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 simonizauto.com

TypeValueTTLFirst/Last Observed
A 54.175.99.41 14400 2026-08-12 05:55:37
MX mail.simonizauto.com 14400 2026-08-12 05:55:37
NS ns340.websitewelcome.com 21600 2026-08-12 05:55:37
NS ns339.websitewelcome.com 21600 2026-08-12 05:55:37
SOA ns339.websitewelcome.com 21600 2026-08-12 05:55:37
TXT d1iu219mm8i1d161o150g9s642 14400 2026-08-12 05:55:37
TXT v=spf1 ip4:184.173.239.120 ip4:192.185.158.230 a mx include:websitewelcome.com ~all 14400 2026-08-12 05:55:37

Most-Observed Hosts

HostRecordsLast Seen
aaa.com 1026d ago
cisco.com 993d ago
spglobal.com 8220h ago
fedex.com 826d ago
amazon.com 703d ago
kering.com 653d ago
prudential.com 646d ago
asics.com 639h ago
marriott.com 626d ago
udemy.com 606d ago
pb.com 604d ago
ringcentral.com 576d ago
lacoste.com 5418h ago
chanel.com 531d ago
zoominfo.com 521d ago
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