THE RECORDS BEHIND THE NAME

DNS lookup.

Explore resource records, mail routing and reverse DNS.

Public IPs automatically use PTR. Common records queries A, AAAA, MX, NS, CNAME, TXT, SOA and CAA separately.

DNS

smtp01.fccn.pt

2 answer records
Retrieved · 2026-09-26T05:40:07+00:00View JSON
ANOERRORAD yes
AAAANOERRORAD yes
MXNOERROR · no answersAD yes
NSNOERROR · no answersAD yes
CNAMENOERROR · no answersAD yes
TXTNOERROR · no answersAD yes
SOANOERROR · no answersAD yes
CAANOERROR · no answersAD yes

AD indicates that the resolver reports DNSSEC-validated data. “AD no” can also mean the zone is unsigned. NXDOMAIN is a DNS result, not a domain-availability check.

TypeNameTTL · secondsValueLook up
Asmtp01.fccn.pt300193.137.198.38IP WHOIS →
AAAAsmtp01.fccn.pt3002001:690:2080:8005::38IP WHOIS →
Authority records · 1
TypeNameTTL · secondsValueLook up
SOAfccn.pt300ns01.fccn.pt. dns-tec.fccn.pt. 2026092301 21600 7200 1209600 300—

Results reflect the public DNS view and recursive caching; they may differ from your local network. TXT strings retain their DNS quoting. Common records does not enumerate every name or record in a zone.