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 ads-api.x.com

TypeValueTTLFirst/Last Observed
A 162.159.140.229 245 2026-08-07 17:08:33
A 172.66.0.227 245 2026-08-07 17:08:33
CNAME wr.x.com 900 2026-08-07 17:08:33
TXT v=spf1 include:_spf.x.com -all 900 2026-08-07 17:08:33

Most-Observed Hosts

HostRecordsLast Seen
aaa.com 1021d ago
fedex.com 821d ago
prudential.com 641d ago
marriott.com 621d ago
udemy.com 6014h ago
ringcentral.com 5721h ago
zoominfo.com 522d ago
185.220.101.7 503d ago
185.220.101.24 502d ago
185.220.101.19 502d ago
185.220.101.26 502d ago
185.220.101.5 503d ago
185.220.101.13 504d ago
185.220.101.22 502d ago
185.220.101.29 504d ago
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