Blacklist Checker

The blacklist check is a tool that assesses a mail server's IP address by cross-referencing it with more than 100 DNS-based email blacklists, often referred to as Realtime blacklists, DNSBLs, or RBLs. When a mail server's IP address is blacklisted, there is a risk that some of the emails sent from that server may not reach their intended recipients.

These email blacklists serve as a widely used method for minimizing the impact of spam emails.

{"probe_verify_ssl":true,"propagation_share_ttl_days":7,"dkim_checker_btn":{"text":"Check","color":"#5CC9FF","text_color":"#000000"},"propagation_share_enabled":true,"name":"Global DNS","ads":{"one":"","two":"","three":"","four":"","five":"","six":""},"socials":[],"colors":{"primary":"#0155b5","secondary":"#2fc10a","tertiary":"#d2ab3e"},"global":{"css":"body,\n.form-control {\nfont-weight: 500;\nfont-family: 'Dosis';\n}\n.form-control.btn.btn-warning {\n border: none;\n}\n.btn-warning.focus, .btn-warning:focus,\n.btn-warning:not(:disabled):not(.disabled).active:focus, .btn-warning:not(:disabled):not(.disabled):active:focus, .show>.btn-warning.dropdown-toggle:focus {\nbox-shadow: none;\n}\n.servers span.result {\n overflow-wrap: anywhere;\n}","js":"","header":"<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Dosis:wght@200..800&display=swap\" rel=\"stylesheet\">","footer":""},"cookie":{"enable":true,"text":"By using this website you agree to our <a href=\"#\" target=\"_blank\">Cookie Policy<\/a><\/p>"},"font_family":"Dosis","text":{"above_map":"CHECK DNS PROPAGATION<\/p>Whether you have recently changed your DNS records, switched web host, or started a new website - checking whether the DNS records are propagated globally is essential. DNS Checker provides a free DNS propagation check service to check Domain Name System records against a selected list of DNS servers in multiple regions worldwide. Perform a quick DNS propagation lookup for any hostname or domain, and check DNS data collected from all available DNS Servers to confirm that the DNS records are fully propagated.<\/p>","below_map":"DNS Propagation Checker - How to Check DNS Propagation Globally?<\/p>Perform a quick DNS propagation lookup for any domain. Our DNS Propagation Test tool features a comprehensive list of 100+ global DNS servers, which makes global DNS checks more effortless than ever. It is designed to collect, parse, and display all the DNS propagation results on the map, going beyond text-based propagation reports.<\/p> <\/p>It visually represents how your DNS changes are propagated across different DNS servers in different regions globally. This enhances your understanding and makes identifying any regional variations or issues easier. Now monitor and manage your DNS records effectively.<\/p> <\/p>Here\u2019s how you can use our tool for performing a free DNS Propagation Test online:<\/p> <\/p>Enter The Domain or Hostname<\/p> <\/p>Get started by providing the website domain name for which you want to carry out a DNS propagation test.<\/p> <\/p> <\/p> <\/p>Perform Quick DNS Propagation<\/p>Once everything is set, click \u201cSearch\u201d to run our DNS propagation check tool. It will take a moment to display the results, highlighting all server locations with their respective propagation statuses.<\/p> <\/p>Here are a few things to keep in mind while checking DNS propagation status:<\/p> <\/p>\u2714\ufe0f indicates that the DNS records have been propagated.<\/p>\u274c shows that the DNS records haven\u2019t been propagated.<\/p>More clearly - the green tick shows that the requested DNS record is available in the DNS server, and the cross shows that it is not. The green tick may also mean that the DNS record matches the updated value that the user has set in the expected value field. In contrast, the cross may denote that the value does not match the expected or updated value (the user expects it to be).<\/p> <\/p> <\/p> <\/p>Which are the best DNS servers?<\/p>Some of the best Global DNS servers are as follows:<\/p> <\/p>Google Public DNS:<\/p> <\/p>IPv4:<\/p>Primary: 8.8.8.8<\/p>Secondary: 8.8.4.4<\/p>IPv6:<\/p>Primary: 2001:4860:4860::8888<\/p>Secondary: 2001:4860:4860::8844<\/p>OpenDNS:<\/p> <\/p>IPv4:<\/p>Primary: 208.67.222.222<\/p>Secondary: 208.67.220.220<\/p>IPv6:<\/p>Primary: 2620:119:35::35<\/p>Secondary: 2620:119:53::53<\/p>Quad9 (Malware Blocking Enabled):<\/p> <\/p>IPv4:<\/p>Primary: 9.9.9.9<\/p>Secondary: 149.112.112.112<\/p>IPv6:<\/p>Primary: 2620:fe::fe<\/p>Secondary: 2620:fe::9<\/p>DNS.Watch:<\/p> <\/p>IPv4:<\/p>Primary: 84.200.69.80<\/p>Secondary: 84.200.70.40<\/p>IPv6:<\/p>Primary: 2001:1608:10:25::1c04:b12f<\/p>Secondary: 2001:1608:10:25::9249:d69b<\/p>Comodo Secure DNS:<\/p> <\/p>IPv4:<\/p>Primary: 8.26.56.26<\/p>Secondary: 8.20.247.20<\/p>Cloudflare:<\/p> <\/p>IPv4:<\/p>Primary: 1.1.1.1<\/p>Secondary: 1.0.0.1<\/p>IPv6:<\/p>Primary: 2606:4700:4700::1111<\/p>Secondary: 2606:4700:4700::1001<\/p>","footer":"Copyright 2026 Cloud Hive DC \"Global DNS\"<\/p>"},"find_btn":{"text":"Find","color":"#F3DF00","text_color":"#000000"},"whois_btn":{"text":"Lookup","color":"#5CC9FF","text_color":"#000000"},"ip_btn":{"text":"Lookup","color":"#5CC9FF","text_color":"#000000"},"blacklist_btn":{"text":"Check","color":"#5CC9FF","text_color":"#000000"},"dmarc_btn":{"text":"Check","color":"#5CC9FF","text_color":"#000000"},"email_headers_btn":{"text":"Extract","color":"#5CC9FF","text_color":"#000000"},"spf_checker_btn":{"text":"Check","color":"#5CC9FF","text_color":"#000000"},"smtp_tester_btn":{"text":"Test","color":"#5CC9FF","text_color":"#000000"},"default_dns":"A","enable_logs":true,"show_dark_mode":false,"enable_ad_block_detector":false,"map_fail_reloader":true,"timeout":5,"blacklist":{"servers":["dyna.spamrats.com","all.s5h.net","b.barracudacentral.org","spam.spamrats.com","zen.spamhaus.org","dnsbl.dronebl.org","spam.rbl.blockedservers.com","rbl.interserver.net","spamsources.fabel.dk","bl.scientificspam.net","dnsbl.zapbl.net","bl.rbl.scrolloutf1.com","dnsbl.kempt.net","mail-abuse.com","bl.score.senderscore.com","exploit.mail.abusix.zone","new.spam.dnsbl.sorbs.net","block.dnsbl.sorbs.net","bl.spamcop.net","black.mail.abusix.zone","multi.surbl.org","escalations.dnsbl.sorbs.net","zombie.dnsbl.sorbs.net","dnsbl.tornevall.org","bl.nordspam.com","fnrbl.fast.net","talosintelligence.com","truncate.gbudb.net","0spam.fusionzero.com","bl.nosolicitado.org"]},"captcha":"off","recaptcha2":{"site_key":"","secret_key":""},"recaptcha3":{"site_key":"","secret_key":""},"hcaptcha":{"site_key":"","secret_key":""}}