DNSreport

See if there are problems with your DNS hosting.

(Enter zone name, such as "site.com", not an IP).

DNS Lookup

Look up a DNS record (A, MX, NS, SOA, etc.)

Enter domain or host name

Enter DNS server (default is empty)

WHOIS Lookup

Lists contact info for a domain/IP.

Enter domain or host name or IP

ISP Cached DNS Lookup

Check cached DNS at major ISPs.

Enter domain or host name

Spam Database Lookup

See if your mail server is in any spam database.

Enter IP or host name

Reverse DNS lookup

Look up an IP address's name.

Enter IP/IPv6 (or host name)

IPWHOIS Lookup

Lists contact info for a domain/IP.

Enter domain or host name or IP

IP Information

Shows info about an IP, including location.

Enter IP

Decimal IPs

Converts a decimal IP into an IP and back.

Enter IP or decimal IP

Network Diagnostic

Investigates the network connection.

Enter host name (or IP/IPv6)

DNS Timing

Check speed of your DNS hosting.

Enter domain or host name

Traceroute

Traces the route packets take to this host.

Enter host name (or IP/IPv6)

Ping

Shows duration for packets to reach a host.

Enter host name (or IP/IPv6)

CIDR

Calculate CIDR ranges.

Enter IP