[{"content":{"header":"[Tejji.com](/)\n\n[Contact](/contact)\n\nInstall\n\nMenu\n\nApps \u0026 Tools\n\n[Mortgage Calculator](/apps/mortgage-calculator) [Loan EMI Calculator](/apps/loan-emi-calculator) [Compound Interest Calculator](/apps/compound-interest-calculator) [Investment Calculator](/apps/investment-calculator) [Retirement Calculator](/apps/retirement-calculator) [Future Value Calculator](/apps/future-value-calculator) [Net Present Value Calculator](/apps/net-present-value-calculator) [Inflation Calculator](/apps/inflation-calculator) [Salary Calculator](/apps/salary-calculator) [Income Tax Calculator](/apps/tax-calculator) [Sales Tax Calculator](/apps/sales-tax-calculator) [Tip Calculator](/apps/tip-calculator) [Percentage Calculator](/apps/percentage-calculator) [APR to APY](/apps/apr-to-apy) [Money Converter](/apps/money-converter) [Send Money](/apps/send-money) [Invoice Generator](/apps/invoice-generator) [Calculator](/apps/calculator) [BMI Calculator](/apps/bmi-calculator) [Body Fat Calculator](/apps/body-fat-calculator) [Calorie Calculator](/apps/calorie-calculator) [GPA Calculator](/apps/gpa-calculator) [Grade Calculator](/apps/grade-calculator) [JSON Formatter](/apps/json-formatter) [Regex Tester](/apps/regex-tester) [Hash Generator](/apps/hash-generator) [UUID Generator](/apps/uuid-generator) [Unix Timestamp Converter](/apps/timestamp-converter) [Cron Builder](/apps/cron-expression-builder) [Base64 Encoder](/apps/encode-decode-base64) [HTML Encoder](/apps/encode-decode-html) [HTML to Text](/apps/html-to-text) [URL Encoder Decoder](/apps/url-encoder-decoder) [Markdown Editor](/apps/markdown-editor) [Meta Tag Generator](/apps/meta-tag-generator) [QR Code Generator](/apps/qr-code-generator) [Password Generator](/apps/password-generator) [Color Picker](/apps/color-picker) [Character Count](/apps/character-count) [Typo Generator](/apps/typo-generator) [Age Calculator](/apps/age-calculator) [Date Calculator](/apps/date-calculator) [What Day Is It](/apps/what-day-is-it) [Lottery Number Generator](/apps/lottery-number-generator) [Pomodoro Timer](/apps/pomodoro-timer) [Pythagoras Theorem](/apps/pythagoras-theorem) [Roman Numeral Converter](/apps/roman-numeral-converter)\n\ntraffic-rank\n\n[Traffic Rank](/traffic-rank) [Top 1M](/traffic-rank/top-1m-sites) [Top Climbers](/traffic-rank/top-climbers) [Compare](/traffic-rank/compare) [Widget](/traffic-rank/widget) [Category](/traffic-rank/category) [Country](/traffic-rank/country) [Alexa Alt.](/traffic-rank/alexa-replacement)\n\nUnit Converters\n\n[Temperature](/convert/temperature-conversion) [Length](/convert/length-conversion) [Length (Metric)](/convert/length-metric-conversion) [Metric](/convert/metric-conversion) [Bytes](/convert/bytes-conversion) [Number](/convert/number-conversion) [Angle](/convert/angle-conversion) [Astronomical](/convert/astronomical-conversion) [Frequency](/convert/frequency-conversion) [Mileage](/convert/mileage-conversion) [Mass / Weight](/convert/mass-conversion) [Mass (Metric)](/convert/mass-metric-conversion) [Speed](/convert/speed-conversion)\n\nIP Address Tools\n\n[My IP Address](/ip/my-ip-address) [IP Location](/ip/ip-to-location) [Bulk IP Lookup](/ip/bulk-ip-lookup) [IP to URL](/ip/ip-address-to-url) [URL to IP](/ip/url-to-ip-address) [IP to Number](/ip/ip-to-number) [IPv4 to IPv6 Converter](/ip/ipv4-to-ipv6-conversion) [IP Server Variables](/ip/ip-server-variables) [DNS Lookup](/ip/dns-lookup) [WHOIS Lookup](/ip/whois-lookup) [IP Blacklist Check](/ip/ip-blacklist-check) [Subnet Calculator](/ip/subnet-calculator) [IP Search](/ip/search)\n\nTime \u0026 Date\n\n[World Clock](/time-date/world-clock) [Current Time](/time-date/current-time) [Time Conversion](/time-date/time-conversion) [Date Calculator](/apps/date-calculator) [Age Calculator](/apps/age-calculator) [What Day Is It](/apps/what-day-is-it) [Unix Timestamp Converter](/apps/timestamp-converter) [Cron Builder](/apps/cron-expression-builder) [Pomodoro Timer](/apps/pomodoro-timer)\n\nVisa \u0026 Immigration\n\n[H1B Data](/visa/h1b) [H1B Sponsors](/visa/h1b-sponsors) [H1B Salary](/visa/h1b-salary) [H1B Trends](/visa/h1b-trends) [H1B Compare](/visa/h1b-compare)\n\nPostal / ZIP Codes\n\n[ZIP Code Lookup](/zip-codes) [India PIN Finder](/zip-codes/pincode-finder) [US ZIP Codes](/zip-codes/us) [India PIN Codes](/zip-codes/india)\n\nMore\n\n[Chrome Extensions](/browser/chrome/extensions/) [Keyword Tool](/seo/keyword-tool) [Contact](/contact)\n\n[Sign In](https://login.tejji.com/account/logon) [Register](https://login.tejji.com/account/register)\n\n","main":"# IP Blacklist Check\n\nCheck if your IP address is listed on major DNS blacklists that could affect email delivery and website reputation. Critical for mail server administrators, hosting providers, and businesses monitoring their sender reputation.