Whois Domain Lookup Mxtoolbox

Mxtoolbox com registry domain id.

Whois domain lookup mxtoolbox. You can click diagnostics which will connect to the mail server verify reverse dns records perform a simple open relay check and measure response time performance. For all active in use domains it is critical to prevent your domain from expiring. Domain health domain health header analyzer diagnose delivered email mailflow end to end email monitoring subnet calculator monitor an entire subnet email extraction extract emails from any text bulk lookup run bulk lookups.

About arin lookup this test will query the american registry for internet numbers arin database and tell you who an ip address is registered to. The dns lookup is done directly against the domain s authoritative name servers so changes to dns txt records should show up instantly. The spf record check is a diagnostic tool that acts as a sender policy framework spf record lookup and spf validator.

About mx lookup this test will list mx records for a domain in priority order. Generally speaking you will input an ip address and find out what isp or hosting provider uses that block for its. Dns txt records are commonly used for sender policy framework spf records or dkim but may serve other miscellaneous purposes as well.

The dmarc record lookup dmarc check is a diagnostic tool that will parse the dmarc record for the queried domain name display the dmarc record and run a series of diagnostic checks against the record. About whois lookup this test will return whois registration results for a domain name. The mx lookup is done directly against the domain s authoritative name server so changes to mx records should show up instantly.

This test will lookup an spf record for the queried domain name display the spf record if found and run a series of diagnostic tests spf validation against the record highlighting any errors found with the record that could impact email delivery. About dns lookup this test will list dns records for a domain in priority order. About txt check this lookup will list dns text txt records for a domain.

Depending on the registrar you can see various information like who is it registered to when it was registered and when it expires where the dns is hosted and more. By default the dns lookup tool will return an. Domain based message authentication is a.