MX LOOKUP ( http://mxtoolbox.com )
This useful tool for Mx records,DNS records and More Lookup http://mxtoolbox.com/
All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool. Input a domain name or IP Address or Host Name.Links in the results will guide you to other relevant tools and information. And you’ll have a chronological history of your results.
If you already know exactly what you want, you can force a particular test or lookup. Try some of these examples:
(e.g. “blacklist: 127.0.0.2” will do a blacklist lookup)
Command | Explanation | |
blacklist: | Check IP or host for reputation | |
smtp: | Test mail server SMTP (port 25) | |
mx: | DNS MX records for domain | |
a: | DNS A record IP address for host name | |
spf: | Check SPF records on a domain | |
txt: | Check TXT records on a domain | |
ptr: | DNS PTR record for host name | |
cname: | DNS canonical host name to IP address | |
scan: | Perform a port scan on the host | |
whois: | Get domain registration information | |
arin: | Get IP address block information | |
soa: | Get Start of Authority record for a domain | |
tcp: | Verify an IP Address allows tcp connections | |
http: | Verify a URL allows http connections | |
https: | Verify a URL allows secure http connections | |
ping: | Perform a standard ICMP ping | |
trace: | Perform a standard ICMP trace route | |
dns: | Check your DNS Servers for possible problems New! |
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