\n\nCheck Blacklists\n\nEnter IPv4 address e.g., 8.8.8.8\n\n## Related IP Tools\n\n[My IP Address](/ip/my-ip-address) [IP Location](/ip/ip-to-location) [IP to URL](/ip/ip-address-to-url) [DNS Lookup](/ip/dns-lookup) [WHOIS Lookup](/ip/whois-lookup)\n\n## Related Products\n\n[🔒 Cybersecurity Books →](https://www.amazon.com/s?k=cybersecurity%20book\u0026tag=tejji-20) [🛡️ Network Firewalls →](https://www.amazon.com/s?k=network%20firewall%20appliance\u0026tag=tejji-20) [📧 Email Security →](https://www.amazon.com/s?k=email%20security%20gateway\u0026tag=tejji-20)\n\n*As an Amazon Associate, tejji.com earns from qualifying purchases.*\n\n## Frequently Asked Questions\n\n### What is a DNS blacklist (DNSBL)?\n\nA DNS blacklist (DNSBL) is a real-time database of IP addresses known to send spam or engage in malicious activity. Mail servers query these lists to decide whether to accept, reject, or flag incoming email from a given IP address.\n\n### Why is my IP address blacklisted?\n\nCommon reasons include sending spam email, hosting malware, being part of a botnet, or sharing an IP with another user who engaged in abusive behavior. Dynamic residential IPs are also commonly listed on some blacklists as a preventive measure.\n\n### How do I remove my IP from a blacklist?\n\nMost blacklists have a delisting process on their website. First, fix the underlying issue (e.g., remove malware, stop spam). Then visit the blacklist's website and submit a delisting request. Some lists automatically delist IPs after a period of clean behavior.\n\n### Does being blacklisted affect web browsing?\n\nDNS blacklists primarily affect email delivery, not web browsing. If your IP is listed, emails sent from it may be rejected or marked as spam by receiving mail servers. Web browsing and other internet activities are generally not impacted by DNSBL listings.\n\n### What is the best free IP blacklist checker in 2025?\n\nThis IP blacklist checker is one of the best free tools available in 2025. It scans your IP against 12 major DNS blacklists including Spamhaus, SpamCop, and Barracuda in a single lookup — completely free, with no sign-up or API key required.\n\n### Is this IP blacklist check tool accurate and safe to use?\n\nYes. This tool performs live DNSBL queries against trusted blacklist providers. Results are fetched in real time and reflect the current listing status of each blacklist. No data is stored or shared with third parties.\n\n📱\n\nQuick Access\n\nInstall this tool on your device for instant access\n\nInstall App\n\n- [My IP Address](/ip/my-ip-address)\n- [IP Location](/ip/ip-to-location)\n- [Bulk IP Lookup](/ip/bulk-ip-lookup)\n- [IP to URL](/ip/ip-address-to-url)\n- [URL to IP](/ip/url-to-ip-address)\n- [IP to Number](/ip/ip-to-number)\n- [IPv4 to IPv6 Converter](/ip/ipv4-to-ipv6-conversion)\n- [IP Server Variables](/ip/ip-server-variables)\n- [DNS Lookup](/ip/dns-lookup)\n- [WHOIS Lookup](/ip/whois-lookup)\n- [IP Blacklist Check](/ip/ip-blacklist-check)\n- [Subnet Calculator](/ip/subnet-calculator)\n- [IP Search](/ip/search)","footer":"\n\n📱 Install Tejji for quick access to this tool Install\n\nTools\n\n- [All Apps](/apps/)\n- [Converters](/convert/)\n- [IP Tools](/ip/)\n- [Calculator](/apps/calculator)\n\nExplore\n\n- [Time \u0026 Date](/time-date/)\n- [Postal Codes](/zip-codes/)\n- [Typing](/typing/)\n- [Extensions](/browser/chrome/extensions/)\n\nCompany\n\n- [About](/home/about)\n- [Contact](/home/contact)\n- [Privacy](/home/privacy)\n- [Terms](/home/terms)\n\nSupport\n\n- [Feedback](/home/contact)\n- [Buy me a coffee](https://buymeacoffee.com/tejji)\n\n© 2026 [Tejji.com](/) — Free online tools for everyone.\n\nWe use cookies for analytics and ads. By clicking \"Accept\", you consent to our use of cookies. [Privacy Policy](/home/privacy)\n\nReject Accept"},"metadata":{"title":"IP Blacklist Check – DNSBL Lookup for Any IP Address | Tejji","description":"Free online IP blacklist checker — verify if your IP address is listed on major DNS blacklists (DNSBL). Check email deliverability. No sign-up required.","imageUrl":"https://tejji.com/page/og-default.png","author":null,"published":null,"modified":null},"rate":{"price":{"priceMicros":0,"currency":""},"license":{"cuid":"","licenseType":"","licensePath":"","permissions":[],"validUntil":""},"error":""}}]