The Wayback Machine - https://web.archive.org/all/20061205043239/http://www.dnsstuff.com:80/
Your IP: 64.208.172.175 ASN: 3549 [GBLX (Global Crossing Ltd.)] Near: Phoenix, Arizona United States
Domain Name Tests
(eg. example.com)

DNS Report
See if there are problems with your DNS hosting

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

DNS Timing
Check speed of your DNS hosting
    
Enter domain or host name

WHOIS Lookup
Lists contact info for a domain/IP
  
Enter domain or host name
IP Tests
(eg. 192.168.100.1)

Spam Database Lookup
See if a mail server is in any spam database
  
Enter IP or host name

Reverse DNS lookup
Enter IP/IPv6 (or host name)
  
Enter IP/IPv6 (or host name)

IPWHOIS Lookup
Lists contact info for a domain/IP
  
Enter IP/IPv6 (or host name)  

IP Information
Shows info about an IP, including city and country
  
Enter IP  
Hostname Tests
(e.g. www.example.com)

DNS Lookup
Look up a DNS record (A, MX, NS, SOA, etc.)
    
Enter domain or host name

Traceroute
Traces the route packets take to this host.
  
Enter host name (or IP/IPv6)

Ping
Shows how long it takes for packets to reach a host.
  
Enter host name (or IP/IPv6)  

ISP Cached DNS Lookup
Check cached DNS at major ISPs.
    
Enter domain or host name  


Additional Tests
Abuse Lookup
Finds abuse contact for a domain from abuse.net.
  
Enter domain name

URL DEOBFUSCATOR
De-obfuscates confusing URLs.
  
Enter URL

Free E-mail Lookup
Is an E-mail address a known free one?
  
Enter E-mail address or domain  
Decimal IPs
Converts a decimal IP (e.g. 2130706433) into an IP.
  
Enter decimal IP  

CIDR/Netmask
Calculates CIDR ranges (e.g. 192.168.112.0/24).
  
Enter CIDR range or IP
E-mail Test
Are there problems sending mail to a user or domain?
  
Enter E-mail address or domain

CSE HTML Validator
Finds HTML errors in websites.
  
Enter website  


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Top Abusers
This site gets abused a lot. The worst offender right now is 82.208.40.84 [mail.skvely.cz] ASN=AS15685. For more details, you can go to our Top Abusers page (and even search by ASN or CIDR range).

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