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If your email address changes, make sure you update your account and whois data for your domains

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"I am over the moon with the email backup system, especially as our main service providers in London seem to have had many service outages this year."
Ian Redgewell - www.gvi.co.uk



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20th Jul .CO general availability phase starts today
14th Jul .EU.COM Centralnic promotion
28th Jun Have you registered a .CN?
22nd May Zimbra suite and storage upgraded
18th May Verisign price increases .com, .net
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These network utilities are provided by Microtech Limited, providers of high quality dns services, domain management, and email solutions.

You are not logged in. You can still use these utilities, but your number of queries per day will be limited. Some of these utilities such as the register a name server utility can only be used by logged in users. If you are not registered, please consider supporting the free use of these utilities by using our other services. You can sign up for a free account here.

*25th Jan. SPF domain test added

Ping Utility
Domain Name or IP Address
Number of Ping Packets to Send
 
DNS Lookup Utility (including zone transfer)

Host address

Server to query
Test if common ports are open (SMTP, POP3, HTTP(s), DNS)
Host to check
 
Check status of name server with NSI (com/net/org only. Domain must be held here and unlocked)
Name server to check
     
WHOIS lookup
Domain to check
 
Register a name server (domain must be held here and unlocked)
Host name
IP
EMail test - Checks MX records and mail servers
Enter your email address
 
Open relay test
Mail server name or ip
IP Geolocation
IP to check
 
SPAM - Check to see if an IP address is on any common blacklists
IP address to check
EMail virus filter test - Sends the harmless eicar text string
Enter your email address
 
Test domain SPF record
Domain name
DNS Server IP
Sending IP

 

Please be patient, some of the results may take several seconds to display. Results will open in a new window..

Some other useful utilities

SPF record generator
Windows command line SPF checker (download)
Email virus test page (sends Eicar test virus)