黑名单
针对全球 DNSBL (DNS 黑名单) 信誉数据库扫描任何 IP 地址或主机名。
DNSBL 黑名单审计
在实时黑名单中审计 IP 地址以维护发件人信誉和服务器信任。
USOM 国家威胁情报
直接同步国家网络威胁库识别网络钓鱼设施与恶意节点。
邮件服务器送达率保护
检查出站邮件交换节点以防止邮件拒付与垃圾邮件分类。
自治系统网络信誉
评估 BGP 路由前缀可靠性、ASN 归属数据及子网威胁历史。
DNSBL IP黑名单信誉校验机制
A DNSBL IP Blacklist Checker allows you to query multiple Domain Name System Blacklists (DNSBL) and Real-time Blackhole Lists (RBL) to verify if a specific IP address or hostname is flagged for sending spam, hosting malware, or engaging in malicious activity. These list databases are compiled globally to block harmful traffic, improve server security, and prevent spam emails from reaching inbox folders.
If a server's IP address gets listed on a DNSBL, mail servers worldwide may reject outgoing emails, and web browsers or security firewalls might block user access. Getting blacklisted typically happens due to compromised security credentials, open mail relays, infected devices on the network, or spam activities. Regularly auditing your server's IP reputation helps maintain email deliverability and avoid security warnings.