Free tool
DNS lookup
Every DNS record for any domain. A, AAAA, MX, TXT, NS, SOA, CAA. Free, no signup.
What those records mean
A / AAAA
The IP address your domain points to. AAAA = IPv6.
CNAME
An alias — points one name to another.
MX
Tells mail servers which server receives your mail.
TXT
Free text — usually SPF, DKIM, DMARC or domain verification.
NS
Which nameservers manage DNS for this domain.
SOA
Start of Authority — owner and TTL settings.
CAA
Which certificate authorities may issue SSL for this domain.
PTR
Reverse DNS — IP back to hostname. Critical for mail.