Domain Tests (e.g. example.com)
| DNS Report | Enter domain name ? |
| Finds lots of common DNS problems. |
| www.DNSreport.com |
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| DNS Timing | Enter domain/host name ? |
| See how long your DNS servers take to respond |
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| WHOIS Lookup | Enter domain name (or IP) ? |
| Lists contact info for a domain/IP (about 150 TLDs!). |
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| Abuse Lookup | Enter domain name ? |
| Finds abuse contact for a domain from abuse.net. |
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| WHOIS Search | Enter partial domain name ? |
| True WHOIS search, using www.whois.sc. |
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Hostname Tests (e.g. www.example.com)
| DNS lookup | Enter domain/host name ? |
| Look up a DNS record (A, MX, NS, SOA, etc.) |
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| Tracert | Enter host name (or IP/IPv6) ? |
| Traces the route packets take to this host. |
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| Ping | Enter host name (or IP/IPv6) ? |
| Shows how long it takes for packets to reach a host. |
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| ISP cached DNS lookup | Enter domain/host name ? |
| Check cached DNS at major ISPs. |
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URL deobfuscator | Enter URL ? |
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De-obfuscates confusing URLs. |
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Free E-mail Lookup | Enter E-mail
address or domain ? |
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Is an E-mail address a known free one? |
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CIDR/Netmask Lookup | Enter CIDR
range (or IP) ? |
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Calculates CIDR ranges (e.g. 192.168.112.0/24). |
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E-mail Test | Enter E-mail address
or domain ? |
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Are there problems sending mail to a user or domain? |
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Decimal IPs | Enter decimal IP ? |
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Converts a decimal IP (e.g. 2130706433) into an IP. |
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IP Tests (e.g. 192.168.100.1)
| Spam database lookup | Enter IP (or host name) ? |
| See if a mail server is listed in 150+ spam databases. |
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| Reverse DNS lookup | Enter IP/IPv6 (or host name) ? |
| See if your IP has a reverse DNS entry. |
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| IPWHOIS Lookup | Enter IP (or domain name) ? |
| Lists contact info for an IP (or domain). |
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| NetGeo IP Lookup | Enter IP ? |
| Shows (outdated?) geographical location of an IP. |
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| IP Routing Lookup | Enter IP ? |
| Shows IP routing info, from RADB. |
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