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

smtp3.arin.net

2 answer records

Cloudflare 1.1.1.1 · HTTPS2026-09-20T22:22:20+00:00View JSON

Registration / WHOIS →

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.

Type	Name	TTL · seconds	Value	Look up
A	smtp3.arin.net	43200	199.43.0.53	IP WHOIS →
AAAA	smtp3.arin.net	43200	2001:500:4:201::53	IP WHOIS →

Authority records · 1

Type	Name	TTL · seconds	Value	Look up
SOA	arin.net	3600	ns1.arin.net. bind.arin.net. 2021115055 10800 600 1209600 3600	—

Queries are sent to Cloudflare 1.1.1.1 over HTTPS. Results reflect its public DNS view and cache; 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.