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 algoseek-updates.com

TypeValueTTLFirst/Last Observed
A 104.21.39.144 300 2026-08-08 07:15:57
A 172.67.170.205 300 2026-08-08 07:15:57
AAAA 2606:4700:3033::ac43:aacd 300 2026-08-08 07:15:57
AAAA 2606:4700:3030::6815:2790 300 2026-08-08 07:15:57
MX smtp.google.com 3600 2026-08-08 07:15:57
NS sue.ns.cloudflare.com 21599 2026-08-08 07:15:57
NS nile.ns.cloudflare.com 21599 2026-08-08 07:15:57
SOA nile.ns.cloudflare.com 1800 2026-08-08 07:15:57
TXT v=spf1 include:_spf.google.com ~all 3600 2026-08-08 07:15:57
TXT google-site-verification=cQGdqeGODd35qFI4rPqvSEfUa9LGa9X3JUcGfPCFY8s 3600 2026-08-08 07:15:57

Most-Observed Hosts

HostRecordsLast Seen
aaa.com 1021d ago
fedex.com 821d ago
prudential.com 641d ago
marriott.com 621d ago
udemy.com 601d ago
ringcentral.com 571d ago
zoominfo.com 523d ago
185.220.101.13 504d ago
185.220.101.29 504d ago
185.220.101.25 503d ago
185.220.101.24 503d ago
185.220.101.26 503d ago
185.220.101.22 503d ago
185.220.101.27 503d ago
185.220.101.23 504d ago
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