FREE DNS Tools

Domain Tests DNS Report Enter domain name  ? Finds lots of common DNS problems. http://www.dnsreport.com/   DNS Timing Enter domain/host name  ? See how long your DNS servers take to respond A AAAA/IPv6 SOA MX CNAME PTR TXT   WHOIS Lookup Enter domain name (or IP)  ? Lists contact info for a domain/IP (about 150 TLDs!).      Abuse Lookup Enter domain name  ? Finds abuse contact for a domain from abuse.net.      WHOIS Search Enter partial domain name  ? True WHOIS search, using http://www.whois.sc/.    IP Tests Spam database lookup Enter IP (or host name)  ? See if a mail server is listed in 150+ spam databases.      Reverse DNS lookup Enter IP/IPv6 (or host name)  ? See if your IP has a reverse DNS entry.      IPWHOIS Lookup Enter IP (or domain name)  ? Lists contact info for an IP (or domain).      NetGeo IP Lookup Enter IP  ? Shows geographical location of an IP.      IP Routing Lookup Enter IP  ? Shows IP routing info, from RADB.    Hostname Tests DNS lookup Enter domain/host name  ? Look up a DNS record (A, MX, NS, SOA, etc.) A AAAA/IPv6 ALL (ANY) SOA NS MX CNAME PTR TXT   Tracert Enter host name (or IP/IPv6)  ? Traces the route packets take to this host.      Ping Enter host name (or IP/IPv6)  ? Shows how long it takes for packets to reach a host.      ISP cached DNS lookup Enter domain/host name  ? Check cached DNS at major ISPs. A AAAA/IPv6 ALL SOA NS MX CNAME PTR TXT Other Tests URL deobfuscator Enter URL  ? De-obfuscates confusing URLs.      Free E-mail Lookup Enter E-mail address or domain  ? Is an E-mail address a known free one?    CIDR/Netmask Lookup Enter CIDR range (or IP)  ? Calculates CIDR ranges (e.g. 192.168.112.0/24).      E-mail Test Enter E-mail address or domain  ? Are there problems sending mail to a user or domain?    Decimal IPs Enter decimal IP  ? Converts a decimal IP (e.g. 2130706433) into an IP.