Passive DNS

Historic DNS Timeline

Shows every DNS record the platform has observed over time (the DNS audit appends, it doesn't overwrite). For deep historic passive DNS beyond your own observations, add a provider like SecurityTrails/WhoisXML (API key).

Observed Records for 37.221.208.71

TypeValueTTLFirst/Last Observed
A 37.221.208.71 3600 2026-08-06 15:09:22
AAAA 2a01:270:9847::1 3600 2026-08-06 15:09:22
MX sp001.m.atw.hu 3600 2026-08-06 15:09:22
MX sp002.m.atw.hu 3600 2026-08-06 15:09:22
MX sp003.m.atw.hu 3600 2026-08-06 15:09:22
MX sp006.m.atw.hu 3600 2026-08-06 15:09:22
MX sp005.m.atw.hu 3600 2026-08-06 15:09:22
MX mail.atw.hu 3600 2026-08-06 15:09:22
MX sp007.m.atw.hu 3600 2026-08-06 15:09:22
MX mail2.atw.hu 3600 2026-08-06 15:09:22
MX sp004.m.atw.hu 3600 2026-08-06 15:09:22
MX sp000.m.atw.hu 3600 2026-08-06 15:09:22
NS ns5.atw.hu 3600 2026-08-06 15:09:22
NS ns1.atw.hu 3600 2026-08-06 15:09:22
PTR torexitspeakfreely.com - 2026-08-06 15:09:22
SOA ns1.atw.hu 3600 2026-08-06 15:09:22
TXT v=spf1 mx include:wh-spf.atw.co.hu ?all 3600 2026-08-06 15:09:22

Passive Reverse — Domains That Resolved to This IP

DomainObserved
37.221.208.71 history 2026-08-06 15:09:22

Most-Observed Hosts

HostRecordsLast Seen
github.com 333h ago
google.com 313h ago
gmail.com 223h ago
torproject.org 215h ago
171.25.193.82 193h ago
creativecommons.org 185h ago
stopforumspam.com 185h ago
www.jpcert.or.jp 185h ago
37.221.208.71 173h ago
cleantalk.org 165h ago
spys.ru 155h ago
emergingthreats.net 153h ago
ASP.NET 143h ago
dshield.org 145h ago
bazan.fhs.cloud 124h ago
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