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

mail.cyso.nl

2 answer records
Retrieved · 2026-09-29T04:23:18+00:00View JSON
ANOERRORAD yes
AAAANOERROR · no answersAD yes
MXNOERRORAD 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
Amail.cyso.nl180085.158.200.96IP WHOIS →
MXmail.cyso.nl180010 mail.cyso.nl.DNS →
Authority records · 1
TypeNameTTL · secondsValueLook up
SOAcyso.nl300ns1.cyso.nl. dnsadmin.cysonet.com. 1790208000 16384 2048 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.