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 securityinstrument.com

TypeValueTTLFirst/Last Observed
A 104.26.10.171 300 2026-08-11 18:48:17
A 172.67.71.188 300 2026-08-11 18:48:17
A 104.26.11.171 300 2026-08-11 18:48:17
AAAA 2606:4700:20::681a:aab 300 2026-08-11 18:48:17
AAAA 2606:4700:20::681a:bab 300 2026-08-11 18:48:17
AAAA 2606:4700:20::ac43:47bc 300 2026-08-11 18:48:17
MX d31411b.ess.barracudanetworks.com 300 2026-08-11 18:48:17
MX d31411a.ess.barracudanetworks.com 300 2026-08-11 18:48:17
NS saanvi.ns.cloudflare.com 21600 2026-08-11 18:48:17
NS zeus.ns.cloudflare.com 21600 2026-08-11 18:48:17
SOA saanvi.ns.cloudflare.com 1800 2026-08-11 18:48:17
TXT apple-domain-verification=2dBnKyqcCW475PfX 300 2026-08-11 18:48:17
TXT facebook-domain-verification=1nuxs759cba8chhhiex8d0j1oz0ga 300 2026-08-11 18:48:17
TXT MS=ms42354050 300 2026-08-11 18:48:17
TXT v=spf1 a include:spf.protection.outlook.com ~all 300 2026-08-11 18:48:17
TXT google-site-verification=rBOnOj9ullPNY7WxYRB8x1Lm9j0mcrsj_o2oOS0x2K8 300 2026-08-11 18:48:17

Most-Observed Hosts

HostRecordsLast Seen
aaa.com 1023d ago
fedex.com 823d ago
kering.com 654h ago
prudential.com 643d ago
marriott.com 623d ago
udemy.com 602d ago
pb.com 601d ago
ringcentral.com 572d ago
zoominfo.com 524d ago
appen.com 511d ago
185.220.101.13 505d ago
185.220.101.29 506d ago
185.220.101.25 505d ago
185.220.101.24 504d ago
185.220.101.26 504d ago
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