DNS Tools
Look up any record type, see every record at once, check propagation across public resolvers and nameserver consistency.
DNS Lookup
Look up any record type (A, AAAA, MX, TXT, NS, SOA, CAA, SRV, DNSKEY, DS, HTTPS/SVCB, TLSA and more).
Full DNS Lookup
Every common record type on one page, including DMARC and common SRV records.
A Record Lookup
Find the IPv4 addresses of a host.
AAAA Lookup
Find the IPv6 addresses of a host.
CNAME Lookup
Find canonical name / alias records.
MX Lookup
Find mail servers and their priorities.
NS Lookup
Find the authoritative nameservers.
TXT Lookup
Show TXT records (SPF, verification tokens, etc.).
SOA Lookup
Show the Start of Authority record, explained.
CAA Lookup
Which certificate authorities may issue certificates.
SRV Lookup
Service records such as _sip._tcp or _autodiscover._tcp.
DNSKEY Lookup
Inspect DNSSEC public keys.
DS Lookup
Check the DNSSEC delegation signer at the parent.
HTTPS / SVCB Lookup
Inspect modern HTTPS service binding records (HTTP/3, ECH hints).
Reverse DNS (PTR) Lookup
IP address → host name, with forward confirmation.
DNS Propagation Checker
Compare the answer of 16 public resolvers with the domain's own nameservers.
Nameserver Consistency
Parent vs zone NS records, lame delegation, SOA serial agreement and network diversity.