.20.26.229, 23.20.26.230, 23.20.26.231, 23.20.26.232, 23.20.26.233, 23.20.26.234, 23.20.26.235, 23.20.26.236, 23.20.26.237, 23.20.26.238, 23.20.26.239, 23.20.26.240, 23.20.26.241, 23.20.26.242, 23.20.26.243, 23.20.26.244, 23.20.26.245, 23.20.26.246, 23.20.26.247, 23.20.26.248, 23.20.26.249, 23.20.26.250, 23.20.26.251, 23.20.26.252, 23.20.26.253, 23.20.26.254, 23.20.26.255, 23.20.27.1,    
   
 

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